PCP #33945 · Fine Agrochemicals Limited · Growth Regulator
Plant growth regulator containing 1-Naphthaleneacetic acid (NAA) for chemical thinning of apples, pre-harvest drop control, return bloom promotion, and fruit set thinning in ornamental crabapples. Most effective when applied to king fruitlets 5-10 mm in diameter under optimal temperature conditions (21-24°C).
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 | Chemical Thinning - Fruit thinning to reduce number of fruits in cluster | – | – | 12 d |
| Apple | Chemical Thinning - Fruit thinning to reduce number of fruits in cluster | – | – | 12 d |
| Apple | Chemical Thinning - Fruit thinning to reduce number of fruits in cluster | – | – | 12 d |
| Apple | Pre-harvest drop control | – | 5 d | 12 d |
| Apple | Pre-harvest drop control | – | 5 d | 12 d |
| Apple | Pre-harvest drop control | – | 5 d | 12 d |
| Apple | Pre-harvest drop control | – | 5 d | 12 d |
| Apple | Promoting return bloom during off-year | – | – | 12 d |
| Ornamental Crabapple | Fruit set thinning as component of integrated pest management program to control codling moth | – | – | 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 |
|---|
| Compatible | non-ionic surfactant When Maintain 3.5L is used in combination with a non-ionic surfactant or in a tank mix with another apple thinning product, the application rate of Maintain 3.5L should be appropriately reduced. | – |
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.
