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对大久保桃进行不同的钙制剂处理表明，采前１个月树干注射０．４％ＣａＣｌ＿２可推迟成熟８天。果实耐贮性也显著提高。另外，树干注射效果好于叶面喷布。
The treatment of different calcium preparations to Okubo peach showed that the trunk injection of 0.4% CaCl 2 for one month before harvest delayed the maturity for 8 days. Fruit storage is also significantly improved. In addition, trunk injection better than foliar spray.