PCP #31156 · Corteva Agriscience Canada Company · Herbicide
Group 2 imidazolinone herbicide (imazethapyr 240 g/L soluble concentrate) for selective control of annual grass and broadleaf weeds in soybeans, edible beans, peas, alfalfa and chickling vetch. Commercial agricultural use; ground application only.
Crop × pest × application rate combinations from the official label. Rates converted to per-acre. PHI is the pre-harvest interval; REI is the restricted-entry interval. Always confirm against the official label PDF before applying.
| Crop | Target | Rate | PHI | REI |
|---|---|---|---|---|
| Alfalfa | Annual grass and broadleaf weeds | 126–170 mL/acre | – | 12 d |
| Alfalfa | Labelled weeds | 85 mL/acre | 14 d | 12 d |
| Alfalfa | Stinkweed, wild mustard, volunteer canola, redroot pigweed and suppression of green foxtail | 85 mL/acre | – | 12 d |
| Bean | Annual grass and broadleaf weeds | 126 mL/acre | 100 d | 12 d |
| Bean | Annual grass and broadleaf weeds | 126 mL/acre | 100 d | 12 d |
| Bean | Annual grass and broadleaf weeds | 126 mL/acre | 90 d | 12 d |
| Bean | Annual grass and broadleaf weeds | 126 mL/acre | 40 d | 12 d |
| Bean | Hairy nightshade | 85 mL/acre | 75 d | 12 d |
| Chickling Vetch | Labelled weeds | 85 mL/acre | 60 d | 12 d |
| Dry Bean | Annual grass and broadleaf weeds | 126 mL/acre | 100 d | 12 d |
| Field Pea |
| Chickweed, green foxtail, redroot pigweed, stinkweed, volunteer canola, wild mustard, cleavers, hemp-nettle, shepherd's purse, smartweed, wild buckwheat (suppression only), wild oats (apply at 2-4 leaf stage of the weed) |
| 85 mL/acre |
| 60 d |
| 12 d |
| Pea | Annual grass and broadleaf weeds | 126 mL/acre | 50 d | 12 d |
| Pea | Annual grass and broadleaf weeds | 126 mL/acre | 60 d | 12 d |
| Soybean | Annual grass and broadleaf weeds | 126 mL/acre | 100 d | 12 d |
| Soybean | Annual grass and broadleaf weeds | 85 mL/acre | 85 d | 12 d |
| Soybean | Annual grass and broadleaf weeds (including lamb's quarters, redroot pigweed, smartweed, lady's thumb, wild mustard, velvetleaf, common ragweed, eastern black nightshade, foxtail, barnyard grass, old witchgrass; partial control of proso millet) | 126–170 mL/acre | 100 d | 12 d |
| Soybean | Annual grass and broadleaf weeds (including lamb's quarters, redroot pigweed, smartweed, lady's thumb, wild mustard, velvetleaf, foxtail, barnyard grass, old witchgrass; partial control of proso millet) | 170 mL/acre | 100 d | 12 d |
| Soybean | Annual grass and broadleaf weeds (including lamb's quarters, redroot pigweed, wild mustard, eastern black nightshade, green and yellow foxtail; partial control of common ragweed, barnyard grass and proso millet) | 126 mL/acre | 100 d | 12 d |
| Soybean | Annual grass and broadleaf weeds (including redroot pigweed, velvetleaf, foxtail, barnyard grass; early post also cocklebur, wild buckwheat, eastern black nightshade; partial control of proso millet, large crabgrass and yellow nutsedge) | 126–170 mL/acre | 100 d | 12 d |
| Soybean | Emerged annual grass and broadleaf weeds (before the 2 true leaf stage; partial control of proso millet) | 170 mL/acre | 100 d | 12 d |
Adjuvant requirements, compatibility notes, and mixing restrictions from the official label. Always confirm against the official label PDF before mixing.
| Guidance | Adjuvant | Rate |
|---|---|---|
| Required | AGRAL® 90, AG-SURF® A NONIONIC SURFACTANT CONTAINING AT LEAST 80% ACTIVE INGREDIENT (e.g. AGRAL® 90, AG-SURF®) at the rate of 0.25% (v/v) MUST BE ADDED to the spray solution (2.5 L of surfactant per 1000 L of spray solution). | 0.25% v/v (2.5 L of surfactant per 1000 L of spray solution) |
| Required | NIS (non-ionic surfactant) 420 mL/ha + non-ionic surfactant. Nonionic surfactant MUST BE ADDED. | 0.25% v/v (2.5 L/1000 L of spray solution) |
| Required | NIS (non-ionic surfactant) plus liquid fertilizer Addition to the spray solution of a non-ionic surfactant plus liquid fertilizer is essential for post-emergent application, improving uptake of the product by weeds resulting in improved herbicidal activity. | NIS - 0.25% v/v (2.5 L/1000 L); liquid fertilizer (10-34-0, 28-0-0 or 32-0-0) - 2 L/ha |
| Required | NIS (non-ionic surfactant) plus fertilizer solution For Imazethapyr 240 SL plus BASAGRAN herbicide, a non-ionic surfactant at the rate of 0.25% (v/v) and fertilizer solution at the rate of 2 L/ha MUST BE ADDED to the spray solution. | NIS at 0.25% v/v; fertilizer solution at 2 L/ha |
| Required | fertilizer solution For Imazethapyr 240 SL plus BASAGRAN FORTE herbicide, only fertilizer solution MUST BE ADDED at the rate of 2 L/ha. | 2 L/ha |
| Required | NIS (non-ionic surfactant) plus fertilizer solution A non-ionic surfactant at the rate of 0.25% (v/v) MUST BE ADDED to the spray solution... Fertilizer Solutions MUST BE ADDED to the spray solution at the rate of 2 L/ha to provide quicker burndown of weeds. | NIS at 0.25% v/v (2.5 L/1000 L); fertilizer solution at 2 L/ha |
| Required | NIS (non-ionic surfactant) 50 g a.e./ha plus non-ionic surfactant at 0.25% v/v | 0.25% v/v |
| Recommended | liquid fertilizer Liquid fertilizer added to the spray solution will provide quicker burndown of weed; Liquid fertilizer solution - 2 L/ha | 2 L/ha |
| Recommended | refer to ROUNDUP label Refer to the ROUNDUP herbicide label for adjuvant recommendations. | – |
About this content. This page presents the official PRD label as published by Health Canada's Pesticides Regulatory Directorate (formerly the Pest Management Regulatory Agency), the source of record. Always read the official label and consult your provincial pesticide- application authority before use. Report an error.