From labels and weed guides

Best herbicides for fall panicum in rice

For fall panicum in rice, the weed guides list 3 active-ingredient groups rated good or excellent, after checking that the products are labeled for rice.

Fall Panicum control in rice

Every listed product is labeled for rice. 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 2 weed guides, 3 active-ingredient groups are rated good or excellent for fall panicum in rice.

Example productActive ingredientsMOA groupRatings checked
Caravel
EPA 60063-58; same active ingredients on 10 other branded products
clomazone13Ms Weed Guide 2025, ms rice pre: E (PDF); WinField Crop Protection 2026, rice: E (PDF)
Clarice
EPA 83529-120; same active ingredients on 2 other branded products
cyhalofop-butyl1Ms Weed Guide 2025, ms rice post before flood: E (PDF)
Prose
EPA 83529-133; same active ingredients on 2 other branded products
fenoxaprop-p-ethyl1Ms Weed Guide 2025, ms rice post before flood: G (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.