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1.砧木和接穗不亲和。同种的苗木亲和力强,嫁接成活率高;同属不同种的苗木嫁接困难或不能成活。对策:在嫁接果苗时,一定要选用亲和力强、适应性强的品种作砧木。
1 rootstock and scion incompatible. The same species of seedlings affinity, graft survival rate is high; the same species of seedlings grafted difficult or not survive. Countermeasures: When grafting seedlings, we must choose a strong affinity, adaptability of varieties for rootstocks.