PCP #11580 · Bayer CropScience Inc. · Growth Regulator
Liquid plant growth regulator containing 240 g/L ethephon. Accelerates tomato ripening, accelerates blueberry colouring and fruit maturity, increases flowering of young apple trees, loosens cherries for easier harvest, promotes colour and reduces curing time of flue-cured tobacco, and reduces lodging in spring and winter wheat.
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 |
|---|---|---|---|---|
| Apple | Increase flower bud development | 2.83 L/acre | – | 12 d |
| Apple | Increase flower bud development | 5.67 L/acre | – | 12 d |
| Blueberry | Black barrenberry | 2.23–3.44 L/acre | 42 d | 12 d |
| Blueberry | Concentration of maturity and earlier fruit colouring | 2.23–3.44 L/acre | 14 d | 12 d |
| Sour Cherry | Fruit loosening for easier harvest | 1.11 L/acre | 7 d | 12 d |
| Sweet Cherry | Fruit loosening for easier harvest | 2.23 L/acre | 7 d | 12 d |
| Tobacco | Promote colour development and reduce curing time of the upper 6-7 leaves (tips and undertips) | 1.11–1.52 L/acre | 1 d | 12 d |
| Tomato | Accelerate ripening | 1.52 L/acre | 3 d | 12 d |
| Tomato | Accelerate ripening | 2.59 L/acre | 3 d | 12 d |
| Wheat | Lodging | 0.405–0.607 L/acre | 35 d | 12 d |
| Wheat | Lodging | 0.506–1.01 L/acre | 35 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 | wetting agent A wetting agent may improve spray coverage. | – |
| Recommended | wetting agent Thorough uniform spray coverage of foliage and fruit is essential for maximum fruit maturation and colouration. The use of a wetting agent may improve spray coverage. | – |
| Recommended | wetting agent To aid in uniform wetting of plants, the use of a wetting agent is suggested. | – |
| Do not mix | surfactants or wetting agents / adjuvants of any kind Do not add surfactants or wetting agents to the spray solution. Tank-mixing ETHREL Plant Growth Regulator with adjuvants of any kind may result in severe crop injury and reduce yields. | – |
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.
