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苹果树在皮下接高接换种时，用0．007mm厚的聚乙烯微膜包扎接口与接穗，成活率高，省工，成本低，接穗萌发后可自行顶破地膜，可替代高接方法中套塑料袋等传统接穗保湿方法。
When the apple tree is subcutaneously connected with a high variety of seedlings, the interface and scion with a 0.007mm thick polyethylene micro-membrane are used to wrap the interface and the scion. The utility model has the advantages of high labor-saving rate, labor saving and low cost. The sprout can break the membrane by itself after germination, In the plastic bags and other traditional methods of scion moisturizing.