赤霉素处理对梅树开花和座果的影响

Effects of GA 3 Treatment on Blooming and Fruiting of Japanese Apricot

利用赤霉素处理梅树，延迟花期１０～１５ｄ，减少了梅花和幼果受霜冻危害，提高了座果率。处理适期为９月初至１０月初。处理浓度以１００ｍｇ／Ｌ效果最好。

Blooming date of Japanese apricot was postponed 10～15 days after treated with GA 3 which help the tree avoid frozen injury of the flower and the fruit.The appropriate GA 3 treating date was from early September to early October and the effective concentration was 100 mg/L.