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苹果树腐烂病是我国各果区的重要病害,是影响树体寿命和产量的主要原因。以前生产上采用的传统技术虽有一定效果,但仍有许多不足之处。目前存在的问题是,应该对传统办法进行改进:一改重治为重防。目前推广的新技术是在苹果树发芽前全园喷一次福美砷药液,6月中旬到7月下旬再对主杆和大枝基部涂一次这种农药的50倍药液。采用这种技术,可使苹果树新生病疤减少90％以
Apple tree rot disease is an important disease in every fruit region of our country and the main reason that affects the life and yield of tree body. Although the traditional techniques used in the previous production have some effect, there are still many shortcomings. The existing problem is that we should make improvements to the traditional methods: changing a heavy rule to a serious one. The current promotion of new technology is spraying the whole park before the apple tree Fumei arsenic liquid, from mid-June to late July again on the main rod and the main branch base once coated with pesticides 50 times the liquid. Using this technology can reduce the incidence of new illnesses in apple trees by 90%