葡萄在浆果成熟前和着色期间会产生裂果现象,从而造成葡萄产量下降和品质降低。其原因及防治方法如下: 催熟剂使用不当 若喷布催熟剂乙烯利的浓度过高或时期不当,也易产生裂果。所以,使用乙烯利时要严格按规定进行稀释,喷布时期选择在葡萄口感略有甜昧、酸度能够忍受为宜。 Grapes can cause cracking before and during ripening of the berry, resulting in decreased grape yield and reduced quality. The reasons and prevention methods are as follows: Improper use of ripening agent If the spraying of ripener ethephon concentration is too high or inappropriate period, but also easy to produce cracking. Therefore, the use of ethephon to be strictly in accordance with the provisions of the dilution, spray time to choose a slight sweet taste in the grape taste, acidity can tolerate appropriate.