PCP #25310 · Gowan Company, LLC · Herbicide
Group 2 water-dispersible granular herbicide containing 75% prosulfuron for post-emergent broadleaf weed control in field corn, winter wheat, seed corn, sorghum and millet in Eastern 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 |
|---|---|---|---|---|
| Corn | Cocklebur, Lady's Thumb, Lamb's-Quarters (including triazine-tolerant biotypes), Wild Mustard, Redroot Pigweed (including triazine-tolerant biotypes), Common Ragweed, Velvetleaf | 5.38 g/acre | – | 12 d |
| Field Corn | Listed broadleaf weeds plus Green Foxtail (suppression), Yellow Foxtail (suppression), and Barnyard Grass (1-6 leaves) | 5.38 g/acre | 120 d | 12 d |
| Field Corn | Listed broadleaf weeds; Velvetleaf suppression; Yellow Foxtail suppression only with PEAK + Banvel Dry EG + Ultim 75DF | 5.38 g/acre | 120 d | 12 d |
| Field Corn | Weeds suppressed: Wild Buckwheat (1-6 leaves); Lady's Thumb (1-4 leaves); Lamb's-Quarters including triazine-tolerant biotypes (1-6 leaves); Redroot Pigweed including triazine-tolerant biotypes (1-6 leaves); Common Ragweed (1-8 leaves); Velvetleaf (1-6 leaves). Wild Mustard controlled (2-12 leaves, prior to flowering). | 5.38 g/acre | 120 d | 12 d |
| Field Corn | Wild Buckwheat (1-6 leaves); Cocklebur (1-6 leaves; controlled only with PEAK + Banvel II); Lady's Thumb (1-4 leaves); Lamb's-Quarters including triazine-tolerant biotypes (1-6 leaves); Wild Mustard (2-12 leaves, prior to flowering); Redroot Pigweed including triazine-tolerant biotypes (1-6 leaves); Common Ragweed (1-8 leaves); Velvetleaf (1-6 leaves) | 5.38 g/acre | 120 d | 12 d |
| Millet |
| Cocklebur, Lady's Thumb, Lamb's-Quarters (including triazine-tolerant biotypes), Wild Mustard, Redroot Pigweed (including triazine-tolerant biotypes), Common Ragweed, Velvetleaf |
| 5.38 g/acre |
| 120 d |
| 12 d |
| Sorghum | Cocklebur, Lady's Thumb, Lamb's-Quarters (including triazine-tolerant biotypes), Wild Mustard, Redroot Pigweed (including triazine-tolerant biotypes), Common Ragweed, Velvetleaf | 5.38 g/acre | 120 d | 12 d |
| Wheat | Weeds suppressed: Wild Buckwheat (1-6 leaves); Lady's Thumb (1-4 leaves); Lamb's-Quarters including triazine-tolerant biotypes (1-6 leaves); Redroot Pigweed including triazine-tolerant biotypes (1-6 leaves); Common Ragweed (1-8 leaves); Velvetleaf (1-6 leaves). Wild Mustard controlled (2-12 leaves, prior to flowering). | 5.38 g/acre | 75 d | 12 d |
| Wheat | Wild Buckwheat (1-6 leaves); Lady's Thumb (1-4 leaves); Lamb's-quarters including triazine-tolerant biotypes (1-6 leaves); Wild Mustard (2-12 leaves, prior to flowering); Redroot Pigweed including triazine-tolerant biotypes (1-6 leaves); Common Ragweed (1-6 leaves); Velvetleaf (2-6 leaves, suppression only) | 5.38 g/acre | 75 d | 12 d |
| Winter Wheat | Wild Carrot (Daucus carota) at the 2–20 leaf stage | 5.38 g/acre | 75 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 | CITOWETT PLUS PEAK 75WG Herbicide must be tank mixed with a non-ionic surfactant (AGRAL 90, Agsurf, or Citowett Plus). | 0.2% v/v |
| Required | HiActivate® NIS PEAK 75WG Herbicide must be applied with a recommended non-ionic surfactant. Do not use a crop-oil concentrate | 0.2% v/v (2.0 L for each 1000 L of spray mixture) |
| Required | HiActivate® NIS PEAK 75WG Herbicide + tank mix partner must be applied with a recommended non-ionic surfactant at 0.2% v/v (2.0 L for each 1000 L of spray mixture). | non-ionic surfactant at 0.2% v/v |
| Required | HiActivate® NIS PEAK 75WG Herbicide must be applied with a recommended non-ionic surfactant... must be tank mixed with a non-ionic surfactant plus Banvel II in a minimum spray volume of 150 litres per hectare. | non-ionic surfactant at 0.2% v/v |
| Required | HiActivate® NIS PEAK 75WG Herbicide must be applied with a recommended non-ionic surfactant. | 0.2% v/v |
| Required | NIS or COC PEAK 75WG Herbicide must be applied with a recommended non-ionic surfactant or crop oil concentrate | non-ionic surfactant at 0.2% v/v or Crop Oil Concentrate at 1.0% v/v |
| Required | NIS or COC PEAK 75WG Herbicide + tank mix partner must be applied with either: a) a recommended non-ionic surfactant at 0.2% v/v; or b) a crop oil concentrate at 1.0% v/v | a) non-ionic surfactant at 0.2% v/v (2.0 L for each 1000 L); or b) crop oil concentrate at 1.0% v/v (10 L for each 1000 L) |
| Required | NIS or COC PEAK 75WG Herbicide must be applied with a recommended non-ionic surfactant or crop oil concentrate | non-ionic surfactant at 0.2% v/v or crop oil concentrate at 1.0% v/v |
| Required | AGRAL 90, Agsurf or Citowett Plus (NIS); Assist (COC) PEAK 75WG Herbicide must be tank mixed with either a non-ionic surfactant (AGRAL 90, Agsurf or Citowett Plus) or a Crop Oil Concentrate (Assist) plus Banvel II. | non-ionic surfactant at 0.2% v/v or crop oil concentrate at 1.0% v/v |
| Required | AGRAL 90 PEAK 75WG Herbicide must be tank mixed with a non-ionic surfactant (AGRAL 90, Agsurf, or Citowett Plus). | 0.2% v/v |
| Required | Agsurf PEAK 75WG Herbicide must be tank mixed with a non-ionic surfactant (AGRAL 90, Agsurf, or Citowett Plus). | 0.2% v/v |
| Do not mix | Crop Oil Concentrate when tank mixing with all Ultim herbicide formulations or Accent herbicide Do not use Crop Oil Concentrate if tank mixing with all Ultim herbicide formulations or Accent herbicide. | – |
| Do not mix | Crop Oil Concentrate on winter wheat / when tank mixing with Pardner Herbicide Do not use Crop Oil Concentrate for use on winter wheat. Do not use a crop oil concentrate if tank mixing with Pardner Herbicide. | – |
| Do not mix | Crop oil concentrate (seed corn / field corn NIS-only sections) Do not use a crop-oil concentrate (per surfactant instructions for these uses). | – |
| Do not mix | crop-oil concentrate (COC) Do not use a crop-oil concentrate. | – |
| Do not mix | Crop Oil Concentrate (COC) on winter wheat Do not use Crop Oil Concentrate for use on winter wheat. | – |
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.
