PCP #32901 · Isk Biosciences Corporation · Herbicide
Group 27 (HPPD inhibitor) herbicide for postemergence weed control in wheat, barley, all types of field corn, sweet corn, seed corn and popcorn.
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 |
|---|---|---|---|---|
| Barley | Broadleaf weeds: Palmer amaranth (S), Powell amaranth (S), volunteer canola (S), cleavers (S-C), common cocklebur (S-C), Canada fleabane (S-C), kochia (S), lady's thumb (S-C), common lamb's quarters (S-C), wild mustard (S), redroot pigweed (S-C), smooth pigweed (C), common purslane (S), common ragweed (S), giant ragweed (S), shepherd's purse (S), Pennsylvania smartweed (S), velvetleaf (C), common waterhemp (S), tall waterhemp (C). Grasses: barnyardgrass (S), large crabgrass (C), giant foxtail (S), green foxtail (S-C), yellow foxtail (S). C=control; S=suppression; S-C=suppression at 75 mL/ha, control at 100 mL/ha. | 30.4–40.5 mL/acre | 50 d | 12 d |
| Corn | Broadleaf weeds: Palmer amaranth (S), Powell amaranth (S), volunteer canola (S), cleavers (S-C), common cocklebur (S-C), Canada fleabane (S-C), kochia (S), lady's thumb (S-C), common lamb's quarters (S-C), wild mustard (S), redroot pigweed (S-C), smooth pigweed (C), common purslane (S), common ragweed (S), giant ragweed (S), shepherd's purse (S), Pennsylvania smartweed (S), velvetleaf (C), common waterhemp (S), tall waterhemp (C). Grasses: barnyardgrass (S), large crabgrass (C), giant foxtail (S), green foxtail (S-C), yellow foxtail (S). C=control; S=suppression; S-C=suppression at 75 mL/ha, control at 100 mL/ha. | 30.4–40.5 mL/acre | 35 d | 12 d |
| Corn | Broadleaf weeds: Palmer amaranth (S), Powell amaranth (S), volunteer canola (S), cleavers (S-C), common cocklebur (S-C), Canada fleabane (S-C), kochia (S), lady's thumb (S-C), common lamb's quarters (S-C), wild mustard (S), redroot pigweed (S-C), smooth pigweed (C), common purslane (S), common ragweed (S), giant ragweed (S), shepherd's purse (S), Pennsylvania smartweed (S), velvetleaf (C), common waterhemp (S), tall waterhemp (C). Grasses: barnyardgrass (S), large crabgrass (C), giant foxtail (S), green foxtail (S-C), yellow foxtail (S). C=control; S=suppression; S-C=suppression at 75 mL/ha, control at 100 mL/ha. |
| 30.4–40.5 mL/acre |
| 45 d |
| 48 d |
| Field Corn | Broadleaf weeds: Palmer amaranth (S), Powell amaranth (S), volunteer canola (S), cleavers (S-C), common cocklebur (S-C), Canada fleabane (S-C), kochia (S), lady's thumb (S-C), common lamb's quarters (S-C), wild mustard (S), redroot pigweed (S-C), smooth pigweed (C), common purslane (S), common ragweed (S), giant ragweed (S), shepherd's purse (S), Pennsylvania smartweed (S), velvetleaf (C), common waterhemp (S), tall waterhemp (C). Grasses: barnyardgrass (S), large crabgrass (C), giant foxtail (S), green foxtail (S-C), yellow foxtail (S). C=control; S=suppression; S-C=suppression at 75 mL/ha, control at 100 mL/ha. | 30.4–40.5 mL/acre | 45 d | 12 d |
| Popcorn | Broadleaf weeds: Palmer amaranth (S), Powell amaranth (S), volunteer canola (S), cleavers (S-C), common cocklebur (S-C), Canada fleabane (S-C), kochia (S), lady's thumb (S-C), common lamb's quarters (S-C), wild mustard (S), redroot pigweed (S-C), smooth pigweed (C), common purslane (S), common ragweed (S), giant ragweed (S), shepherd's purse (S), Pennsylvania smartweed (S), velvetleaf (C), common waterhemp (S), tall waterhemp (C). Grasses: barnyardgrass (S), large crabgrass (C), giant foxtail (S), green foxtail (S-C), yellow foxtail (S). C=control; S=suppression; S-C=suppression at 75 mL/ha, control at 100 mL/ha. | 30.4–40.5 mL/acre | 45 d | 12 d |
| Wheat | Broadleaf weeds: Palmer amaranth (S), Powell amaranth (S), volunteer canola (S), cleavers (S-C), common cocklebur (S-C), Canada fleabane (S-C), kochia (S), lady's thumb (S-C), common lamb's quarters (S-C), wild mustard (S), redroot pigweed (S-C), smooth pigweed (C), common purslane (S), common ragweed (S), giant ragweed (S), shepherd's purse (S), Pennsylvania smartweed (S), velvetleaf (C), common waterhemp (S), tall waterhemp (C). Grasses: barnyardgrass (S), large crabgrass (C), giant foxtail (S), green foxtail (S-C), yellow foxtail (S). C=control; S=suppression; S-C=suppression at 75 mL/ha, control at 100 mL/ha. | 30.4–40.5 mL/acre | 50 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 |
|---|---|---|
| Recommended | ADAMA MSO ADJUVANT The use of methylated seed oil (MSO) is recommended with Tolpyralate 400SC Herbicide. Apply 1 % v/v MSO (1 litre per 100 litres spray volume) of the final spray volume. | 1 % v/v (1 litre per 100 litres spray volume) |
| Recommended | ADIGOR Adjuvant To increase efficacy it is highly recommended to use an adjuvant when applying this product. | – |
| Compatible | ammonium nitrogen fertilizer add the required spray adjuvants (methylated seed oil or ammonium nitrogen fertilizer) | – |
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.
