From labels and weed guides

Best herbicides for amania (red stem) in rice

For amania (red stem) in rice, the weed guides list 3 active-ingredient groups rated good or excellent, after checking that the products are labeled for rice.

Amania (red Stem) 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 1 weed guide, 3 active-ingredient groups are rated good or excellent for amania (red stem) in rice.

Example productActive ingredientsMOA groupRatings checked
Basagran
EPA 66330-413; same active ingredients on 9 other branded products
bentazon6WinField Crop Protection 2026, rice: G (PDF)
Loyant
EPA 62719-698; same active ingredients on 1 other branded product
florpyrauxifen-benzyl4WinField Crop Protection 2026, rice: E (PDF)
STRADA
EPA 71711-44
orthosulfamuron2WinField Crop Protection 2026, rice: 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.