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NOTE: Severe alfalfa injury may result following
application, if after cutting the regrowth is more than 2
i
nches high, or there is significant stubble left after cutting
or grazing, or the air temperature is above 90 °F.
DORMANT VARIETIES
M
ake a single application of DuPont™ VELPAR® DF after
alfalfa becomes dormant and before new growth exceeds 2
inches in height in the spring. Where weeds have emerged,
use a surfactant.
USE RATES
Use higher rates on hard-to-control species, (see Weeds
Controlled section below) 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.
For dormant alfalfa, use a surfactant approved for crops at
the rate of 0.25% v/v (1 quart per 100 gallons of spray
solution).
Select the appropriate rate for soil texture and organic
matter content as follows:
VELPAR® DF (Lb/Acre)
Percent Organic Matter in Soil
Soils <1% 1–5% >5%
Coarse Texture
Loamy sand,
sandy loam 2/3 - 1 2/3 - 1 1 1/3 -2
Medium Texture
Loam, silt loam
silt, clay loam,
sandy clay loam 2/3 - 1 1 - 2 1 1/3 - 2
FineTexture
Silty clay loam,
sandy clay,
silty clay, clay 1 - 2 1 - 2 1 1/3 - 2
NOTE:
- In the states of MT, ND, SD, and WY, do not exceed a use rate of
1 1/3 pounds per acre on medium and fine textured soils.
- In the state of Montana (MT), do not apply to soils with less than
1.5% or
g
anic ma
tter
.
-
In the sta
te of W
y
oming (WY):
Do not appl
y to soils with less than 0.5% org
anic ma
tter.
A
ppl
y to irr
ig
a
ted alf
alfa onl
y.
WEEDS CONTROLLED
VELPAR® DF, when applied preemergence or early
postemer
g
ence at the following rates, is recommended for
the control or suppr
ession of the f
ollo
wing species in alf
alfa
cr
ops:
1/3 - 2/3 Lb/Acre
2/3 - 1 1/3 Lb/Acre
1 1/3 - 2 Lb/Acre
*
Suppression - a visible reduction in plant population and/or
plant vig
or as compared to an untreated area and generally not
accepted as control.
VELP
AR® DF, when applied in late spring or after cutting
at the following rates, will control these species listed
below:
2/3 - 2 Lb/Acre
SPRAY EQUIPMENT
A
ppl
y VELPAR® DF using a fixed boom power sprayer or
aer
ial equipment.
F
or ground applications apply in a minimum of 20 gallons
of spr
a
y solution per acr
e and b
y air in a minimum of 5
gallons.
Crabgrass Digitaria spp
Fleabane Conyza spp
Foxtail Setaria spp.
Jimsonweed Datura stramonium
Lambsquarters, common Chenopodium album
Pigweed, redroot Amaranthus retroflexus
Alfalfa* (seedling) Medicago sativa
Barley, foxtail (seedling) Hordeum jubatum
Bluegrass, perennial* (spring only) Poa spp
Cockle, white* Melandrium album
Dandelion, common* Taraxacum officinale
Dandelion, false* (spotted catsear) Hypochaeris radicata
Foxtail* Setaria spp
Kochia Kochia scoparia
Lambsquarters, common Chenopodium album
Lettuce, prickly* Lactuca serriola
Mallow, common Malva neglecta
Ryegrass, Italian (annual) Lolium multiflorum
Quackgrass* Elytrigia repens
Speedwell, ivyleaf Veronica hederaefolia
Tea, Mexican* Chenopodium
ambrosioides
Thistle, Canada (seedling) Cirsium arvense
Thistle, Russian Salsola iberica
B
luegrass, annual
P
oa annua
B
rome, downy (cheatgrass)
B
romus tectorum
B
uckwheat, wild
P
olygonum convolvulus
C
atchfly, English
S
ilene gallica
C
hamomile, mayweed (dogfennel)
A
nthemis cotula
C
hickweed, common
S
tellaria media
F
iddleneck, tarweed
A
msinckia lycopsoides
F
ilaree
E
rodium sp.
F
lixweed
D
escurainia Sophia
G
roundsel, common
S
enecio vulgaris
H
enbit*
L
amium amplexicaule
L
ettuce, Miner’s
M
ontia perfoliata
M
ustard, blue
C
horispora tenella
M
ustard, Jim Hill (tumble)
S
isymbrium altissimum
M
ustard, wild
B
rassica kaber
O
rchardgrass (seedling)
D
actylis glomerata
P
ennycress, field
T
hlaspi arvense
Pigweed, redroot Amaranthus retroflexus
Radish, wild Raphanus raphanistrum
Rocket, London Sisymbrium irio
Rocket, common yellow Barbarea vulgaris
Salsify Tragopogon spp.
Shepherdspurse Capsella bursa-pastoris
Speedwell, purslane Veronica peregrina
Spurry, corn Spergula arvensis
Tansymustard Descurainia pinnata
4