Spraying exogenous GA3 not only increased setting percentage, but also enhanced function of ovary and flower as physiological sink. It made the ovary absorb more carbohydrate and lightened physiological fruit drop.
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释义
花期喷施外源GA3不但可以提高坐果率,而且能够加强花朵子房作为生理库的作用,使子房吸收更多的碳水化合物,以减轻生理落果。
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