PCP #35736 · Northern CropScience Inc. · Herbicide
Group 2 imidazolinone herbicide (imazethapyr 240 g/L as ammonium salt) for selective broadleaf and grass weed control in soybeans, edible beans, imazethapyr-tolerant corn, peas, alfalfa, and other legumes in Eastern and Western Canada.
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 |
|---|---|---|---|---|
| Adzuki Bean | lamb's-quarters, redroot pigweed, smartweed, lady's-thumb, wild mustard, velvetleaf (C); common ragweed (PC); Eastern black nightshade (C); foxtail green/yellow (C); proso millet (PC) | 0.126 L/acre | 100 d | 12 d |
| Alfalfa | Common groundsel (PC), green smartweed (C), redroot pigweed (C), shepherd's purse (C/PC), stinkweed (C), volunteer canola (C), wild mustard (C), green foxtail (C/PC) | 0.085 L/acre | – | 12 d |
| Alfalfa | Stinkweed, wild mustard, volunteer canola, redroot pigweed and suppression of green foxtail | 0.085 L/acre | – | 12 d |
| Alfalfa | Susceptible broadleaf and grass weeds as in Soybeans alone table | 0.126–0.17 L/acre | – | 12 d |
| Bean | Hairy nightshade | 0.085 L/acre | 75 d | 12 d |
| Bean | Susceptible broadleaf and grass weeds as in Soybeans alone table | 0.126 L/acre | 40 d | 12 d |
| Bean | lamb's-quarters, redroot pigweed, smartweed, lady's-thumb, wild mustard, velvetleaf (C); common ragweed (PC); Eastern black nightshade (C); foxtail green/yellow (C); proso millet (PC) | 0.126 L/acre | 100 d | 12 d |
| Chickling Vetch | Labelled weeds (early post up to 4 leaf stage) | 0.085 L/acre | 60 d | 12 d |
| Corn | lamb's-quarters, redroot pigweed, velvetleaf, Eastern black nightshade, foxtail, barnyard grass (C/PC by timing) | 0.126 L/acre |
| 100 d |
| 12 d |
| Field Pea | Chickweed (C), cleavers (C), hemp-nettle (C), redroot pigweed (C), shepherd's purse (C/PC), smartweed (C), stinkweed (C), volunteer canola (C), wild buckwheat (S), wild mustard (C), green foxtail (C/PC), wild oats (S) | 0.085 L/acre | 60 d | 12 d |
| Lima Bean | lamb's-quarters, redroot pigweed, smartweed, lady's-thumb, wild mustard, velvetleaf (C); common ragweed (PC); Eastern black nightshade (C); foxtail green/yellow (C); proso millet (PC) | 0.126 L/acre | 90 d | 12 d |
| Pea | Susceptible broadleaf and grass weeds as in Soybeans alone table | 0.126 L/acre | 60 d | 12 d |
| Pea | Susceptible broadleaf and grass weeds as in Soybeans alone table | 0.126 L/acre | 50 d | 12 d |
| Soybean | Broadleaf weeds (lamb's-quarters, redroot pigweed, smartweed, lady's-thumb, wild mustard, velvetleaf, common ragweed, giant ragweed, Eastern black nightshade, wild buckwheat, cocklebur), grasses (green and yellow foxtail, barnyard grass, old witchgrass, proso millet, large crabgrass), yellow nutsedge (PC) | 0.126–0.17 L/acre | 100 d | 12 d |
| Soybean | Emerged weeds before 2 true leaf | 0.17 L/acre | 100 d | 12 d |
| Soybean | Labelled weeds | 0.126 L/acre | 100 d | 12 d |
| Soybean | Labelled weeds (early post up to 4 leaf stage) | 0.085 L/acre | 85 d | 12 d |
| Soybean | Residual control of late germinating eastern black nightshade, common lamb's-quarters, redroot pigweed, velvetleaf, fall panicum and wild proso millet | 0.065–0.126 L/acre | 100 d | 12 d |
| Soybean | Susceptible broadleaf and grass weeds | 0.17 L/acre | 100 d | 12 d |
| Soybean | Susceptible broadleaf and grass weeds | 0.126 L/acre | 100 d | 12 d |
| Soybean | Susceptible broadleaf and grass weeds | 0.126–0.17 L/acre | 100 d | 12 d |
| Soybean | Susceptible broadleaf and grass weeds | 0.126–0.17 L/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 | non-ionic surfactant Early Pre-plant – to Emerged Weeds: 420 mL/ha + non-ionic surfactant. Non-ionic surfactant MUST BE ADDED. | 0.25% v/v (2.5 L/1000 L of spray solution) |
| Required | non-ionic surfactant Addition to the spray solution of a non-ionic surfactant plus liquid fertilizer is essential for post-emergent application | 0.25% v/v (2.5 L/1000 L of spray solution) |
| Required | liquid fertilizer (10-34-0, 28-0-0 or 32-0-0) Addition to the spray solution of a non-ionic surfactant plus liquid fertilizer is essential for post-emergent application | 2 L/ha |
| Required | non-ionic surfactant For NCS Zebria 240 Herbicide plus BASAGRAN LIQUID Herbicide, a non-ionic surfactant at the rate of 0.25% (v/v) and fertilizer solution (10-34-0, 28-0-0 or 32-0-0) at the rate of 2 L/ha MUST BE ADDED to the spray solution. | 0.25% v/v |
| Required | liquid fertilizer (10-34-0, 28-0-0 or 32-0-0) For NCS Zebria 240 Herbicide plus BASAGRAN FORTE Herbicide, only fertilizer solution MUST BE ADDED at the rate of 2 L/ha. | 2 L/ha |
| Required | non-ionic surfactant 312 mL/ha + non-ionic surfactant + liquid fertilizer; Non-ionic surfactant – 0.25% v/v | 0.25% v/v (2.5 L/1000 L of spray solution) |
| Required | non-ionic surfactant A non-ionic surfactant at the rate of 0.25% (v/v) MUST BE ADDED to the spray solution | 0.25% v/v (2.5 L per 1000 L of spray solution) |
| Required | liquid fertilizer (10-34-0, 28-0-0 or 32-0-0) Fertilizer solutions, 10-34-0, 28-0-0 or 32-0-0 MUST BE ADDED to the spray solution at the rate of 2 L/ha to provide quicker burndown of weeds. | 2 L/ha |
| Required | non-ionic surfactant containing at least 80% active ingredient For all applications, a non-ionic surfactant containing at least 80% active ingredient (Agral 90, Agsurf) at the rate of 0.25% (v/v) must be added to the spray solution | 0.25% v/v (2.5 L per 1000 L of spray solution) |
| Required | adjuvant 210 mL/ha + adjuvant | – |
| Required | NIS Early Pre-plant – to Emerged Weeds: 420 mL/ha + non-ionic surfactant. Non-ionic surfactant MUST BE ADDED. | 0.25% v/v (2.5 L/1000 L of spray solution) |
| Required | NIS 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. | 0.25% v/v (2.5 L/1000 L of spray solution) |
| Required | liquid fertilizer (10-34-0, 28-0-0 or 32-0-0) Addition to the spray solution of a non-ionic surfactant plus liquid fertilizer is essential for post-emergent application. | 2 L/ha |
| Required | NIS For NCS Zebria 240 Herbicide plus BASAGRAN LIQUID Herbicide, a non-ionic surfactant at the rate of 0.25% (v/v) and fertilizer solution (10-34-0, 28-0-0 or 32-0-0) at the rate of 2 L/ha MUST BE ADDED to the spray solution. | 0.25% v/v |
| Required | NIS Non-ionic surfactant – 0.25% v/v ... Addition to the spray solution of a non-ionic surfactant plus liquid fertilizer is essential for post-emergent application. | 0.25% v/v (2.5 L/1000 L of spray solution) |
| Required | NIS A non-ionic surfactant at the rate of 0.25% (v/v) MUST BE ADDED to the spray solution. | 0.25% v/v (2.5 L per 1000 L of spray solution) |
| Required | NIS (containing at least 80% active ingredient) For all applications, a non-ionic surfactant containing at least 80% active ingredient (Agral 90, Agsurf) at the rate of 0.25% (v/v) must be added to the spray solution. | 0.25% v/v (2.5 L per 1000 L of spray solution) |
| Required | adjuvant Rate: 210 mL/ha + adjuvant | – |
| Recommended | liquid fertilizer (10-34-0, 28-0-0 or 32-0-0) Liquid fertilizer added to the spray solution will provide quicker burndown of weeds. | 2 L/ha |
| Compatible | glyphosate label adjuvants Refer to the glyphosate label for adjuvant recommendations. | – |
| Compatible | per glyphosate label Refer to the glyphosate 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.
