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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。
Utilizing gibberellin to deal with plum tree, delayed the flowering period of 10 ~ 15d, reduced the harm of plum and young fruit by frost and increased the fruit set rate. The appropriate treatment for early September to early October. Treatment of the best concentration of 100mg / L.