PCP #21555 · FMC of Canada Limited · Herbicide
Group 2 sulfonylurea herbicide containing 75% ethametsulfuron-methyl for control of broadleaf weeds in spring canola, condiment mustard, oriental mustard, sunflower, rutabaga, and Brassica carinata. Controls flixweed, green smartweed, hempnettle, wild mustard, and stinkweed. Contains allergen sulfites.
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 |
|---|---|---|---|---|
| Canola | Flixweed (spring seedlings), Green Smartweed, Hempnettle, Wild Mustard | 8.09 g/acre | 60 d | 12 d |
| Canola | Flixweed (spring seedlings), Green Smartweed, Hempnettle, Wild Mustard, Stinkweed | 12.1 g/acre | 60 d | 12 d |
| Canola | Redroot Pigweed (suppressed) | 12.1 g/acre | 60 d | 12 d |
| Canola | Stinkweed (suppressed at 20 g/ha) | 8.09 g/acre | 60 d | 12 d |
| Canola | Wild Mustard | 6.07 g/acre | – | 12 d |
| Canola | Wild mustard | 6.07 g/acre | 60 d | 12 d |
| Mustard | Flixweed (spring seedlings), Green Smartweed, Hempnettle, Wild Mustard | 8.09 g/acre | – | 12 d |
| Mustard | Flixweed (spring seedlings), Green Smartweed, Hempnettle, Wild Mustard, Stinkweed | 8.09 g/acre | – | 12 d |
| Mustard | Stinkweed (suppressed) | 8.09 g/acre | – | 12 d |
| Mustard | Stinkweed (suppressed) | 8.09 g/acre | – | 12 d |
| Rutabaga | Wild mustard | 6.07 g/acre | 45 d | 12 d |
| Sunflower | Flixweed (spring seedlings), Green Smartweed, Hempnettle, Wild Mustard, Stinkweed (suppressed) | 8.09–12.1 g/acre | 60 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 Registered surfactants are AG-SURF*, AGRAL* 90, CITOWETT* PLUS, CANPLUS* 411, HI-MIX* or SURE-MIX* and MERGE* | 2.0 litres per 1000 litres of spray volume |
| Required | CITOWETT PLUS Registered surfactants are AG-SURF*, AGRAL* 90, CITOWETT* PLUS, CANPLUS* 411, HI-MIX* or SURE-MIX* and MERGE* | 2.0 litres per 1000 litres of spray volume |
| Required | MERGE® ADJUVANT MERGE | recommended amount as stated on POAST label |
| Required | MERGE® ADJUVANT Use 20 or 30 grams per hectare Muster® Herbicide plus 0.8 to 1.9 litres per hectare POAST* plus the recommended amount of MERGE* adjuvant as stated on the POAST* label. Additional surfactant is not required when using MERGE* | 5-10 litres per 1000 litres of spray solution |
| Required | SURE-MIX™ SURFACTANT SURE-MIX | 5 litres per 1000 litres of spray volume |
| Required | SURE-MIX™ SURFACTANT SURE-MIX | 5 litres per 1000 litres of spray solution |
| Required | SURE-MIX™ SURFACTANT SURE-MIX* at 5 litres per 1000 litres of spray solution | 5 litres per 1000 litres of spray solution |
| Required | SURE-MIX™ SURFACTANT a recommended adjuvant (SURE-MIX* at 5 litres per 1000 litres of spray volume | 5 litres per 1000 litres of spray volume |
| Required | WeedAway® Ag-Surf Registered surfactants are AG-SURF*, AGRAL* 90, CITOWETT* PLUS, CANPLUS* 411, HI-MIX* or SURE-MIX* and MERGE* | 2.0 litres per 1000 litres of spray volume |
| Required | WeedAway® Ag-Surf Apply Muster® Herbicide at 15 grams per hectare with a recommended surfactant at 2.0 litres surfactant per 1000 litres of spray volume. This rate should be used only in Southern Ontario. | 2 litres per 1000 litres of spray volume |
| Required | AG-SURF, AGRAL 90, or CITOWETT PLUS | 2.0 litres per 1000 litres of spray volume |
| Required | CANPLUS 411 or MERGE | 5-10 litres per 1000 litres of spray solution |
| Required | surfactant Muster® Herbicide MUST be applied with a recommended surfactant early postemergence | – |
| Required | surfactant ASSURE* II plus CANPLUS* 411 or MERGE* at 5-10 litres per 1000 litres of spray solution | 5-10 litres per 1000 litres of spray solution |
| Required | surfactant Registered surfactants are AG-SURF*, AGRAL* 90, CITOWETT* PLUS, CANPLUS* 411, HI-MIX* or SURE-MIX* and MERGE* | – |
| Recommended | CITOWETT PLUS MUSTER | 200 mL/100L |
| Compatible | AGRAL 90 Muster | 2 L/1000 L |
| Compatible | AGRAL® 90 MUSTER | 2 L/1000 L |
| Compatible | AQUASURF® Non-ionic Spray Adjuvant MUSTER® Herbicide | 2 L/1000 L |
| Compatible | CROP ZONE CZ 90 MUSTER | 2 L/1000 L |
| Compatible | ICON - A Non-Ionic Liquid Wetting and Spreading Agent MUSTER | 2L/1000L |
| Compatible | IPCO® Ag-Surf II MUSTER | 2L/1000L |
| Compatible | Keysal 90 MUSTER | 2 L/1000 L |
| Compatible | MERGE® ADJUVANT Muster | – |
| Compatible | NUFARM ENHANCE™ MUSTER® | 2L/1000L |
| Compatible | PHASE® NT Non-ionic Spray Adjuvant MUSTER® Herbicide | 2 L/1000 L |
| Compatible | PRO-SURF® NT Non-ionic Spray Adjuvant MUSTER® Herbicide | 2 L/1000 L |
| Compatible | SENTRY - A Non-ionic Liquid Wetting and Spreading Agent MUSTER | 2L/1000L |
| Compatible | SIDEKICK® NT Non-ionic Spray Adjuvant MUSTER® Herbicide | 2 L/1000 L |
| Compatible | SUFFIX MUSTER | 2L/1000L |
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.
