DuPont Authentication Velpar L H - 63377 매뉴얼 - 페이지 5
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ALFALFA
VELPAR L is recommended for control of certain weeds in
established alfalfa grown for hay, except in the states of North
Dakota and South Dakota. Do not use on alfalfa grown for
seed in any state except California.
APPLICATION TIMING
NONDORMANT 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:
Arizona
Kansas
California
Montana
Colorado
Nebraska
Idaho
Nevada
In the following states, make a single application either in the
spring before new growth exceeds 2" in height or to stubble
after cutting following hay removal and before regrowth
exceeds 2" in height:
Connecticut
Maine
Delaware
Maryland
Illinois
Massachusetts
Indiana
Michigan
Iowa
Minnesota
Kentucky
Missouri
Severe alfalfa injury may result following application after
cutting if either the regrowth is more than 2" high, significant
stubble is left after alfalfa cutting, or the air temperature is above
90 °F.
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.
For the states of Montana and Wyoming, refer to supplemental
labeling for use directions and precautions.
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 or when weeds are stressed
due to low rainfall.
Select the appropriate dose for soil texture and organic matter
content as follows:
Soil Texture
Percent Organic Matter in Soil
Description
<1%
Coarse
Loamy sand, sandy loam 2–3
Medium
Loam, silt loam silt, clay
loam,sandy clay loam
2–3
Fine
Silty clay loam, sandy
clay, silty clay, clay
3–6
Rate restrictions are also noted in Important Precautions and
Seed Alfalfa (California Only).
New Mexico
Utah
Oklahoma
Washington
Oregon
Wyoming
Texas
New Hampshire Vermont
New Jersey
Virginia
New York
West Virginia
Ohio
Wisconsin
Pennsylvania
Rhode Island
VELPAR L (Pt/Acre)
1–5%
>5%
2–3
4–6
3–6
4–6
3–6
4–6
WEEDS CONTROLLED
VELPAR L, when applied preemergence or early
postemergence at the following rates, will control these
species:
1–2 Pt/Acre
Tansy-mustard
2–4 Pt/Acre
Annual bluegrass
Blue mustard
Cheatgrass (downy brome)
Common chickweed
Common groundsel
Dogfennel (mayweed)
English catchfly
Fiddleneck (tarweed)
Field pennycress
Filaree
Flixweed
4–6 Pt/Acre
Common dandelion*
(i.e. Canada bluegrass)
False dandelion
Foxtail (Setaria spp)*
Mexican tea*
White cockle*
* Partial control
VELPAR L, when applied in late spring or after cutting at
the following rates, will control these species:
2–6 Pt/Acre
Common lambsquarters
Crabgrass
Fleabane
SPRAY EQUIPMENT
Apply VELPAR L using a fixed boom power sprayer or
aerial equipment.
MIXING INSTRUCTIONS
Add VELPAR L 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. Use at least
5 pts of water for every 1 pt of VELPAR L.
3
Jim Hill mustard
London rocket
Miners lettuce
Salsify
Seedling orchardgrass
Shepherd's-purse
Spurry
Tansy-mustard
Wild radish
Yellow rocket
Perennial bluegrass*
(spring only)
Prickly lettuce*
Ryegrass, annual
Quackgrass*
Seedling alfalfa*
Foxtail (Setaria spp.)
Jimsonweed
Redroot pigweed