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1 材料与方法试验在国营园艺场三分场和民营潘坝村进行。供试品种砀山酥梨 3株、红富士苹果 3株 ,管理水平中上 ,树冠大小基本一致。供试套袋为四川省眉山县惠阳药膜套袋厂和台湾信泉果实双层套袋厂提供。在供试树上各设套药膜袋、双层袋及不套袋 (对照 ) 3个处理 ,于 2 0 0 0
1 Materials and Methods The experiment was conducted at the state-run horticultural field three-quarter and the private Panba Village. Test varieties Dangshan pear 3, Red Fuji apple 3, the management level, the crown size is basically the same. Test bag for the Meishan County, Sichuan Province Huiyang film bagging plant and Taiwan Quan fruit double bagging plant to provide. In the test tree each set of membrane bags, double bags and not bagging (control) 3 treatment, at 2000