H - 64633
DuPont™ Velpar® DF
herbicide
®
“......... A Growing Partnership With Nature”
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DuPont™
Velpar® DF
herbicide
Dispersible Granules
Active Ingredient
By Weight
Hexazinone
[3-cyclohexyl-6-(dimethylamino)
-1-methyl-1,3,5-triazine-2,4(1H,3H)-dione]
75%
25%
Inert Ingredients
PRECAUTIONARY STATEMENTS
HAZARDS TO HUMANS
TOTAL
100%
AND DOMESTIC ANIMALS
EPA Reg. No. 352-581
DANGER! CAUSES EYE DAMAGE.
Corrosive, causes irreversible eye damage. Harmful if
swallowed. Do not get in eyes or on clothing. Avoid contact
with skin. Wash thoroughly with soap and water after
handling.
PERSONAL PROTECTIVE EQUIPMENT
Applicators and other handlers must wear:
Long-sleeved shirt and long pants.
Shoes plus socks.
KEEP OUT OF REACH OF CHILDREN
DANGER
PELIGRO
Si usted no entiende la etiqueta, busque a alguien para que
se la explique a usted en detalle. (If you do not understand
this label, find someone to explain it to you in detail.)
Protective eyewear.
Discard clothing and other absorbent materials that have
been drenched or heavily contaminated with this product's
concentrate. Do not reuse them. Follow manufacturer's
instructions for cleaning/maintaining PPE. If no such
instructions for washables, use detergent and hot water.
Keep and wash PPE separately from other laundry.
FIRST AID
IF IN EYES: Hold eye open and rinse slowly and gently
with water for 15-20 minutes. Remove contact lenses, if
present, after the first 5 minutes, then continue rinsing eye.
Call a poison control center or doctor for treatment advice.
USER SAFETY RECOMMENDATIONS
USERS SHOULD: Wash hands before eating, drinking,
chewing gum, using tobacco or using the toilet.
IF ON SKIN OR CLOTHING: Take off contaminated
clothing. Rinse skin immediately with plenty of water for
15-20 minutes. Call a poison control center or doctor for
treatment advice.
IF SWALLOWED: Call a poison control center or doctor
immediately for treatment advice. Have person sip a glass
of water if able to swallow. Do not induce vomiting unless
told to do so by a poison control center or doctor. Do not
give anything by mouth to an unconscious person.
NOTE TO PHYSICIAN: Probable mucosal damage may
contraindicate the use of gastric lavage.
ENVIRONMENTAL HAZARDS
Do not apply directly to water, or to areas where surface
water is present or to intertidal areas below the mean high
water mark. Do not contaminate water when disposing of
equipment washwaters.
The active ingredient, hexazinone, in this product is
known to leach through soil into ground water under
certain conditions as a result of agricultural use. Use of
this chemical in areas where soils are permeable, partic-
ularly where the water table is shallow, may result in
ground-water contamination.
Have the product container or label with you when calling
a poison control center or doctor, or going for treatment.
You may also contact 1-800-441-3637 for medical
emergencies involving this product.
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APPLICATION INFORMATION
GENERAL INFORMATION
VELPAR® DF may be applied by ground equipment and,
where permitted, aerial equipment. Use rates, minimum spray
gallonage, and other application information are described for
various uses.
DuPont™ VELPAR® DF herbicide is a water-dispersible
granule that is mixed in water and applied as a spray for
weed control in certain crops, Christmas trees, forestry site
preparation and release areas, and industrial areas. It may
also be applied as a basal soil treatment for brush control in
reforestation areas, rangeland, pastures and noncrop areas.
Dispose of the equipment washwater by applying it to a use-
site listed on this label or in accordance with directions given
in the “Storage and Disposal” section of this label.
VELPAR® DF is an effective general herbicide providing
both contact and residual control of many annual and
biennial weeds and woody plants. It is also effective for
control of most perennial weeds.
MIXING
Before spraying, calibrate equipment to determine the quantity
of water necessary to uniformly and thoroughly cover the
vegetation and soil in a measured area to be treated. Make sure
the volume of water is sufficient to completely suspend the
VELPAR® DF.
VELPAR® DF is noncorrosive to equipment.
Caution should be exercised when applying VELPAR® DF
near desirable trees or shrubs as they can absorb VELPAR®
DF through roots extending in to treated areas.
RESISTANCE
Refer to supplemental labeling entitled “VELPAR® DF
Herbicide Chemigation Use on Alfalfa” for use directions
for chemigation. Do not apply this product through any
irrigation system unless the supplemental labeling on
chemigation is followed.
When herbicides that affect the same biological site of
action are used repeatedly over several years to control the
same weed species in the same field, naturally-occurring
resistant biotypes may survive a correctly applied herbicide
treatment, propagate, and become dominant in that field.
Adequate control of these resistant weed biotypes cannot be
expected. If weed control is unsatisfactory, it may be
necessary to retreat the problem area using a product
affecting a different site of action.
ENVIRONMENTAL CONDITIONS
AND BIOLOGICAL ACTIVITY
VELPAR® DF is absorbed through the roots and foliage.
Moisture is required to activate VELPAR® DF in the soil.
Best results are obtained when the soil is moist at the time
of application and 1/4–1/2 inches of rainfall occurs within 2
weeks after application.
To better manage herbicide resistance through delaying the
proliferation and possible dominance of herbicide resistant
weed biotypes, it may be necessary to change cultural
practices within and between crop seasons such as using a
combination of tillage, retreatment, tank-mix partners
and/or sequential herbicide applications that have a different
site of action. Weed escapes that are allowed to go to seed
will promote the spread of resistant biotypes.
For best results, apply VELPAR® DF preemergence or
postemergence when weeds are less than 2 inches in height or
diameter. Herbicidal activity is most effective under conditions
of high temperature (above 80 °F), high humidity, and good soil
moisture. Herbicidal activity may be reduced when vegetation is
dormant, semi-dormant, or under stress(e.g. temperature or
moisture).
It is advisable to keep accurate records of pesticides applied
to individual fields to help obtain information on the spread
and dispersal of resistant biotypes. Consult your
agricultural dealer, consultant, applicator, and/or appropriate
state agricultural extension service representative for
specific alternative cultural practices or herbicide
recommendations available in your area.
Herbicidal activity will usually appear within 2 weeks after
application to susceptible plants under warm, humid conditions;
while 4–6 weeks may be required when weather is cool or dry,
or when susceptible plants are under stress. If rainfall after
application is inadequate to activate VELPAR® DF in the soil,
plants may recover from contact effects and continue to grow.
INTEGRATED PEST MANAGEMENT
On woody plants, symptoms usually appear within 3–6 weeks
after sufficient rainfall has carried the herbicide into the root
zone during periods of active growth. Defoliation and
subsequent refoliation may occur, but susceptible plants are
killed.
This product may be used as part of an Integrated Pest
Management (IPM) program that can include biological,
cultural, and genetic practices aimed at preventing
economic pest damage. IPM principles and practices
include field scouting or other detection methods, correct
target pest identification, population monitoring, and
treating when target pest populations reach locally
determined action thresholds. Consult your state cooperative
extension service, professional consultants or other qualified
authorities to determine appropriate action treatment
threshold levels for treating specific pest/crop systems in
your area.
The degree and duration of control will depend on the following:
• Use rate
• Weed spectrum and size at time of application
• Environmental conditions at and following treatment
Where a rate range is shown, use the higher levels of the dosage
range on hard-to-control species, fine-textured soils, or soils
containing greater than 5% organic matter or carbon. Use the
lower levels of the dosage range on coarse-textured soils and/or
on soils low in organic matter. Refer to specific uses for rate
ranges.
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APPLICATION TIMING`
DIRECTIONS FOR USE
It is a violation of federal law to use this product in a manner
inconsistent with its labeling.
NON-DORMANT AND SEMI-DORMANT VARIETIES
In the following states, make a single application during
winter months when alfalfa plants are in the least active
stage of growth:
DuPont™ VELPAR® DF should be used only in accordance
with recommendations on this label, or in supplemental DuPont
labeling.
Arizona
California
Colorado
Idaho
Montana
Nebraska
Nevada
New Mexico Texas
North Dakota Utah
Oklahoma
Oregon
South Dakota
Washington
Wyoming
Do not apply this product in a way that will contact workers or
other persons, either directly or through drift. Only protected
handlers may be in the area during application. For any
requirements specific to your state or tribe, consult the agency
responsible for pesticide regulation.
Kansas
In the following states, make a single application in the
spring before new growth exceeds 2 inches in height or to
stubble after cutting following hay removal and before
regrowth exceeds 2 inches in height:
The correct use rates by crop and geographical area,
specified on the label, and proper mixing/loading site
considerations and application procedures must be followed
to minimize potential for hexazinone movement into ground
water. Users are encouraged to consult with their state
Department of Agriculture, Extension Service, or other
pesticide lead agency for information regarding soil
permeability, aquifer vulnerability, and best management
practices for their area.
Connecticut
Delaware
Illinois
Maine
Maryland
Massachusetts New York
New Hampshire Vermont
New Jersey
Virginia
West Virginia
Wisconsin
Indiana
Iowa
Kentucky
Michigan
Minnesota
Missouri
Ohio
Pennsylvania
Rhode Island
AGRICULTURAL USES
Severe alfalfa injury may result following application after
cutting if either the regrowth is more than 2 inches high,
significant stubble is left after alfalfa cutting, or the air
temperature is above 90 °F.
AGRICULTURAL USE REQUIREMENTS
Use this product only in accordance with its labeling and
with the Worker Protection Standard, 40 CFR part 170.
This Standard contains requirements for the protection of
agricultural workers on farms, forests, nurseries, and
greenhouses, and handlers of agricultural pesticides. It
contains requirements for training, decontamination, notifi-
cation, and emergency assistance. It also contains specific
instructions and exceptions pertaining to the statements on
this label about personal protective equipment (PPE) and
restricted-entry interval. The requirements in this box only
apply to uses of this product that are covered by the Worker
Protection Standard.
Do not apply this product in a way that will contact workers
or other persons, either directly or through drift. Only
protected handlers may be in the area during application.
Do not enter or allow worker entry into treated areas during
the restricted entry interval(REI) of 24 hours.
DORMANT VARIETIES
Make a single application after alfalfa becomes dormant and
before new growth begins in the spring. Where weeds have
emerged, use a surfactant.
USE RATES
Use higher rates on hard-to-control species, fine textured
soils, soils containing greater than 5% organic matter, or
under adverse environmental conditions such as temperature
extremes or when weeds are stressed due to low rainfall.
Select the appropriate dose for soil texture and organic
matter content as follows:
VELPAR® DF (Lb/Acre)*
Percent Organic Matter in Soil
PPE required for early entry to treated areas that is
permitted under the Worker Protection Standard and that
involves contact with anything that has been treated, such as
plants, soil, or water, is :
Soils
<1%
1–5%
>5%
Coarse Texture
Loamy sand,
sandy loam
Coveralls
2/3 - 1
2/3 - 1
1 1/3 -2
Chemical resistant gloves made of any waterproof
material
Shoes plus socks
Medium Texture
Loam, silt loam
silt, clay loam,
sandy clay loam
2/3 - 1
1 - 2
1 1/3 - 2
Protective eyewear
FineTexture
Silty clay loam,
sandy clay,
silty clay, clay
ALFALFA
1 - 2
1 - 2
1 1/3 - 2
* Do not exceed 1 lb per acre on alfalfa less than one year
old.
VELPAR® DF is recommended for control of certain weeds
in established alfalfa grown for hay. Do not use on alfalfa
grown for seed in any state except California.
WEEDS CONTROLLED
VELPAR® DF, when applied preemergence or early
postemergence at the following rates is recommended for
the control or suppression of the following species:
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1/3 - 2/3 Lb/Acre
Tansy-mustard
Flood Irrigated Alfalfa
• When replanting alfalfa to other crops where flood
irrigation was used, follow the guidelines listed above plus
the information below:
2/3 - 1 1/3 Lb/Acre
In arid climates (10 inches of rainfall or less per year) or
areas where drought conditions have prevailed for one or
more years, a field bioassay should be completed prior to
planting any desired crop. The results of this bioassay may
require the rotation intervals listed above to be extended.
Annual bluegrass
Blue mustard
Jim Hill mustard
London rocket
Miners lettuce
Salsify
Seedling orchardgrass
Shepherd’s-purse
Spurry
Tansy-mustard
Wild radish
Yellow rocket
Cheatgrass (downy brome)
Common chickweed
Common groundsel
Dogfennel (mayweed)
English catchfly
Fiddleneck (tarweed)
Field pennycress
Filaree
A successful bioassay means growing to maturity a test
strip of the crop(s) intended for production. The test crop(s)
strip should cross the entire field including knolls, low
areas, and areas where any berms were located.
Flixweed
USE PRECAUTIONS - ALFALFA ONLY
Best results are obtained when 1/2–1 inches of rainfall or
sprinkler irrigation occurs within two weeks after application,
when soil is moist at time of application, and when weeds
have not germinated or are less than 2 inches in height or
diameter. Heavy rainfall or excessive irrigation after
application may result in crop injury or poor performance of
the herbicide.
1 1/3 - 2 Lb/Acre
Common dandelion*
(i.e. Canada bluegrass)
False dandelion
Foxtail (Setaria spp)*
Mexican tea*
White cockle*
Perennial bluegrass*
(spring only)
Prickly lettuce*
Ryegrass, annual
Quackgrass*
Seedling alfalfa*
• Do not apply to snow-covered or frozen ground.
* Partial control
• Since the effect of VELPAR® DF on alfalfa varies with soil
conditions, uniformity of application, and environmental
conditions, growers should limit their first use to small
areas.
DuPont™ VELPAR® DF, when applied in late spring or
after cutting at the following rates, will control these
species:
• If abnormally dry conditions exist following application,
restrict the first irrigation to no more than 1/2 acre inch of
water.
2/3 - 2 Lb/Acre
Common lambsquarters
Crabgrass
Fleabane
Foxtail (Setaria spp.)
Jimsonweed
• Temporary yellowing of alfalfa may occur following
VELPAR® DF applications.
Redroot pigweed
• Treat only stands of alfalfa established for one year or for
one growing season (except in California), provided the
following conditions are met:
SPRAY EQUIPMENT
Apply VELPAR® DF using a fixed boom power sprayer or
aerial equipment.
–The alfalfa root system must be well established.
–The crop must be healthy, vigorous and not under stress
from adverse weather conditions, insect or disease
damage.
MIXING INSTRUCTIONS
Add VELPAR® DF to a water-filled tank and mix it
thoroughly. Apply it in at least 20 gal of water per acre by
ground or 5 to 10 gal of water per acre by air.
–The alfalfa crop must be free of excessive winter injury
from freezing and thawing.
REPLANTING (FOLLOWING ALFALFA)
• In California, fall planted alfalfa may be treated in the
following winter months with VELPAR DF at 1/3 to 2/3 lb
per acre to suppress or control Black Mustard, Common
groundsel, London rocket, Shepard’s-purse, Common
chickweed, Fiddleneck or Filaree, provided:
• Do not replant treated areas to any crop except corn, root
crops or sugarcane within two years after treatment, as crop
injury may result.
• Corn may be planted 12 months after the last treatment in
areas of moderate to high rainfall (greater than 20 inches),
provided the use rate did not exceed 1 lb per acre.
- alfalfa root growth exceeds 6 inches in length
- vegetative top growth of alfalfa has lateral development of
secondary growth
• Root crops such as potatoes, sugarbeets, radish and carrots
may be planted 12 months after last treatment, provided the
use rate does not exceed 2/3 lb per acre. Sites with use
rates higher than 2/3 lb per acre should not be replanted to
any root crop within 2 years after application of VELPAR®
DF, or unacceptable crop injury may result.
- alfalfa is healthy and vigorous, not growing under stress
from insect, disease, winter injury or other types of stress.
Injury may result to alfalfa plants that fail to meet these
growth criterion listed above.
• Do not use VELPAR® DF on seedling alfalfa, alfalfa-grass
mixtures, or other mixed stands as injury may result to the
seedling alfalfa or companion crop.
• Sugarcane may be planted any time following treatment.
• In California, do not replant seed alfalfa areas to any crop
within two years after treatment, as crop injury may result.
• At elevations above 4,000 feet, do not use VELPAR® DF
on alfalfa that has been established with a cover or nurse
crop until the alfalfa has gone through two summer growing
seasons.
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• Do not use DuPont™ VELPAR® DF in low desert valleys
in California or Arizona.
below to determine the amount of VELPAR® DF that should
be impregnated on a ton of dry bulk fertilizer, based on the
amount of fertilizer to be distributed in one acre.
• Do not add a surfactant to VELPAR® DF when treating
nondormant alfalfa.
Rate Chart for Impregnating Fertilizer with VELPAR® DF
• Do not use VELPAR® DF on gravelly or rocky soils,
exposed subsoils, hardpan, sand, poorly drained soil, or
alkali soils.
Fertilizer
Rate/Acre
250 lbs
VELPAR® DF Rate Per Acre
2/3 Lbs
1 Lbs
1 1/3 Lbs
2 Lbs
5.3 lbs/ton
4.4 lbs/ton
3.7 lbs/ton
3.3 lbs/ton
2.9 lbs/ton
8.0 lbs/ton
6.6 lbs/ton
5.7 lbs/ton
5.0 lbs/ton
4.4 lbs/ton
10.6 lbs/ton 16.0 lbs/ton
• Crop injury, including mortality, may result in fields with
restricted root growth due to nonuniform soil profiles such
as gravel bases and clay lenses.
300 lbs
8.8 lbs/ton
7.5 lbs/ton
6.7 lbs/ton
5.9 lbs/ton
13.3 lbs/ton
11.4 lbs/ton
10.0 lbs/ton
8.9 lbs/ton
350 lbs
400 lbs
• Do not graze or feed forage or hay to livestock within 30
days following application.
450 lbs
For rates other than those listed, use the following formula to
calculate the amounts of VELPAR® DF to be impregnated per
ton of dry fertilizer.
SEED ALFALFA (CALIFORNIA ONLY)
- ADDITIONAL USE PRECAUTIONS
• Do not use VELPAR® DF on fields with sandy loam or
loamy sand soils having less than 1% organic matter.
Lbs
Lbs
2000
VELPAR® DF X
Per acre
= VELPAR® DF Per
Ton of Fertilizer
• Do not exceed 2/3 lb per acre on fields with sandy loam or
loamy sand soils having 1–2% organic matter.
Lbs Fertilizer Per Acre
APPLICATION
• Do not exceed 2/3 lb per acre on seed alfalfa that has been
established for only one growing season.
Uniform application of VELPAR® DF-impregnated dry
fertilizer is essential for satisfactory weed control. Accurate
calibration of the application equipment is essential for
uniform distribution to the surface. The recommended
method of application is to apply 1/2 the recommended rate
and overlap 50%. This results in the best distribution
pattern.
ALFALFA - IMPREGNATION ON
DRY BULK FERTILIZER (EXCEPT
CALIFORNIA AND ARIZONA)
Dry bulk fertilizer may be impregnated or coated with
VELPAR® DF for application to established alfalfa. All
recommendations, cautions and special precautions on this label
must be followed along with state regulations relating to dry
bulk fertilizer blending, impregnating and labeling.
CHRISTMAS TREES
VELPAR® DF is recommended for control of certain weeds
where the following species are grown:
If fertilizer materials are excessively dusty, use a suitable
additive to reduce dust prior to impregnation, as dusty fertilizer
will result in poor distribution during application. The dry
fertilizer must be properly impregnated and uniformly applied to
the alfalfa to avoid crop injury and/or poor weed control.
Austrian pine
Douglas fir
Noble fir
Ponderosa pine
Scotch pine
Sitka spruce
(western US only)
Grand fir
To impregnate the fertilizer, use a system consisting of a
conveyor or closed drum used to blend dry bulk fertilizer. Any
commonly used fertilizer can be impregnated with VELPAR®
DF, except potassium nitrate or sodium nitrate. Do not use
VELPAR® DF on limestone.
Loblolly pine
Do not use VELPAR® DF on Christmas trees in the following
states:
Alabama
Arkansas
Louisiana
Maine
New Jersey
New York
Texas
Vermont
Use a minimum of 250 lb dry bulk fertilizer per acre and up to
a maximum of 450 lb per acre. To impregnate or coat the dry
bulk fertilizer with VELPAR® DF, mix 2 2/3 pounds of
VELPAR® DF with sufficient water to make one gallon of
suspension and thoroughly agitate. Direct the nozzles to
deliver a fine spray of this suspension toward the fertilizer for
thorough coverage while avoiding spray contact with mixing
equipment. Uniform impregnation of VELPAR® DF to dry
bulk fertilizer will vary, and if the absorptivity is not
adequate, the use of an absorptive powder may be required to
produce a dry, free-flowing mixture. “Microcel E” is the
recommended absorbent powder. When another herbicide is
used with VELPAR® DF, mix and impregnate the fertilizer
immediately.
Connecticut Maryland
North Carolina Virginia
Pennsylvania West Virginia
Rhode Island
Delaware
Georgia
Florida
Massachusetts
Mississippi
New Hampshire South Carolina
APPLICATION TIMING
EASTERN US
Apply VELPAR® DF as a broadcast spray in the spring prior to
bud break. If application is made after bud break, use directional
spray equipment to prevent contact with foliage.
WESTERN US
Areas of greater than 20 inches annual rainfall - VELPAR® DF
may be applied as a broadcast spray in the spring prior to conifer
bud break. If application is made after bud break, use directional
spray equipment to prevent contact with foliage.
Apply impregnated fertilizer as soon as possible after impreg-
nation for optimum performance.
Select the rate of VELPAR® DF to apply per acre from the
appropriate section of this label. Then refer to the rate chart
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Areas of less than 20 inches annual rainfall - DuPont™
VELPAR® DF may be applied in the fall before the soil freezes
or in the spring after snow cover melts, but before conifer bud
break occurs.
USE PRECAUTIONS
- CHRISTMAS TREES
• Do not use VELPAR® DF in nurseries, seed beds, or
ornamental plantings.
USE RATES
• Do not add a surfactant in applications over the top of
conifers.
The rates listed below are for broadcast application. For band
application, use proportionately less; for example, use 1/2 of
the broadcast rates when treating a 3-foot band where row
spacing is 6 feet.
• Weed control results from spring applications depend on
sufficient moisture to activate VELPAR® DF.
• Do not cut treated vegetation for forage or hay nor graze
domestic animals on treated areas for 60 days following
application.
Do not use more than one application of VELPAR® DF per
year.
VELPAR® DF (Lb/Acre)
First Year Plantings Established Trees
• Poor weed and brush control may result from the following:
–Heavy duff or slash present at the time of application.
–Use on poorly drained sites.
Soils
Coarse Texture
Loamy sand,
sandy loam
(50-85% sand)
–Applications made when soil is saturated with water and
rain is imminent within 24 hours.
1 1/3
1 1/3 - 1 2/3
1 2/3 - 2 1/3
Medium Texture
–Applications to soils high in organic matter (greater
than 5%).
Loam, silt loam
silt, clay loam,
sandy clay loam
1 1/3 - 1 2/3
• Injury may occur when VELPAR® DF is used on the
following:
Fine Texture
Silty clay loam,
clay loam,
–Trees that show poor vigor, insect damage, disease, winter
injury, or other stress conditions.
sandy clay,
–Any soil containing less than 1% organic matter.
silty clay, clay
1 2/3 - 2
2 1/3 - 2 2/3
–Loamy sand or sandy loam with less than 2% organic
matter (except Jeffrey Pine and Ponderosa Pine).
First year plantings - Transplant stock that is 2 years old or
more (1 year old for loblolly pine). Apply VELPAR® DF
only if rainfall has settled the soil around the base and root
systems of the transplants.
–Foliage after bud break.
–Gravelly or rocky soils, exposed subsoils, clay knobs,
sand, or sandy soil with 85% or more sand.
Established trees - Trees that have been planted in the
plantation for 1 year or more.
PINEAPPLE
WEEDS CONTROLLED
VELPAR® DF is recommended for the control or
suppression of the following species:
VELPAR® DF is recommended for control of certain weeds
in pineapple.
APPLICATION TIMING
- USE RATES - MIXING INSTRUCTIONS
Annual bluegrass
Barnyardgrass
Bentgrass
Fleabane
Foxtail
Goldenrod*
Heath aster*
Horseweed*
Orchardgrass*
Oxeye daisy
Pennsylvania smartweed
Ryegrass*
Use a sprayer properly calibrated to a constant speed and
rate of delivery.
Bromegrass
Catsear* (false dandelion)
Common groundsel
Common ragweed
Crabgrass*
Mix the proper amount of VELPAR® DF in water. Add a
surfactant at 0.25% by volume of water.
Curly dock*
• Intercrop period - Apply VELPAR® DF as a broadcast
spray in 100–400 gal of water per acre at the rate of
1/3 - 2 1/3 lb per acre. For aerial application, use at least
10 gal water per acre.
Dandelion*
Velvetgrass
Wild carrot*
Fescue*
Fireweed (willowweed)*
* Partial control
• Post mulch, preplant - Apply VELPAR® DF as a
broadcast spray in 100–400 gal of water per acre at the
rate of 1/3 - 2 1/3 lb per acre.
SPRAY EQUIPMENT
VELPAR® DF may be applied by ground equipment or by air.
• Post plant, before planted cuttings start active growth -
Apply VELPAR® DF as a broadcast spray in 100–400 gal
of water per acre at the rate of 1/3 - 2 1/3 lb per acre.
MIXING INSTRUCTIONS
Select a spray volume that will ensure a thorough and uniform
application.
A post-plant application should be made after planted
cuttings start to grow only when weed growth has escaped
control by other herbicide applications.
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• Prior to forcing first ratoon - Apply DuPont™ VELPAR®
DF as a broadcast spray in 100–400 gal of water per acre
at the rate of 1/3 - 2 1/3 lb per acre.
VELPAR® DF (Lb/Acre)
(Plus surfactant
Soils
0.25% by volume)
• Directed postemergence (pineapple and weeds) inter-
space application - Apply VELPAR® DF as a directed
spray 3–10 months after planting in 50–200 gal of water
per acre (broadcast basis) at the rate of 1/3 - 2 1/3 lb per
acre (broadcast basis) using a stroller boom or knapsack.
Coarse Texture
Sand, loamy sand, sandy loam
Medium Texture
Loam, silt loam, silty clay loam
Fine Texture
2/3 - 1 2/10
2/3 - 2 1/3
• Directed spot treatments for perennial grasses before
floral induction - Spray perennial grasses postemergence
to wet (50–200 gals per acre depending on size) with
1 1/3 - 2 1/3 lb per 100 gal of water as a spot treatment.
Clay, gray hydromorphic clay
2 1/3 - 4 8/10
Use the higher levels of the recommended dosage ranges on
soils high in organic matter. Do not apply more than twice the
highest recommended rate for the indicated soil texture per crop
(18–24 months).
• Treatments to field edges and roadsides - Apply
VELPAR® DF at 2 1/3 - 4 8/10 lb per acre in 100–400
gal of water.
A surfactant is recommended for all uses.
For preemergence use only, VELPAR® DF may be applied with
aerial equipment using at least 10 gal of spray per acre.
WEEDS CONTROLLED
For spot treatments of emerged weeds, VELPAR® DF may be
applied with a knapsack sprayer in concentrations of
VELPAR® DF is recommended for the control or
suppression of the following species:
0.6 - 4.8 lb per 100 gal of water. Apply a sufficient volume to
thoroughly wet weed foliage, but do not exceed 40 gal of spray
per treated acre. Use the lower concentrations on coarse-textured
soils that are low in organic matter, and use the higher concen-
trations on fine-textured soils that are high in organic matter.
Ageratum
Kao haole*
Mauna loa*
Morningglory
Oxalis
Balsam apple
Castor bean
Crabgrass
Crotalaria
Popolo
Dallisgrass
Guinea grass
Jungle rice
Richardsonium
Vaseygrass
LOUISIANA
Apply 2/3 - 1 2/10 lb of VELPAR® DF per acre broadcast in the
fall before sugarcane emerges or in the spring before active cane
tillering begins. Fall treatments of 2/3 - 1 2/10 lb per acre may
be followed by a spring treatment of 2/3 - 1 2/10 lb per acre. Do
not apply more than 2 lb per year. Use the higher levels of the
recommended dosage range on fine-textured soils.
* Suppression
USE PRECAUTIONS - PINEAPPLE
• Use the lower rates on coarse-textured soils or in areas
where rainfall exceeds 65 inches per year.
• Use the higher rates on fine-textured soils or in areas
where rainfall is less than 65 inches per year.
PUERTO RICO
For preemergence treatments, apply 1/3 - 2/3 lb of VELPAR®
DF per acre.
• Do not exceed 4.8 lb VELPAR® DF per acre per crop.
• Do not apply VELPAR® DF within 181 days of harvest.
For postemergence treatments, apply 1/3 - 2/3 lb of VELPAR®
DF per acre to weeds after they have emerged. Use the lower
rates on coarse-textured soils and the higher rates on fine-
textured soils (high in clay or organic matter). Each ratoon may
receive up to 2/3 lb of VELPAR® DF per acre.
SUGARCANE
VELPAR® DF is recommended for selective weed control
in sugarcane except in the State of Florida.
For spot treatment of emerged weeds, VELPAR® DF may be
applied with a knapsack sprayer in concentrations of 1/3 - 2/3 lb
per 100 gal of water. Apply a sufficient volume to wet the weed
foliage. Do not exceed 100 gal of spray per treated acre. Use the
lower concentration on coarse-textured soils and the higher
concentration on fine-textured soils.
APPLICATION TIMING
- USE RATES - MIXING INSTRUCTIONS
Apply a single treatment of VELPAR® DF per year using a
fixed-boom sprayer and a minimum of 25 gal per acre
unless otherwise directed.
Note: Since it is difficult to calibrate “spot” knapsack
applications, extra care must be taken not to exceed the rate
equivalent of the maximum of 2/3 lb VELPAR® DF per acre.
HAWAII
Apply VELPAR® DF pre- or postemergence at the
following rates for the indicated soil texture:
Do not apply more than 1 1/3 lb of VELPAR® DF per acre per
crop season.
TEXAS
Apply 2/3 - 2 1/3 lb of VELPAR® DF per acre. On plant cane,
apply the herbicide before the cane emerges or as a directed
layby treatment. On stubble cane, apply VELPAR® DF
preemergence (up to the 3-leaf stage) or as a directed layby
treatment. A pre- or early postemergence treatment may be
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followed by a layby treatment, provided at least 60 days have
elapsed and 3 inches of rainfall or sprinkler irrigation have
occurred since the first treatment.
follow the most restrictive adjuvant recommendation.
Temporary crop chlorosis may result from postemergence
applications to emerged sugarcane.
Do not apply more than 2 1/3 lb of DuPont™ VELPAR® DF
per acre per season.
The tank mix combination may also be used as a post-
directed/layby application. For best weed control, post-
directed/layby applications should be made prior to weed
germination. Post-directed/layby applications are required
when the sugarcane plants reach or exceed a height of 18
inches. Post-directed/layby applications should be directed
at the base of the sugarcane plants so the spray does not
contact green leaves or the plant whorl.
Use the following rates according to the different soil textures:
VELPAR® DF (Lb/Acre)
Soils
Preemergence
+
Layby
Coarse Texture
*
Sandy loam
1/3
1/3
Medium Texture
Loam, silt loam
Fine Texture
Clay loam
If weeds are present at application, a tank mixture partner,
labeled for use on sugarcane, is recommended. When
adding other tank mix partners, read and follow all use
instructions, warnings and precautions on the companion
label(s).
9/10
9/10
1 1/3
1 1/3
* With at least 2% organic matter
On dormant cane, a surfactant may be added to the spray
mixture to increase control of emerged weeds.
Do not apply as a postemergence (over-the-top) application
to sugarcane beyond a height of 18 inches.
WEEDS CONTROLLED
The tank mix combination of VELPAR® plus diuron may
be applied to fallow sugarcane fields up to 60 days prior to
planting. For best results, applications should be made to a
newly prepared seedbed that is free of clods and existing
vegetation. If weeds are present, either a separate
VELPAR® DF is recommended for the control or
suppression of the following species:
Ageratum*
Johnsongrass (from seed)
Jungle rice
Lambsquarter
Morningglory (hairy,
threelobe)
Mustard (wild)
Oxalis
Alexandergrass
Amaranth (slender,
smooth)
application of a contact herbicide or a tank mix partner is
recommended for improved postemergence control.
American burnweed
(fireweed)
Balsam apple
Barnyardgrass
Bermudagrass*
Carolina geranium
Chickweed
USE PRECAUTIONS - SUGARCANE
Do not plant any crop other than sugarcane following an
application of VELPAR® DF.
Panicum (brownleaf,
browntop, Texas millet)
Paspalum (ricegrass, sour)
Pigweed (common,
smooth)
Do not feed sugarcane forage to livestock.
Crabgrass (hairy, large,
smooth)
Do not apply VELPAR® DF:
Popolo
• Within 180 days of harvest in Hawaii.
• Within 234 days of harvest in Louisiana.
• Within 288 days of harvest in Puerto Rico.
• Within 234 days of harvest in Texas.
To avoid injury to sugarcane, observe the following
precautions:
Crotalaria (fuzzy, showy)
Cuphea (tarweed)
Dallisgrass
Purslane
Sandbur
Sensitive plant (hila hila)
Signalgrass (broadleaf)
Sowthistle
Fingergrass (radiate,
swollen)
Flora’s paintbrush
Foxtail (bristly, yellow)
Goosegrass
Spanish needle
Sprangletop
Spurge (prostrate,
graceful)
Guineagrass
• Do not use VELPAR® DF on cane that shows poor vigor
because of insect damage, disease, or winter injury, or
shows symptoms of other stress conditions such as
drought stress.
Henbit
Sunflower
Itchgrass*
Vaseygrass
Jobs tears
Waltheria (hialoa)
* Partial control
• Do not add a surfactant in applications unless otherwise
specified.
TANK MIXTURES (LOUISIANA AND TEXAS)
A tank mixture of VELPAR® DF at 0.67 pounds per acre
plus diuron (“Karmex” DF or “Direx” DF) at 2.25 lbs per
acre may be applied to newly planted sugarcane prior to
crop emergence or to rattoon (stubble) sugarcane following
harvest for improved control of annual sedge, cutleaf
eveningprimrose, red morningglory, pitted morningglory,
Texas panicum, smellmelon, swinecress, toadflax and also
provide additional suppression of itchgrass.
• Do not use VELPAR® DF on gravelly or rocky soils,
thinly covered subsoils, or coarse-textured soils (sands to
sandy loams) with less than 1% organic matter.
• Temporary chlorosis of the crop may result from
application over emerged cane. Applications during active
cane growth should be directed to cover the weeds and
soil while minimizing crop contact.
• Do not use VELPAR® DF on varieties known to be
susceptible to weed killers.
An early Spring application of the tank mix combination
may be used postemergence (over the top) of sugarcane
until it reaches a height of 18 inches. If weeds are present at
the time of application, a non-ionic surfactant at the use rate
of 0.25% V/V or a crop oil concentrate at the use rate of 1%
V/V is recommended. If a tank mix partner is being used,
Extremely heavy rainfall after application may result in
poor weed control and/or crop injury, especially if the
application is made to dry soil.
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Applications made to shelter wood sites may also result in
mortality to over-story conifers. Factors that may influence
conifer sensitivity in these sites could include application rate,
conifer species, soil characteristics, uniformity of spray distri-
bution across the treatment swath and environmental stress.
FORESTRY
SITE PREPARATION
DuPont™ VELPAR® DF is recommended for weed and
brush control in areas where the following species are
grown:
Rain Belt (areas of high spring rainfall): For best results,
apply in late winter or spring when weeds and brush are
actively growing.
EASTERN US AND LAKE STATES
Snow Belt (areas of low spring rainfall): For best results,
apply in the fall before soil freezes, or in the spring after
snow cover melts in anticipation of rainfall. Weed and brush
control results from spring applications will be dependent
on sufficient rainfall following application to activate
VELPAR® DF.
Austrian pine
Balsam fir
Black spruce
Loblolly pine
Longleaf pine
Ponderosa pine
Red pine
Red spruce
Scotch pine
Shortleaf pine
Slash pine
Spruce
Virginia pine
White spruce
PLANTS CONTROLLED
WESTERN US
VELPAR® DF is recommended for the control or
suppression of the following species:
Blue spruce
Douglas fir
Engleman spruce
Grand fir
Lodgepole pine
Noble fir
Ponderosa pine
Sitka spruce
White fir
Herbaceous Plants
Annual bluegrass
Asters
Barnyardgrass
Bentgrass
Bromegrass
Fleabane
Jeffrey pine
Foxtail
Goldenrod*
Heath aster*
Horseweed*
Orchardgrass*
Oxeye daisy
Pennsylvania smartweed*
Pinegrass
Quackgrass*
Ryegrass*
Squawcarpet
Velvetgrass
Wild carrot
APPLICATION TIMING
EASTERN US
Canada thistle*
Catsear (false dandelion)*
Common groundsel
Common ragweed
Crabgrass*
Apply VELPAR® DF from early spring to early summer
after hardwoods have broken bud and before the foliage has
hardened off.
Curly dock*
VELPAR® DF (Lb/Acre)
Dandelion*
Soils
Coarse Texture
Sand, loamy sand,
sandy loam
Eastern US
Elksedge
Fescue*
Fireweed (willowweed)*
2 2/3 - 4
Medium Texture
Loam, silt loam,
sandy clay loam
Woody Plants
4 - 5 1/3
Ash
Hickory
Fine Texture
Aspen (big tooth,
trembling)
Honeysuckle*
Oaks
Silty clay loam,
clay loam, sandy clay,
silt, silty clay, clay
The rates listed are for broadcast application. Use the lower rates on
coarse textured soils and soils low in organic matter. Use the higher
rates where weeds identified in this label as “partial control or
suppression” predominate.
Balsam poplar
Birch
Blackgum
Red maple*
Snowbush ceanothus
(varnishleaf ceanothus)
Sourwood*
Sweetgum
Whitehorn
Wild cherry
Willows
5 1/3 - 6 2/3
Deerbrush ceanothus
Elm
Flowering dogwood*
Greenleaf manzanita
Hawthorne
WESTERN US
For SITE PREPARATION, VELPAR® DF may be
applied at 1.3 to 4 pounds per acre. Use the lower rates on
coarse textured soils and soils low in organic matter. Use the
higher rates on fine textured soils and soils high in organic
matter. Use the higher rates where weeds identified in this
label as “partial control or suppression” predominate.
Hazel
*
Partial Control or Suppression - Specie suppression or partial
control is a visible reduction in plant competition (reduced
population and/or vigor) as compared to an untreated area. Degree
of suppression will vary with rate applied, size of plants at
application and environmental conditions following treatment.
Species indicated above, especially resprouts of these species, may
require a follow up treatment for acceptable control. Burning, as a
follow up treatment, will enhance control of resprouts.
In areas where other conifer species may be mixed in with the
conifers listed above, VELPAR® DF may be applied if the user
has prior experience with VELPAR® DF on the other conifer
species. With no prior experience, it is recommended that either
a small area of plantings be tested for conifer safety prior to
treating larger areas, or make no application of VELPAR® DF
in these areas within the site preparation area. Conifer species
that are sensitive to VELPAR® (hexazinone) DF, such as, sugar
pine and western larch, require 18 months before interplanting
on treated sites.
Within several weeks after VELPAR® DF activation by
rainfall, affected vegetation may be burned, if desired. This
burn may further enhance control of vegetation. Burn the
vegetation only after any residual stand is completely
defoliated, at least twice, allowing for sufficient root uptake of
VELPAR® DF. In the West, results may take one to two years
in areas of low rainfall.
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only after brush has completely defoliated at least once,
allowing sufficient root uptake of VELPAR® DF (usually
60-90 days after adequate rainfall).
SPRAY EQUIPMENT
When applied as a liquid spray using water as the carrier,
DuPont™ VELPAR® DF may be applied by ground
equipment or by air (helicopter only).
• Before using “Tordon 101” Mixture, read and carefully
observe the cautionary statements and all other information
appearing on the product label. “Tordon 101” Mixture is a
restricted use pesticide, for retail sale to and use only by
certified applicators or persons under their direct
supervision and only for those uses covered by certified
applicator’s certification.
MIXING INSTRUCTIONS
For ground application, use enough water for thorough
coverage, usually a minimum of 25 gal per acre. For aerial
applications, use at least 5 gal of water per acre.
SITE PREPARATION - TANK MIXTURES
VELPAR® DF PLUS “Tordon 101” MIXTURE
SITE PREPARATION
- GRID & SINGLE STEM APPLICATIONS
VELPAR® DF is recommended for control of brush in site
preparation.
For improved, broad-spectrum brush control, tank mix
VELPAR® DF with “Tordon 101” Mixture. Only the
following trees may be planted on sites with this combination:
GRID APPLICATION
Austrian pine
Loblolly pine
Longleaf pine
Ponderosa pine
Red pine
Scotch pine
Shortleaf pine
Slash pine
Mix 2 2/3 pounds of VELPAR® DF with sufficient water to
make one gallon of suspension and thoroughly agitate.
Intermittent agitation may be required to maintain the
VELPAR® DF in suspension.
Virginia pine
Apply the VELPAR® DF suspension directly to the soil
surface in a grid pattern using an exact delivery handgun
applicator. This equipment delivers a thin stream of
predetermined volume. VELPAR® DF should be applied
during the period from hardwood bud break to early
summer.
APPLICATION TIMING
Apply VELPAR® DF plus “Tordon 101” Mixture from late
spring to early summer after the trees have reached full leaf,
but before leaf tissue hardens. In the states of Maine,
Michigan, Minnesota, New Hampshire, New York, Vermont,
and Wisconsin, apply this tank mixture after bud break.
Application rate and grid pattern will depend on soil texture
and woody plant composition. Use the lower rates on
coarse textured soils and when the major component of the
hardwoods are susceptible species. Use the high rates on
fine-textured soils and where weeds identified in this label
as “partial control or suppression” predominate.
WOODY PLANTS CONTROLLED - USE RATES
Predominant
Species
VELPAR® DF “Tordon 101” M
(Lb/Acre)
(Qt/Acre)
Blackberry, Elm,
Oak (Prunus spp.),
Sweetgum
4 - 6 2/3
4
Blackgum, Dogwood,
Pine, Red maple,
Sassafras, Sourwood
2 2/3 - 6 2/3
6-8
Application Patterns and Rates For VELPAR® DF
Suspension
ML/Spot
Grid (Ft) Qt/Acre
Refer to the USE RATES table in the FORESTRY SITE
PREPARATION section of this label for recommended rates
based on soils.
Coarse
0.6
2.0
3.1
3 X 3
4 X 4
4 X 6
3
6
6
Medium/Fine
1.6
2.8
3.5
5.2
3 X 3
4 X 4
4 X 4
4 X 6
8
SPRAY EQUIPMENT
8
VELPAR® DF plus “Tordon 101” Mixture may be applied by
ground equipment or by air (helicopter only).
10
10
MIXING INSTRUCTIONS
SINGLE STEM (BASAL SOIL)
For ground application, use enough water for thorough
coverage, usually a minimum of 25 gal per acre. For aerial
applications, use at least 5 gal of water per acre. For best
results, full foliar coverage is required.
Mix 2 2/3 pounds of VELPAR® DF with sufficient water to
make one gallon of suspension and thoroughly agitate.
Apply the VELPAR® DF suspension with an exact-delivery
handgun applicator. This equipment delivers a thin stream
of predetermined volume when triggered. Apply the
VELPAR® DF suspension at the rate of 2 to 4 ml for each
inch of stem diameter at breast height. Direct the treatment
to the soil within 3 feet of the root collar of woody plants to
be controlled.
USE PRECAUTIONS
- VELPAR® DF + “Tordon 101” Mixture
• To avoid injury, do not plant pine before the following
intervals following application with “Tordon 101” Mixture:
–Southern states - 6 months
–Lake states - 9 months
–Northeastern states - 9 months
• Burning treated sites after initial contact (browning) effect
on foliage may result in poor control. Burn the vegetation
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For multi-stemmed and low-growing brush that have stem
diameters that are difficult to determine, apply the
DuPont™ VELPAR® DF suspension at the rate of 2 to 4 ml
per 3 feet of canopy width. For tall, slender (columnar)
brush types, apply 4 to 8 ml per 3 feet of height. Base the
rate on whichever canopy dimension is greater (width or
height).
made after bud break, use directional spray equipment to
prevent contact with conifer foliage, as injury may result.
Snowbelt (areas of low spring rainfall): For best results,
apply in the fall before soil freezes and after the final resting
bud has hardened on the conifers. Or, spring applications
may be made after snow cover melts in anticipation of
rainfall prior to conifer budbreak. Brush control results
from spring treatments will be dependent on sufficient
rainfall following application to activate VELPAR® DF.
When treating brush that requires more than a single
delivery of the VELPAR® DF suspension, apply subsequent
deliveries equally spaced around the target plant. If treating
brush on sloping sites, apply most of the suspension on the
uphill side of the stem. If treating resprouts from brush
disturbed by cutting or other mechanical methods, the rate
of application should be proportional to the original tree
size, not just the size of sprout regrowth.
USE RATES
The rates listed below are for broadcast application. Do not
use more than one application of VELPAR® DF per year.
EASTERN US
VELPAR® DF
(Lb/Acre)
Crop Species
Loblolly pine
Longleaf pine
Soil Description
Loamy sand,
sandy loam
Established Trees
USE PRECAUTIONS
- SITE PREPARATION
1 1/3 - 2
Where burning is desired, burn the vegetation only after any
residual brush has completely defoliated, at least twice,
allowing for sufficient root uptake of VELPAR® DF.
Shortleaf pine Loam, silt loam,
Virginia pine
Slash pine
silt, sandy clay loam
Silty clay loam,
clay loam, sandy clay,
silty clay, clay
1 1/3 - 2 2/3
Following harvest, allow sufficient time for stumps and
injured trees to adequately resprout before applying
VELPAR® DF.
3 - 4
Red pine
Loamy sand, sandy loam 1 1/3 - 2 2/3
Loam, silt loam, silt,
sandy clay loam
RELEASE
2 2/3 - 4
- HARDWOOD SUPPRESSION
VELPAR® DF is recommended for conifer release where
the following species are grown:
Silty clay loam, clay loam,
sandy clay, silty clay, clay 4 - 5 1/3
Established Trees- 4 years of age from transplanting on
coarse-textured soils
EASTERN US
Balsam fir
Red spruce
- 3 years of age from transplanting on
medium-textured soils
Black spruce
Loblolly pine
Longleaf pine
Norway spruce
Red pine
Shortleaf pine
Slash pine
Virginia pine
White spruce
- 2 years of age from transplanting for
Red Pine
WESTERN US
WESTERN US
Application rates by soil type for VELPAR® DF in the
following western conifers: Blue spruce, Douglas fir, Engleman
spruce, Grand fir, Jeffrey pine, Lodgepole pine, Noble fir,
Ponderosa pine, Sitka spruce, Western hemlock and White fir.
Blue spruce
Douglas fir
Noble fir
Ponderosa pine
Sitka spruce
Western hemlock
White fir
Engleman spruce
Grand fir
VELPAR® DF
(Lb/Acre)
Soil Description
Jeffrey pine
Lodgepole pine
Loamy sand,
sandy loam
1 1/3 - 3
Loam,
APPLICATION TIMING
silt loam,
EASTERN US
sandy clay loam
2 2/3 - 4
Apply VELPAR® DF from early spring to early summer
after hardwoods have broken bud and before full leaf
expansion.
Silt, silty clay loam,
clay loam,
sandy clay, silty clay,
clay
3 - 4
Applications made over the top of pines may result in
excessive pine injury under conditions of high humidity and
temperature (80 degrees F).
For first year plantings utilizing bare root stock, treat only
transplant stock that is 2 years old (2-0, 1-1) or more, except
(1-0) for Ponderosa and Jeffrey pines. Apply VELPAR® DF
only if rainfall has settled the soil around the base and root
systems of the transplants.
WESTERN US
Rainbelt (areas of high spring rainfall): For best results,
apply in late winter or spring when brush is actively
growing, but prior to conifer budbreak. If application is
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BRUSH SUPPRESSION
SINGLE STEM (BASAL SOIL)
DuPont™ VELPAR® DF is recommended for the control or Mix 2 2/3 pounds of VELPAR® DF with sufficient water to
make one gallon of suspension and thoroughly agitate. Apply
the VELPAR® DF suspension with an exact-delivery handgun
applicator. This equipment delivers a thin stream of
predetermined volume when triggered. Apply the VELPAR®
DF suspension at the rate of 2 to 4 ml for each inch of stem
diameter at breast height. Direct the treatment to the soil within
3 feet of the root collar of woody plants to be controlled.
suppression of the following species:
Ash
Hawthorne
Aspen
Hazel
Balsam poplar
Birch
Box elder
Brambles
Honeysuckle
Oaks
Red maple*
Snowbush ceanothus
Sumac*
Sweetgum*
Whitehorn
Willow
Cherry (black, pin)
Deerbrush ceanothus
Dogwood*
Elm
For multi-stemmed and low-growing brush that have stem
diameters that are difficult to determine, apply the VELPAR®
DF suspension at the rate of 2 to 4 ml per 3 feet of canopy
width. For tall, slender (columnar) brush types, apply 4 to 8 ml
per 3 feet of height. Base the rate on whichever canopy
dimension is greater (width or height).
Greenleaf manzanita
* Partial control
In addition to brush controlled, herbaceous species listed in
Weeds Controlled section of Release-Herbaceous Weed
Control may be controlled with these applications.
When treating brush that requires more than a single delivery of
the VELPAR® DF suspension, apply subsequent deliveries
equally spaced around the target plant. If treating brush on
sloping sites, apply most of the suspension on the uphill side of
the stem. If treating resprouts from brush disturbed by cutting or
other mechanical methods, the rate of application should be
proportional to the original tree size, not just the size of sprout
regrowth.
SPRAY EQUIPMENT
When applied as a liquid spray using water as the carrier,
VELPAR® DF may be applied by ground equipment or by
air (helicopter only).
MIXING INSTRUCTIONS
For ground application, use enough water for thorough
coverage, usually a minimum of 25 gal per acre. For aerial
applications, use at least 5 gal of water per acre.
USE PRECAUTIONS
- RELEASE GRID & SINGLE STEM
• Application of VELPAR® DF spots closer than 36 inches to
conifer seedlings in their first season or directly up slope from
these seedlings may result in injury or mortality.
RELEASE
- GRID & SINGLE STEM APPLICATIONS
VELPAR® DF is recommended for hardwood suppression in
conifer release sites.
• Use VELPAR® DF on seedlings in their first or fourth year
and older. Injury may result from use on two and three year
old seedlings where root growth is extensive but hardiness is
lacking.
GRID APPLICATION
Mix 2 2/3 pounds of VELPAR® DF with sufficient water to
make one gallon of suspension and thoroughly agitate.
Intermittent agitation may be required to maintain the
VELPAR® DF in suspension.
RELEASE
- HERBACEOUS WEED CONTROL
VELPAR® DF is recommended for controlling herbaceous
weeds where the following species are grown:
Apply the VELPAR® DF suspension directly to the soil surface
in a grid pattern using an exact delivery handgun applicator.
This equipment delivers a thin stream of predetermined volume.
VELPAR® DF should be applied during the period from
hardwood bud break to early summer.
EASTERN US
Loblolly pine
Longleaf pine
Slash pine
Red pine
Application rate and grid pattern will depend on soil texture and
woody plant composition. Use the lower rates on coarse
textured soils and when the major component of the hardwoods
are susceptible species. Use the high rates on fine-textured soils
and where weeds identified in the label as “partial control or
suppression” predominate.
WESTERN US
Blue spruce
Douglas fir
Noble fir
Ponderosa pine
Sitka spruce
Western hemlock
White fir
Application Patterns and Rates For VELPAR® DF
Suspension
Engleman spruce
Grand fir
Jeffrey pine
Lodgepole pine
ML/Spot
0.5
1.2
2.1
1.2
2.3
1.6
3.1
Grid (Ft)
3 X 4
3 X 6
4 X 6
3 X 3
3 X 6
3 X 3
3 X 6
Qt/Acre
3*
6
6
8
8
10
10
Coarse
APPLICATION TIMING
EASTERN US
Medium/Fine
Apply VELPAR® DF as a broadcast or banded spray in the
spring prior to conifer bud break to lessen conifer injury
potential.
* Use on deep sands with pines four years or more of age.
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WESTERN US
FORESTRY—IMPREGNATION ON DRY BULK
FERTILIZER
Rainbelt (areas of high spring rainfall): For best results, apply
as a broadcast or banded spray in the late winter or spring when
weeds are actively growing, but prior to conifer budbreak. If
application is made after conifer bud break, use directional spray
equipment to prevent contact with conifer foliage, as injury may
result.
VELPAR® DF is recommended for impregnating or coating
dry bulk fertilizer to be applied on forested sites for the
establishment or release of conifer plantations (except
longleaf pine) as specified on this label.
PLANTS CONTROLLED
Snowbelt (areas of low spring rainfall): For best results, apply
as a broadcast or banded spray in the fall before soil freezes and
after the final resting bud has hardened on the conifers. Or,
spring applications may be made after snow cover melts in
anticipation of rainfall prior to conifer budbreak. Weed control
results from spring treatments will be dependent on sufficient
rainfall following application to activate DuPont™ VELPAR®
DF.
Fertilizer impregnated with VELPAR® DF is recommended
for the control and suppression of the weeds and brush
identified for the specific applications on this label. Consult
the appropriate segment of this label to determine the
appropriate rate of VELPAR® DF to be applied per acre.
Apply this amount of VELPAR® DF to the volume of
fertilizer to be applied per acre.
USE RATES
IMPREGNATION EQUIPMENT
The rates listed below are for broadcast application. For band
application, use proportionately less. For example, use 1/2 of
the broadcast rates when treating a 3-foot band where row
spacing is 6 feet.
To impregnate or coat the fertilizer use a system consisting
of conveyor or closed drum used to blend dry bulk fertilizer.
IMPREGNATION INSTRUCTIONS
To impregnate dry bulk fertilizer with VELPAR® DF, mix
the amount as prescribed above in a sufficient quantity of
water to uniformly coat the desired amount of fertilizer.
Suspensions of VELPAR® DF will require thorough
agitation.
EASTERN US
VELPAR® DF (Lb/Acre)
First Year
Plantings
1 1/3
Established
Soil Description
Trees
Loamy sand,
sandy loam(50-85% sand)
1 1/3 - 1 2/3
Direct the spray nozzles of the impregnation equipment to
deliver a fine spray of the mixture toward the fertilizer for
thorough coverage while avoiding contact with mixing
equipment. The use of a colorant or dye may be beneficial
to visually determine the uniformity of impregnation.
Loam, silt loam, silt,
sandy clay loam
1 1/3 - 1 1/2
1 2/3 - 2 1/3
2 1/3 - 2 2/3
Silty clay loam,
1 1/2 - 1 8/10
clay loam, sandy clay,
silty clay, clay
Uniform impregnation of dry bulk fertilizer may vary. If
absorption of the spray is not adequate, the use of an
absorptive powder or additive, such as “Microcel E” or
“HiSil 233”, may be required to produce a dry, free flowing
mixture.
Red pine only - Refer to recommended rates in the
HARDWOOD SUPPRESSION - Eastern US table on page 11.
WESTERN US
Apply the fertilizer as soon as possible after impregnation
for optimum performance. Impregnated fertilizer may
become lumpy and difficult to apply following storage.
Refer to recommended rates in the HARDWOOD
SUPPRESSION-Western US table on page 11.
WEEDS CONTROLLED
Diammonium phosphate, potassium chloride, 16-16-16 and
24-4-4 have been successfully impregnated.
VELPAR® DF is recommended for the control or
suppression of the following species:
APPLICATION EQUIPMENT
Applications of impregnated fertilizer may be made by
ground equipment or by air (helicopter or fixed wing).
Accurate calibration and patterning of the equipment is
essential for uniform distribution of the impregnated
fertilizer on the soil surface.
Annual bluegrass
Aster
Fireweed (willowweed)*
Fleabane
Barnyardgrass
Bentgrass
Foxtail
Goldenrod*
Bracken Fern
Bromegrass
Catsear (false dandelion)
Common groundsel
Common ragweed
Crabgrass*
Curly dock*
Dandelion*
Dogfennel
Fescue*
Heath aster*
Horseweed*
Orchardgrass*
Oxeye daisy
Panicums
USE PRECAUTIONS—IMPREGNATED
FERTILIZER FOR FORESTRY
Pennsylvania smartweed
Ryegrass*
Squawcarpet
Velvetgrass
Wild carrot*
• If fertilizer materials are excessively dusty, use a suitable
additive to reduce dust prior to impregnation. Application
of dusty fertilizer which has been impregnated may result
in off-target drift and injury to desirable vegetation. Such
drift and associated injury may be aggravated by high
wind conditions.
* Partial control
• The dry fertilizer must be properly impregnated and
uniformly applied to avoid pine injury/mortality and poor
weed and brush control.
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• Uniform and precise application of the impregnated
fertilizer is essential for satisfactory weed and brush
control and to minimize pine injury. Overlaps or skips
between adjoining swaths or non-uniform distribution of
impregnated fertilizer within the swath will deliver poor
results and may result in pine injury or mortality.
NON-AGRICULTURAL USES
NON-AGRICULTURAL USE REQUIREMENTS
The requirements in this box apply to uses of this
product that are NOT within the scope of the Worker
Protection Standard for agricultural pesticides (40 CFR
Part 170). The WPS applies when this product is used to
produce agricultural plants on farms, forests, nurseries,
or greenhouses.
Industrial and Pasture/Rangeland weed and brush
control applications as described on this label for
DuPont VELPAR DF are not within the scope of the
Worker Protection Standard.
The area being treated must be vacated by unprotected
persons.
Do not enter or allow entry into treated areas until sprays
have dried to perform hand tasks.
• Do not impregnate potassium nitrate, sodium nitrate or
triple super phosphate fertilizers with DuPont™
VELPAR® DF as herbicidal action will be lost.
USE PRECAUTIONS - FORESTRY
• Do not use VELPAR® DF in nurseries, seedbeds, or
ornamental plantings.
• On tracts of land where various soil types are present and
VELPAR® DF rate selection is difficult, conifer damage
or less-than-expected vegetation suppression may occur
due to the different rates required for various soil types.
APPLICATION INFORMATION
• Poor weed and brush control may result from the
following:
VELPAR® DF is recommended for general weed and brush
control in noncrop sites such as railroads, highways, utility and
pipeline rights-of-way, petroleum tank farms, storage areas,
industrial plant sites, and other similar areas.
–Heavy duff or slash present at time of application
–Use on poorly drained sites
–Applications made when the soil is saturated with water
and rain is imminent within 24 hours.
NONCROP, INDUSTRIAL SITES
–Applications to soils high in organic matter (greater
than 5%).
VELPAR® DF is recommended for control of many annual,
biennial, and perennial weeds in noncrop, industrial sites.
• Following harvest, allow stumps and injured trees
sufficient time to adequately resprout before applying
VELPAR® DF.
APPLICATION TIMING
Apply VELPAR® DF as a preemergence or postemergence
spray when weeds are actively germinating or growing.
• Where burning is desired, burn vegetation after any brush
has completely defoliated, at least twice, allowing for
sufficient root uptake of VELPAR® DF.
WEEDS CONTROLLED - USE RATE
VELPAR® DF effectively controls the following weeds when
applied at the use rates shown. When applied at lower rates,
VELPAR® DF provides short-term control of the weeds listed;
when applied at higher rates, weed control is increased and
extended.
Use lower rate on coarse-textured soils (sand to sandy
loam). Use the higher rate on fine-textured soils(clay loam
to clay) and on soils high in organic matter.
• Do not use VELPAR® DF on frozen soils; use in spring
after snow melt.
• Do not add a surfactant in applications over the top of
conifers.
• Weed control results from spring applications depend on
sufficient moisture to activate VELPAR® DF.
• When applying VELPAR® DF after transplanting, wait
until rainfall has settled the soil around the base and root
systems of the transplants before making the treatment.
2 2/3 - 6 2/3 Lb/Acre
Barnyardgrass
Bindweed*
Bouncingbet*
Bromegrass
Buffalograss*
Burdock
Cocklebur
Crabgrass
Crown vetch
Curly dock*
Dandelion*
Dogbane*
Fiddleneck
Filaree
Fleabane
Goatsbeard vine
Goldenrod
Lespedeza
Milkweed*
Mustard
• Crop injury may occur when VELPAR® DF is used:
Nutsedge*
Orchardgrass*
Oxalis
–On trees that show poor vigor, insect damage, disease,
winter injury, or other stress conditions
Paragrass
–On any soil containing less than 1% organic matter
Pigweed
–On loamy sand or sandy loam with less than 2% organic
matter, except Jeffrey pine and Ponderosa pine
Purslane
Quackgrass
Ryegrass, annual
Smartweed
Spurge
–On conifer foliage after conifer bud break.
–On gravelly or rocky soils, exposed subsoils, clay knobs,
sand, or sandy soil with 85% or more sand.
Star thistle
Trumpetcreeper*
Wild oats*
Wild parsnip
• Do not cut treated vegetation for forage or hay nor graze
domestic animals on treated areas for 60 days following
application.
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8 - 10 2/3 Lb/Acre
SPRAY EQUIPMENT
Apply VELPAR® DF uniformly over the desired area using
ground equipment only.
Bahiagrass*
Bermudagrass*
Blackberry
Bluegrass
Guineagrass
Heath aster
Honeysuckle
Lantana
MIXING INSTRUCTIONS
For ground application, use enough water for thorough coverage
usually a minimum of 25 gal per acre. The use of a surfactant is
not recommended.
Broomsedge
Camphorweed
Canada thistle*
Chickweed
Clovers
Marestail
Natalgrass
Plantain
Prickly lettuce
Ragweed
USE PRECAUTIONS
- INDUSTRIAL UNIMPROVED TURF
• Use VELPAR® DF only in stands of bermudagrass and
bahiagrass established for at least one year. Do not treat newly
sprigged or sodded areas.
†
Dewberry
Smutgrass
Dogfennel*
Fescue*
Spanish needle
Vaseygrass
Fingergrass
Foxtail
Wild carrot
• Some discoloration of the bermudagrass or bahiagrass may
occur after application.
* Partial control
† Partial control may result with some of the giant (larger) smutgrass species.
• Injury may result when desirable grasses are under stress from
drought, insects, disease, cold temperature, or poor fertility.
SPECIFIC WEED PROBLEMS
Control of Canada Thistle in Crown Vetch - DuPont™
VELPAR® DF is recommended for control of Canada thistle in
established stands of crown vetch on noncrop sites. Make a
single application of 1 - 1 2/3 lb of VELPAR® DF from late
spring through mid-summer, when thistle is actively growing
prior to flowering. Do not use a surfactant. Some discoloration
of the crown vetch foliage may occur after application.
• Severe turf injury may occur if applications are made on
gravelly or rocky soils, thinly covered subsoils, or soils with
less than 1% organic matter.
BRUSH CONTROL
VELPAR® DF is recommended for the control of
undesirable woody plants in noncrop sites.
SPRAY EQUIPMENT
Apply VELPAR® DF uniformly over the desired area using
ground equipment or helicopter. Do not apply more than 8 lbs
per acre by air.
APPLICATION TIMING
Apply VELPAR® DF from late winter through summer,
prebud break until new growth hardens off.
MIXING INSTRUCTIONS
In areas where the soil remains frozen during the winter and
spring rains are usually inadequate for soil activation, a fall
or winter treatment may be applied before the soil freezes.
Use enough water for thorough coverage. For ground
application this is usually a minimum of 25 gal per acre. Higher
application volumes may be needed to obtain uniform
application with handgun equipment. For aerial applications
(helicopter only) this is usually a minimum of 5 gal per acre.
Higher volumes of water may be needed when water temper-
atures are cold or the higher rates of VELPAR DF are used.
WOODY PLANTS CONTROLLED - USE RATE
VELPAR® DF is recommended for the control or
suppression of the following species. Use lower rate on
coarse-textured soils (sand to sandy loam). Use the higher
rate on fine-textured soils(clay loam to clay) and on soils
high in organic matter.
INDUSTRIAL TURF (UNIMPROVED ONLY)
VELPAR® DF is recommended for selective weed control in
established stands of bermudagrass and/or bahiagrass in noncrop
areas.
5 1/3 - 10 2/3 Lb/Acre
Alder
Manzanita
Mesquite
American elm
Ash
APPLICATION TIMING
Make a single application of VELPAR® DF per year when
weeds are actively growing.
Mulberry
Aspen
Multiflora rose
Myrtle
Balsam poplar
Birch
Oaks
Black cherry
Blackgum
Catclaw acacia
Chinaberry*
Chinese elm
Chinese tallow
Deerbrush
Dogwood
Eastern red cedar*
Hackberry
Hawthorne
Hazel
Osage orange
Persimmon
Privet
WEEDS CONTROLLED - USE RATE
VELPAR® DF effectively controls the following weeds at the
rates shown. Use a lower rate on coarse-textured soils (sand to
sandy loam). Use the higher rate on fine-textured soils (clay
loam to clay) and on soils high in organic matter.
Red maple
Sassafras*
Small soapweed (yucca)
Snowbrush
Sourwood
Sumac
9/10 - 1 1/2 Lb/Acre
Sweet bay
Sweet gum
Whitebrush
Whitehorn
Wild plum
Willow
Barnyardgrass
Dogfennel
Fescue
Lespedeza
Little barley
Maypop (passion flower)
Oxalis
Hickory
Pepperweed
Pigweed
Huisache
†
Juniper
Smutgrass
Locust
Yellow Poplar
Lotebush
† Partial control may result with some of the giant (larger) smutgrass species.
*Partial control
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than 5%).
SPRAY EQUIPMENT
AND APPLICATION TECHNIQUES
• Following mechanical cutting or clearing, allow stumps and
injured trees sufficient time to adequately resprout before
applying VELPAR® DF.
BROADCAST
Apply 5 1/3 to 10 2/3 lb of DuPont™ VELPAR® DF per acre
as a coarse spray by ground equipment or 5 1/3 to 8 lb per
acre by air (helicopter only). Use enough water for thorough
coverage. For ground equipment, usually a minimum of 25
gal per acre. For aerial equipment, usually a minimum of 10
gal per acre. Higher volumes of water may be needed when
water temperatures are cold or the higher rates of VELPAR®
DF are used.
• Do not use VELPAR® DF on frozen soils.
• Do not use VELPAR® DF on lawns, driveways, tennis courts,
or other residential or recreational areas.
• Weed and brush control results from spring applications
depend on sufficient moisture to activate VELPAR® DF.
• Do not cut treated vegetation for forage or hay nor graze
domestic animals on treated areas for 60 days following
application. For rates above 8 lb per acre, do not cut treated
vegetation for forage or hay nor graze domestic animals for 1
year.
BASAL (SOIL)
SINGLE STEM - Mix 2 2/3 pounds of VELPAR® DF with
sufficient water to make one gallon of suspension and
thoroughly agitate. Apply the VELPAR® DF suspension with
an exact-delivery handgun applicator. This equipment
delivers a thin stream of predetermined volume when
triggered. Apply the VELPAR® DF suspension at the rate of
2 to 4 ml for each inch of stem diameter at breast height.
Direct the treatment to the soil within 3 feet of the root collar
of woody plants to be controlled.
PASTURE
VELPAR® DF is recommended for control of brush and
weeds in pasture.
BERMUDAGRASS/BAHIAGRASS PASTURES
VELPAR® DF is recommended for control of smutgrass and
other weeds in established stands of bermudagrass and
bahiagrass.
For multi-stemmed and low-growing brush that have stem
diameters that are difficult to determine, apply the VELPAR®
DF suspension at the rate of 2 to 4 ml per 3 feet of canopy
width. For tall, slender (columnar) brush types, apply 4 to 8
ml per 3 feet of height. Base the rate on whichever canopy
dimension is greater (width or height).
APPLICATION TIMING
Make a single application of VELPAR® DF per year when
weeds are actively growing.
WEEDS CONTROLLED - USE RATES
When treating brush that requires more than a single delivery
of the VELPAR® DF suspension, apply subsequent deliveries
equally spaced around the target plant. If treating brush on
sloping sites, apply most of the suspension on the uphill side
of the stem. If treating resprouts from brush disturbed by
cutting or other mechanical methods, the rate of application
should be proportional to the original tree size, not just the
size of sprout regrowth.
VELPAR® DF effectively controls the following weeds at the
rates shown. Use a lower rate on coarse-textured soils (sand to
sandy loam). Use the higher rate on fine-textured soils (clay
loam to clay) and on soils high in organic matter.
9/10 - 1 1/2 Lb/Acre
Barnyardgrass
Dogfennel
Fescue
Lespedeza
Little barley
Maypop (passion flower)
Oxalis
LACING/STREAKING - Mix VELPAR® DF with water to
form a concentrated suspension. Apply 5 1/3 to 10 2/3 lbs of
VELPAR® DF per acre. Adjust the application equipment to
deliver a narrow or straight stream spray pattern such that the
swath width on the soil surface is 6 to 12 inches wide. Direct
the spray at the base of the brush. Swaths or treated bands
should be 2 to 4 feet apart.
Pepperweed
Pigweed
Smutgrass*
* Partial control may result with some of the giant (larger)
smutgrass species.
SPRAY EQUIPMENT
Apply VELPAR® DF uniformly over the desired area using
ground equipment only.
USE PRECAUTIONS - NONCROP
• Injury to or loss of desirable trees or other plants may result if
VELPAR® DF is applied or if equipment is drained or
flushed on or near desirable trees or other plants, on areas
where their roots may extend, or in locations where the
chemical may be washed or moved into contact with their
roots.
MIXING INSTRUCTIONS
For ground application, use enough water for thorough
coverage usually a minimum of 25 gal per acre. The use of a
surfactant is not recommended.
USE PRECAUTIONS - PASTURE
• Prevent spray from drifting to desirable plants.
• Poor weed and brush control may result from the following:
–Use on poorly drained sites
• Use VELPAR® DF only in stands of bermudagrass and
bahiagrass established for at least one year. Do not treat
newly sprigged or sodded areas.
–Applications made when the soil is saturated with water and
rain is imminent within 24 hours.
• Some temporary discoloration of the bermudagrass or
bahiagrass may occur after application.
–Applications to soils high in organic matter (greater
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• Treatment of mixed pastures containing forage species
other than bermudagrass or bahiagrass may result in
injury or mortality to the other forage species.
SPRAY EQUIPMENT
AND APPLICATION TECHNIQUES
Basal (Soil)-Mix 2 2/3 pounds of VELPAR® DF with sufficient
water to make one gallon of suspension and thoroughly agitate.
Apply the VELPAR® DF suspension with an exact-delivery
handgun applicator. This equipment delivers a thin stream of
predetermined volume when triggered. Apply the VELPAR®
DF suspension at the rate of 2 to 4 ml for each inch of stem
diameter at breast height. Direct the treatment to soil within 3
inches of the root collar of woody plants to be controlled. When
treating large stems and when more than one delivery of the
VELPAR® DF suspension is needed per stem, make
• Injury may result when desirable grasses are under stress
from drought, insects, disease, cold temperature, or poor
fertility.
• Injury to or loss of desirable trees or other plants may
result if DuPont™ VELPAR® DF is applied or if
equipment is drained or flushed on or near desirable trees
or other plants, on areas where their roots may extend, or
in locations where the chemical may be washed or moved
into contact with their roots.
applications on opposite sides of the stem. Do not apply more
than 1/3 gallon of the VELPAR® DF suspension per acre per
year. Intermittent agitation may be required to maintain the
VELPAR® DF in suspension.
• Severe crop injury may occur if applications are made on
gravelly or rocky soils, thinly covered subsoils, or soils
with less than 1% organic matter.
• For broadcast pasture applications of VELPAR® DF, do not
cut treated vegetation for forage or hay nor graze domestic
animals on treated areas for 60 days.
USE PRECAUTIONS
- PASTURE /RANGELAND
• Injury to or loss of desirable trees or other plants may result if
VELPAR® DF is applied or if equipment is drained or
flushed on or near desirable trees or other plants, on areas
where their roots may extend, or in locations where the
chemical may be washed or moved into contact with their
roots.
BRUSH CONTROL
PASTURE/RANGELAND
VELPAR® DF is recommended for the control of
undesirable woody plants in pasture or rangeland.
• Poor weed and brush control may result from the following:
–Use on poorly drained sites
APPLICATION TIMING
Apply VELPAR® DF from late winter through summer,
pre-budbreak until new growth hardens off.
–Applications made when the soil is saturated with water and
rain is imminent within 24 hours
In areas where the soil remains frozen during the winter and
spring rains are usually inadequate for soil activation, a fall
or winter treatment may be applied before the soil freezes.
–Applications to soils high in organic matter (greater
than 5%)
• Following mechanical cutting or clearing, allow stumps and
injured trees sufficient time to adequately resprout before
applying VELPAR® DF.
WOODY PLANTS CONTROLLED
VELPAR® DF is recommended for the control or
suppression of the following species:
• Do not use VELPAR® DF on frozen soils.
• Weed and brush control results depend on sufficient moisture
to activate VELPAR® DF.
Alder
Manzanita
Mesquite
American elm
Ash
• When VELPAR® DF is applied as a basal soil treatment,
there is no restriction on grazing by domestic animals nor on
cutting surrounding vegetation for forage or hay.
Mulberry
Aspen
Balsam poplar
Birch
Multiflora rose
Myrtle
Oaks
• For broadcast pasture applications of VELPAR® DF, do not
cut treated vegetation for forage or hay nor graze domestic
animals on treated areas for 60 days.
Black cherry
Blackgum
Catclaw acacia
Chinaberry*
Chinese elm
Chinese tallow
Deerbrush
Dogwood
Eastern red cedar*
Hackberry
Hawthorne
Hazel
Osage orange
Persimmon
Privet
Red maple
Sassafras*
Small soapweed
Snowbrush
Sourwood
Sumac
ADDITIONAL USE INFORMATION
SPRAY DRIFT MANAGEMENT
The interaction of many equipment- and weather-related factors
determines the potential for spray drift. The applicator is
responsible for considering all these factors when making
application decisions. Avoiding spray drift is the responsibility
of the applicator.
Sweet bay
Sweet gum
Whitebrush
Whitehorn
Wild plum
Willow
Hickory
Huisache
Juniper
IMPORTANCE OF DROPLET SIZE
Locust
Yellow poplar
The most effective way to reduce drift potential is to apply large
droplets (greater than 150–200 microns). The best drift
management strategy is to apply the largest droplets that provide
sufficient coverage and control. The presence of sensitive
species nearby, the environmental conditions, and pest pressure
may affect how an applicator balances drift control and
coverage. Applying larger droplets reduces drift potential, but
Lotebush
*
Partial control.
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will not prevent drift if applications are made improperly or
under unfavorable environmental conditions! See the Wind,
Temperature and Humidity, and Temperature Inversions sections
below.
move laterally in a concentrated cloud. Surface inversions are
characterized by increasing temperature with altitude and are
common on nights with limited cloud cover and light to no
wind. They begin to form as the sun sets and often continue
into the morning. Their presence can be indicated by ground
fog; however, if fog is not present, inversions can also be
identified by the movement of smoke from a ground source or
an aircraft smoke generator. Smoke that layers and moves
laterally in a concentrated cloud (under low wind conditions)
indicates a surface inversion, while smoke that moves upward
and rapidly dissipates indicates good vertical air mixing.
CONTROLLING DROPLET SIZE
- GENERAL TECHNIQUES
• Volume - Use high flow rate nozzles to apply the highest
practical spray volume. Nozzles with higher rated flows
produce larger droplets.
• Pressure - Use the lower spray pressures recommended for the
nozzle. Higher pressure reduces droplet size and does not
improve canopy penetration. When higher flow rates are
needed, use a higher-capacity nozzle instead of increasing
pressure.
SHIELDED SPRAYERS
Shielding the boom or individual nozzles can reduce the
effects of wind. However, it is the responsibility of the
applicator to verify that the shields are preventing drift, and
• Nozzle Type - Use a nozzle type that is designed for the
intended application. With most nozzle types, narrower spray
angles produce larger droplets. Consider using low-drift
nozzles.
not interfering with uniform deposition of the product.
SPRAY TANK CLEAN OUT
CONTROLLING DROPLET SIZE - AIRCRAFT
Thoroughly clean all traces of DuPont™ VELPAR® DF
from application equipment immediately after use. Flush the
tank, pump, hoses, and boom with several changes of water
after removing nozzle tips and screens (clean these parts
separately). Dispose of the equipment wash water by
applying it to a use-site listed on this label.
• Number of Nozzles - Use the minimum number of
nozzles with the highest flow rate that provide uniform
coverage.
• Nozzle Orientation - Orienting nozzles so that the spray is
emitted backwards, parallel to the airstream will produce
larger droplets than other orientations.
• Nozzle Type - Solid stream nozzles (such as disc and core
with swirl plate removed) oriented straight back produce
larger droplets than other nozzle types.
STORAGE AND DISPOSAL
Do not contaminate water, food, or feed by storage or
disposal.
BOOM LENGTH AND HEIGHT
Pesticide Storage: Store product in original container
only. Store in a cool, dry place.
• Boom Length (aircraft) - The boom length should not
exceed 3/4 of the wing length, using shorter booms decreases
drift potential. For helicopters use a boom length and position
that prevents droplets from entering the rotor vortices.
Pesticide Disposal: Waste resulting from the use of
this product may be disposed of on site or at an
approved waste disposal facility.
• Boom Height (aircraft) - Application more than 10 feet
Container Disposal: For Plastic Containers: Triple
rinse (or equivalent). Then offer for recycling or
reconditioning, or puncture and dispose of in a
sanitary landfill, or incineration, or, if allowed by State
and local authorities, by burning. If burned, stay out of
smoke. For Fiber Sacks: Completely empty fiber
sack by shaking and tapping sides and bottom to
loosen clinging particles. Empty residue into manufac-
turing or application equipment. Then dispose of sack
in a sanitary landfill or by incineration if allowed by
State and local authorities. For Fiber Drums With
Liners: Completely empty liner by shaking and
tapping sides and bottom to loosen clinging particles.
Empty residue into application equipment. Then
dispose of liner in a sanitary landfill or by incineration
if allowed by State and local authorities. If drum is
contaminated and cannot be reused, dispose of in the
same manner. For Paper and Plastic Bags:
above the canopy increases the potential for spray drift.
• Boom Height (ground) Setting the boom at the lowest
labeled height (if specified) which provides uniform coverage
reduces the exposure of droplets to evaporation and wind.
The boom should remain level with the crop and have
minimal bounce.
WIND
Drift potential increases at wind speeds of less than 3 mph (due
to variable direction and inversion potential) or more than 10
mph. However, many factors, including droplet size and
equipment type determine drift potential at any given wind
speed. AVOID GUSTY OR WINDLESS CONDITIONS.
Note: Local terrain can influence wind patterns. Every
applicator should be familiar with local wind patterns and how
they effect spray drift.
TEMPERATURE AND HUMIDITY
Completely empty bag into application equipment.
Then dispose of empty bag in a sanitary landfill or by
incineration, or, if allowed by State and local
When making applications in hot and dry conditions, set up
equipment to produce larger droplets to reduce effects of
evaporation.
authorities, by burning. If burned, stay out of smoke.
SURFACE TEMPERATURE INVERSIONS
NOTICE TO BUYER: Purchase of this material does not
confer any rights under patents of countries outside of the
United States.
Drift potential is high during a surface temperature inversion.
Surface inversions restrict vertical air mixing, which causes
small suspended droplets to remain close to the ground and
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The DuPont Oval, DuPont™ and VELPAR® are trademarks
or registered trademarks of E. I. duPont de Nemours and
Company
“Microcel E” is a trademark of Johns Manville Product
Corporation
“HiSil 233” is a trademark of Pittsburg Plate Glass
“Tordon 101” is a registered trademark of Dow AgroSciences
“Direx”, “Karmex” are trademarks of Griffin LLC
LIMITATION OF
WARRANTY AND LIABILITY
NOTICE: Read This Limitation of Warranty and
Liability Before Buying or Using This Product. If the
Terms Are Not Acceptable, Return the Product at Once,
Unopened, and the Purchase Price Will Be Refunded.
It is impossible to eliminate all risks associated with the
use of this product. Such risks arise from weather
conditions, soil factors, off target movement, unconven-
tional farming techniques, presence of other materials,
the manner of use or application, or other unknown
factors, all of which are beyond the control of DuPont.
These risks can cause: ineffectiveness of the product;
crop injury, or; injury to non-target crops or plants.
SL - 919 020404 01-28-04
DuPont does not agree to be an insurer of these risks.
WHEN YOU BUY OR USE THIS PRODUCT, YOU
AGREE TO ACCEPT THESE RISKS.
DuPont warrants that this product conforms to the
chemical description on the label thereof and is
reasonably fit for the purpose stated in the Directions for
Use, subject to the inherent risks described above, when
used in accordance with the Directions for Use under
normal conditions.
DUPONT MAKES NO OTHER EXPRESS OR
IMPLIED WARRANTY OF FITNESS OR OF
MERCHANTABILITY OR ANY OTHER EXPRESS
OR IMPLIED WARRANTY.
IN NO EVENT SHALL DUPONT OR SELLER BE
LIABLE FOR ANY INCIDENTAL,
CONSEQUENTIAL OR SPECIAL DAMAGES
RESULTING FROM THE USE OR HANDLING OF
THIS PRODUCT. BUYER'S OR USER'S
BARGAINED-FOR EXPECTATION IS CROP
PROTECTION. THE EXCLUSIVE REMEDY OF THE
USER OR BUYER AND THE EXCLUSIVE
LIABILITY OF DUPONT OR SELLER, FOR ANY
AND ALL CLAIMS, LOSSES, INJURIES OR
DAMAGES (INCLUDING CLAIMS BASED ON
BREACH OF WARRANTY OR CONTRACT,
NEGLIGENCE, TORT OR STRICT LIABILITY),
WHETHER FROM FAILURE TO PERFORM OR
INJURY TO CROPS OR OTHER PLANTS, AND
RESULTING FROM THE USE OR HANDLING OF
THIS PRODUCT, SHALL BE THE RETURN OF THE
PURCHASE PRICE OF THE PRODUCT, OR AT THE
ELECTION OF DUPONT OR SELLER, THE
REPLACEMENT OF THE PRODUCT.
DuPont or its Ag Retailer must have prompt notice of
any claim so that an immediate inspection of buyer's or
user's growing crops can be made. Buyer and all users
shall promptly notify DuPont or a DuPont Ag Retailer of
any claims, whether based on contract, negligence, strict
liability, other tort or otherwise or be barred from any
remedy.
This Limitation of Warranty and Liability may not be
amended by any oral or written agreement.
For product information call: 1-888-6-DUPONT
© 1998-2004 E. I. du Pont de Nemours and Company, Wilmington, Delaware 19898.
All rights reserved.
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