葡萄裂果是在浆果生长后期的果实着色至成熟期发生的。发生裂果的原因:一是在浆果生长期,久旱遇雨或灌大水,土壤含水量急增,果肉细胞迅速吸水膨胀而果皮膨胀缓慢,从而导 Grape fissures occur during fruit coloration to maturity in the late berry growth season. The reasons for the occurrence of split fruit: First, in the berry growth period, a long drought or irrigation flood, soil water content increased sharply, pulp cells quickly swollen water swelling and slow expansion of the peel, which guide