PCP #27654 · Drexel Chemical Company · Growth Regulator
Plant growth regulator containing maleic hydrazide for sprout inhibition in potatoes and onions during storage, grass growth control in turf areas, and growth control of trees and shrubs. When applied to healthy growing plants, maleic hydrazide is absorbed rapidly through leaf surface and inhibits cell division but not cell expansion.
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 |
|---|---|---|---|---|
| Onion | Sprout inhibition in storage | 1.52 kg/acre | – | 12 d |
| Ornamentals | Growth control | 3.74 kg/acre | – | 12 d |
| Ornamentals | Growth control | 3.74 kg/acre | – | 12 d |
| Potato | Sprout inhibition in storage | 2.29 kg/acre | – | 12 d |
| Turf | Grass growth control | 2.63–3.24 kg/acre | – | 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 |
|---|---|---|
| Do not mix | additional wetting agents/surfactants | – |
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.
