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she shi pu tao lie guo yuan yin ji yu fang cuo shi
Author(s): 
Pages: 19
Year: Issue:  2
Journal: Deciduous Fruits

Abstract: ①品种特性.果粒排列紧密,果皮薄而脆的品种易裂果,如乍娜、香妃、郑州早玉、维多利亚、巨峰等品种.预防措施:选择抗裂果品种,如红提、夏黑、美人指、秋黑等. ②土壤水分变化过大.果实生长前期干旱,着色期遇大雨或大水漫灌,因果实含糖量高,渗透压大,果肉水分突然增多,随着果实膨压的增大,撑破果皮,出现裂果.预防措施:调节好土壤水分,做到旱不缺水,涝不积水.减少土壤干湿差,果实生长后期土壤干旱时,及时浇水,不大水漫灌.果实开始着色后如遇干旱,可每隔7~10天浇1次水,防止久旱遇雨造成裂果.土壤含水量维持在60% ~ 70%,可有效预防裂果的产生.
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