Herbicide label
Weld Herbicide Label
Weld (EPA 1381-246) is a Group 4 clopyralid, fluroxypyr 1-methylheptyl ester, and mcpa herbicide labeled for 4 crops. The label lists 66 controlled weeds, plus partial-control, suppression, and partner-control categories.
Weld label facts
- Product Weld
- EPA Reg. No. 1381-246
- Registrant WinField Solutions, LLC
- Active ingredient clopyralid, fluroxypyr 1-methylheptyl ester, and mcpa
- MOA group 4
Crops on the Weld label
Weld is labeled for these 4 crops and uses, per the EPA label.
Weeds on the Weld label
The Weld label names 71 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 control66- alfalfa
- jerusalem artichoke
- bean, volunteer
- bedstraw, catchweed
- black medic
- buckwheat, wild
- buffalobur
- volunteer canola
- chamomile, false
- mayweed, chamomile
- chickweed
- clover, hop
- clover, red
- clover, white
- cocklebur, common
- cornflower
- dandelion
- dock, curly
- dogbane, hemp
- volunteer flax
- flixweed
- hawksbeard, narrowleaf
- hawkweed, orange
- hawkweed, yellow
- horseweed
- jimsonweed
- kochia
- ladysthumb
- lambsquarters, common
- lentil, volunteer
- prickly lettuce
- mallow, common
- mallow, venice
- marshelder
- morning glory
- mustard, tumble
- mustard, wild
- nightshade, black
- nightshade, cutleaf
- nightshade, eastern black
- nightshade, hairy
- pea, volunteer
- pennycress, field
- pigweed, redroot
- pineapple-weed
- puncturevine
- purslane, common
- ragweed, common
- ragweed, giant
- salsify, meadow
- shepherd's-purse
- smartweed, green
- smartweed, pennsylvania
- sowthistle, annual
- starthistle, yellow
- sunflower
- sweetclover
- tansymustard, pinnate
- teasel, common
- thistle, bull
- thistle, canada
- thistle, musk
- thistle, russian
- velvetleaf
- vetch
- wormwood, biennial
Suppression
suppression5- bindweed, field
- horsetail
- knotweed
- potato, volunteer
- sowthistle, perennial
Weld 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.
Weld FAQ
What weeds does Weld control?
The Weld label names 71 weeds, including alfalfa, jerusalem artichoke, volunteer bean, catchweed bedstraw, black medic, and wild buckwheat. Control varies by crop, rate, and timing.
What crops is Weld labeled for?
Weld is labeled for 4 crops and uses, including wheat, barley, oats, and durum wheat.
What is the active ingredient in Weld? Is it a generic?
Weld's active ingredient is clopyralid, fluroxypyr 1-methylheptyl ester, and mcpa (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.