From labels and weed guides
Best herbicides for prickly lettuce in annual ryegrass
For prickly lettuce in annual ryegrass, the weed guides list 2 active-ingredient groups with every rating at least 80% control, after checking that the products are labeled for annual ryegrass.
Prickly Lettuce control in annual ryegrass
Every listed product is labeled for annual ryegrass. Ratings are shown when each weed guide that rates this weed has a lower interval bound of at least 80% control for the active-ingredient group. If a guide gives a range, its lower bound must be at least 80%.
Based on 1 weed guide, 2 active-ingredient groups are rated at least 80% control for prickly lettuce in annual ryegrass.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| Fancy EPA 83529-80; same active ingredients on 4 other branded products | fluroxypyr 1-methylheptyl ester | 4 | ND Weed Guide 2026: E → 90–99% control (PDF) |
| DuPont Express EPA 352-632; same active ingredients on 3 other branded products | tribenuron-methyl | 2 | ND Weed Guide 2026, Q32 rating table, pp. 7, 14: Ga → 80–90% control (PDF) |
Rating bands: E 90-100%, G 80-89%, F 70-79%, P under 70%, N none. Policy intervals are marked in the source ratings. 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. Read the rating method.
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Sources
Data from current labels and weed guides. Last source update: 2026-09-30.