From labels and weed guides

Best herbicides for redroot pigweed in cotton

For redroot pigweed in cotton, the weed guides list 18 active-ingredient groups rated good or excellent, after checking that the products are labeled for cotton.

Redroot Pigweed control in cotton

Every listed product is labeled for cotton. Ratings are shown when each weed guide that rates this weed stays at good or excellent for the active-ingredient group. If a guide gives a range, the weaker end of the range has to be good or excellent.

Based on 1 weed guide, 18 active-ingredient groups are rated good or excellent for redroot pigweed in cotton, showing the top 12 below.

Example productActive ingredientsMOA groupRatings checked
78623 58% Technical Solution
EPA 524-532; same active ingredients on 84 other branded products
glyphosate9ND Weed Guide 2026: E (PDF)
Actylis Glufosinate 280SL
EPA 2749-637; same active ingredients on 31 other branded products
glufosinate10ND Weed Guide 2026: E (PDF)
Axill Solutions Flumi 51% WDG
EPA 95055-14-93809; same active ingredients on 25 other branded products
flumioxazin14ND Weed Guide 2026: G-E (PDF)
Acumen
EPA 241-337-55467; same active ingredients on 17 other branded products
pendimethalin3ND Weed Guide 2026: E (PDF)
Aceto Trifluralin 4EC
EPA 2749-561; same active ingredients on 13 other branded products
trifluralin3ND Weed Guide 2026: E (PDF)
BLASTWAVE 240 EC
EPA 103087-15; same active ingredients on 13 other branded products
oxyfluorfen14ND Weed Guide 2026: E (PDF)
Bonedry
EPA 82557-1; same active ingredients on 13 other branded products
paraquat22ND Weed Guide 2026: E (PDF)
AIM EC
EPA 279-3241; same active ingredients on 12 other branded products
carfentrazone-ethyl14ND Weed Guide 2026: G (PDF)
Grapple
EPA 71368-121; same active ingredients on 5 other branded products
rimsulfuron2ND Weed Guide 2026: E (PDF)
Harmony GT XP
EPA 279-9577; same active ingredients on 4 other branded products
thifensulfuron2ND Weed Guide 2026: G-E (PDF)
Agent GT
EPA 33270-30; same active ingredients on 3 other branded products
fomesafen and glyphosate9, 14ND Weed Guide 2026: E (PDF)
Arrest CS
EPA 83529-84; same active ingredients on 3 other branded products
acetochlor15ND Weed Guide 2026: G-E (PDF)

Rating legend: E=excellent, G=good, F=fair, P=poor, N=no control. A range such as G-E means the guide gives a range; 'a' after a rating (e.g., Ga) means the guide assumes its recommended additive.

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Sources

Data from current labels and weed guides. Last source update: 2026-07-14.