Herbicide label
WAPC 2,4-D Amine 4
WAPC 2,4-D Amine 4 (EPA 81927-38-92735) is a Group 4 2,4-d herbicide labeled for 16 crops. The label lists 158 controlled weeds, plus partial-control, suppression, and partner-control categories.
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WAPC 2,4-D Amine 4 label facts
- Product WAPC 2,4-D Amine 4
- EPA Reg. No. 81927-38-92735
- Distributor Westlink AG Products Company, LLC
- Active ingredient 2,4-d
- MOA group 4
Crops on the WAPC 2,4-D Amine 4 label
WAPC 2,4-D Amine 4 is labeled for these 16 crops and uses, per the EPA label.
- field corn
- soybean
- wheat
- barley
- sorghum
- rice
- sweet corn
- popcorn
- oats
- cereal rye
- spring wheat
- winter wheat
- durum wheat
- sugarcane
- fallow
- grass seed
Need the rate or timing for one of these? Filter every label by your crop, free.
Weeds on the WAPC 2,4-D Amine 4 label
The WAPC 2,4-D Amine 4 label names 162 weeds and rates each by how the product handles it: full control, partial control, suppression, or control with a tank-mix partner. A weed can fall at more than one level, because control varies by crop, rate, and timing.
Controls
full control158- alfalfa
- alligatorweed
- annual broadleaf weeds
- annual grasses
- annual weeds
- arrowhead
- artichoke
- aster
- austrian fieldcress
- beggartick
- biden
- biennial broadleaf weeds
- bindweed, hedge
- bindweed, field
- bittercress
- bittercress, small-flowered
- sneezeweed, bitter
- bitter wintercress
- blackeyed susan
- blessed thistle
- blue lettuce
- box elder
- broadleaf cover crops
- broadleaf weeds
- broomweed
- buckhorn
- bullnettle
- bulrush
- burdock
- ragweed, bur
- buttercup
- thistle, canada
- carolina geranium
- carpetweed
- catnip
- chickweed
- chicory
- cinquefoil
- cinquefoil, common and rough
- clover, red
- cockle
- cocklebur, common
- coffee bean
- coffeeweed
- common sowthistle
- creeping jenny
- croton
- curly indigo
- dandelion
- devil's claw
- dock
- dogbane
- eveningprimrose, cutleaf
- flea bane (daisy)
- flixweed
- pusley, florida
- frenchweed
- galinsoga
- garlic, wild
- goatsbeard
- goldenrod
- goosefoot
- ground ivy
- gumweed
- heal-all
- hemp
- henbit
- hoary cress
- honeysuckle
- horsetail
- horseweed or marestail
- indigo
- indiana mallow
- ironweed
- jerusalem artichoke
- jewelweed
- jimsonweed
- johnsongrass, seedling
- kochia
- knotweed
- lambsquarters
- lambsquarters, common
- prickly lettuce
- locoweed
- lupine
- mallow
- many flowered aster
- marijuana
- marshelder
- mexican weed
- morningglory
- morning glory, annual
- mousetail
- muskthistle
- mustard
- mustard, wild
- nettle
- nutgrass
- onion, wild
- orange hawkweed
- parrot feather
- parsnip
- pennycress, field
- pennywort
- pepperweed
- pigweed
- plantain
- poison hemlock
- poison ivy
- pokeweed, common
- poorjoe
- povertyweed
- primrose
- puncture vine
- purslane
- purslane, common
- ragweed, giant
- ragweed, common
- rush
- thistle, russian
- st. johnswort
- salsify
- shepherd's-purse
- sicklepod
- smartweed
- southern wild rose
- sowthistle
- sowthistle, annual
- spanishneedle
- speedwell
- stinging nettle
- stinkweed
- sunflower
- sweetclover
- tanweed
- tarweed
- thistle
- thistle, bull
- toadflax
- tumbleweed
- velvet leaf
- vervain
- vetch
- copperleaf, virginia
- virginia creeper
- water plantain
- water primrose
- water shield
- carrot, wild
- wild lettuce
- parsnip, wild
- radish, wild
- wild rape
- wild strawberry
- sweet potato, wild
- witchweed
- wormseed
- rocket, yellow
Partial control
partial10- alfalfa
- bindweed, hedge
- clover, red
- dandelion
- garlic, wild
- onion, wild
- peppergrass
- smartweed, pennsylvania
- thistle, canada
- vetch, hairy
Suppression
suppression1- perennial weeds
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WAPC 2,4-D Amine 4 rates and plant-back
The label answers both with a table, not a single number. Here is what drives each answer.
Application rate
Your rate depends on your crop.
Get the rate for your field: build a program and FieldMarshal gives you the exact per-acre rate for your crop from the label line.
Plant-back and rotation
Your interval depends on your application rate and the rotational crop.
Get the interval for your rotation: build a program and FieldMarshal gives you the exact plant-back for your rotational crop from the label line.
WAPC 2,4-D Amine 4 FAQ
What weeds does WAPC 2,4-D Amine 4 control?
The WAPC 2,4-D Amine 4 label names 162 weeds, including alfalfa, alligatorweed, annual broadleaf weeds, annual grasses, annual weeds, and arrowhead. Control varies by crop, rate, and timing.
What crops is WAPC 2,4-D Amine 4 labeled for?
WAPC 2,4-D Amine 4 is labeled for 16 crops and uses, including field corn, soybeans, wheat, barley, and sorghum.
What is the active ingredient in WAPC 2,4-D Amine 4? Is it a generic?
WAPC 2,4-D Amine 4's active ingredient is 2,4-d (MOA Group 4). Other products list the same active ingredient; rates, formulations, and labeled crops differ — verify each on its own label.
What's the plant-back interval after WAPC 2,4-D Amine 4?
It depends on your rotational crop, application rate, and region, so the label gives a table, not one number. Build a program and FieldMarshal gives you the exact interval for your rotation from the label line, so you can verify it.
Build a program →Can I tank-mix WAPC 2,4-D Amine 4?
It depends on your target weeds, crop stage, and which partners the label approves. Build a program and FieldMarshal checks the label for approved partners and gives the condition on each, so you can verify it.
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Sources
Last updated 2026-07-14.