6-Benzylaminopurine (6-BA) is mainly used in strawberry cultivation to promote fruit enlargement, increase fruit set rate, and extend shelf life. It is a highly effective cytokinin-type plant growth regulator.
Mechanism of Action: 6-Benzylaminopurine significantly enhances cell division capacity and delays tissue senescence by promoting nucleic acid and protein synthesis and inhibiting their degradation. In strawberries, it concentrates nutrients in the fruit, reduces fruit drop, inhibits chlorophyll degradation, and maintains fruit color.
Key Application Stages and Methods of 6-Benzylaminopurine:
Fruit enlargement during the young fruit stage.
Timing: Young fruit stage of strawberries (when the fruit is the size of a soybean).
Method: Spray with a 10-50 ppm 6-BA solution, focusing on the fruit stalk and young fruit. When mixed with gibberellin (such as 6-BA·GA3), it can synergistically promote cell division and elongation, reducing deformed fruit.
Effects: Uniform fruit enlargement, increased marketable fruit rate, and earlier maturity by 5-7 days. Post-harvest Preservation
Method: After harvesting, soak or spray strawberry fruits with a 10ppm 6-BA solution.
Effect: Inhibits rotting and extends shelf life.
Flower and Fruit Preservation
Timing: Budding stage or early flowering stage.
Method: Spray with a compound agent of 6-BA, brassinolide, amino acids, etc., to enhance stress resistance.
Effect: Significantly improves fruit set rate and increases the number of fruits per plant.
