From labels and weed guides
Group 2 herbicides for northern jointvetch in rice
There are 6 Group 2 active-ingredient groups rated good or excellent for northern jointvetch in rice, with products labeled for rice.
Group 2 mode of action (MOA) options
Group 2 is a herbicide mode of action (MOA) group. Treat it as one resistance-management check, not as the whole program.
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, 6 active-ingredient groups are rated good or excellent for northern jointvetch in rice.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| Arroz 80 EPA 5481-649; same active ingredients on 5 other branded products | bispyribac | 2 | Ms Weed Guide 2025, ms rice post before flood: G (PDF) |
| Gambit EPA 81880-27-10163 | halosulfuron-methyl and prosulfuron | 2 | Ms Weed Guide 2025, ms rice pre: G (PDF); Ms Weed Guide 2025, ms rice post before flood: G (PDF) |
| League EPA 59639-166 | imazosulfuron | 2 | Ms Weed Guide 2025, ms rice pre: G (PDF); Ms Weed Guide 2025, ms rice post before flood: G (PDF); WinField Crop Protection 2026, rice: E (PDF); WinField Crop Protection 2026, rice: G (PDF) |
| Permit Plus EPA 81880-26-10163 | halosulfuron-methyl and thifensulfuron | 2 | Ms Weed Guide 2025, ms rice post before flood: G (PDF) |
| STRADA EPA 71711-44 | orthosulfamuron | 2 | Ms Weed Guide 2025, ms rice post before flood: E (PDF); WinField Crop Protection 2026, rice: E (PDF) |
| STRADA PRO EPA 71711-47 | halosulfuron-methyl and orthosulfamuron | 2 | Ms Weed Guide 2025, ms rice post before flood: 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.
Build the full program
Check crop, timing, state, resistance, and rotation in one plan before you make a recommendation.
Sources
Data from current labels and weed guides. Last source update: 2026-07-14.