Herbicide label
Defy LV-4 Herbicide Label
Defy LV-4 (EPA 66222-219) is a Group 4 2,4-d herbicide labeled for 12 crops. The label lists 60 controlled weeds, plus partial-control, suppression, and partner-control categories.
Defy LV-4 label facts
- Product Defy LV-4
- EPA Reg. No. 66222-219
- Registrant Makhteshim Agan of North America, Inc. d/b/a ADAMA
- Active ingredient 2,4-d
- MOA group 4
Crops on the Defy LV-4 label
Defy LV-4 is labeled for these 12 crops and uses, per the EPA label.
Weeds on the Defy LV-4 label
The Defy LV-4 label names 92 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 control60- sneezeweed, bitter
- burdock
- buttercup, smallflowered
- carpetweed
- cocklebur, common
- coffeeweed
- croton, Texas
- croton, woolly
- flixweed
- galinsoga
- hemp, wild
- jewelweed
- jimsonweed
- knotweed
- kochia
- lambsquarters, common
- lettuce, wild
- lupines
- marshelder
- morning glory, annual
- morningglory, ivy
- morningglory, woolly
- mustards (except blue mustard)
- parsnip, wild
- pennycress (fanweed)
- pigweeds (Amaranthus spp.)
- poorjoe
- primrose, common
- pusley, florida
- radish, wild
- ragweed, common
- ragweed, giant
- rape, wild
- rocket, yellow
- shepherd's-purse
- sicklepod
- sowthistle, annual
- sowthistle, spiny
- needles, spanish
- sunflower
- sweetclover
- tansymustard
- thistle, bull
- velvetleaf
- jerusalem artichoke
- blue lettuce
- blueweed, texas
- broomweed, annual
- catnip
- chicory
- clover, red
- goldenrod
- healal
- loco, bigbend
- pennywort
- plantain
- sowthistle, perennial
- wormwood
- garlic, wild
- onion, wild
Partial control
partial32- beggarticks
- bittercress, small-flowered
- broomweed, common
- cinquefoil, common
- cinquefoil
- prickly lettuce
- mallow, little
- mallow, venice
- pepperweeds (Lepidium spp.)
- smartweed (annual species)
- salsify, common
- salsify, western
- thistle, musk
- thistle, Russian (tumbleweed)
- alfalfa
- aster, many-flower
- Austrian fieldcress
- bindweed, hedge
- bindweed, field
- bindweed, European
- bullnettle
- carrot, wild
- hoary cress
- dandelion
- docks
- dogbanes
- hawkweed, orange
- ground ivy
- nettles (including stinging)
- ragwort, tansy
- thistle, canada
- vervains
Defy LV-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.
Defy LV-4 FAQ
What weeds does Defy LV-4 control?
The Defy LV-4 label names 92 weeds, including bitter sneezeweed, burdock, smallflowered buttercup, carpetweed, common cocklebur, and coffeeweed. Control varies by crop, rate, and timing.
What crops is Defy LV-4 labeled for?
Defy LV-4 is labeled for 12 crops and uses, including field corn, soybeans, wheat, barley, and sorghum.
What is the active ingredient in Defy LV-4? Is it a generic?
Defy LV-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.
Sources
Last updated 2026-09-30.