Herbicide label
WEEDESTROY AM-40 Herbicide Label
WEEDESTROY AM-40 (EPA 228-145) is a Group 4 2,4-d herbicide labeled for 15 crops. The label lists 71 controlled weeds, plus partial-control, suppression, and partner-control categories.
WEEDESTROY AM-40 label facts
- Product WEEDESTROY AM-40
- EPA Reg. No. 228-145
- Registrant Nufarm Americas, Inc.
- Active ingredient 2,4-d
- MOA group 4
Crops on the WEEDESTROY AM-40 label
WEEDESTROY AM-40 is labeled for these 15 crops and uses, per the EPA label.
Weeds on the WEEDESTROY AM-40 label
The WEEDESTROY AM-40 label names 74 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 control71- jerusalem artichoke
- aster, many flowered
- beggarticks
- bittercress, small-flowered
- burdock
- buttercup, smallflowered
- carrot, wild
- catnip
- chicory
- cinquefoil, common
- cinquefoil
- cocklebur, common
- coffeeweed
- copperleaf, virginia
- dandelion
- dock
- dogbane
- evening primrose, common
- eveningprimrose, cutleaf
- fleabane, rough
- galinsoga, hairy
- garlic, wild
- carolina geranium
- goldenrod
- ground ivy
- hawkweed, orange
- heal-all
- hoary cress
- horseweed
- jimsonweed
- knotweed
- lambsquarters, common
- lettuce, blue
- prickly lettuce
- lettuce, wild
- mallow, little
- mallow, venice
- marshelder
- milfoil, water
- morningglory, common
- morningglory, ivy
- morningglory, woolly
- mustard
- mustard, wild
- nettle
- stinging nettle
- onion, wild
- parsnip, wild
- pennycress, field
- pepperweed
- pigweed
- plantain
- purslane, common
- ragweed, common
- ragweed, giant
- salsify, common
- salsify, western
- smartweed
- sowthistle, annual
- sowthistle, perennial
- sowthistle, spiny
- speedwell
- sunflower
- thistle, bull
- thistle, canada
- thistle, musk
- thistle, russian
- velvetleaf
- vervain
- vetch
- plantain, common water
Partial control
partial2- alfalfa
- clover, red
Suppression
suppression1- bullnettle
WEEDESTROY AM-40 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.
WEEDESTROY AM-40 FAQ
What weeds does WEEDESTROY AM-40 control?
The WEEDESTROY AM-40 label names 74 weeds, including jerusalem artichoke, many flowered aster, beggarticks, small-flowered bittercress, burdock, and smallflowered buttercup. Control varies by crop, rate, and timing.
What crops is WEEDESTROY AM-40 labeled for?
WEEDESTROY AM-40 is labeled for 15 crops and uses, including field corn, soybeans, wheat, barley, and sorghum.
What is the active ingredient in WEEDESTROY AM-40? Is it a generic?
WEEDESTROY AM-40'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.
Sources
Last updated 2026-09-30.