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渤海湾苹果产区,苹果栽培面积约600万亩,年产苹果20多亿公斤,是我国最大的苹果生产基地。辽宁西部地区,盛产苹果,是渤海湾苹果产区的主要产地之一。当前,对这一地区苹果生产影响较大的病虫害主要有桃小食心虫、叶螨(山楂叶螨和苹果叶螨)、卷叶虫(苹果小卷叶蛾、苹果卷叶蛾)、腐烂病、轮纹病和褐斑病等。生产上防治这些病虫虽有一定的经验,但还存在许多需要研究解决的问题。近几年,中国果树所根据克服农药污染及残留毒害,提高防治效果和改进现有防治措
Apple production area in Bohai Bay, apple cultivation area of about 6000000 acres, with an annual output of more than 2000000000 kilograms of apples, is China’s largest apple production base. Western Liaoning, rich in apples, is one of the major producing areas of the Bohai Bay apple producing areas. At present, the main pests and diseases affecting apple production in this area are peach moth, spider mites (hawthorn spider mites and apple spider mites), leaf roller worms (apple leaf roller, apple leaf roller), rot disease, Brown spot and so on. Although there is some experience in the prevention and control of these diseases and pests in production, there are still many problems that need to be studied and solved. In recent years, China’s fruit trees based on overcoming pesticide pollution and residual poisoning, improve control effect and improve the existing control measures