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苹果绵蚜是果树的重要检疫性害虫。目前烟台市各县均有不同程度发生,其中部分受害果园已上升为主要害虫,严重影响树势和产量、品质,─般减产10%左右,重者达30%以上,全市年损失苹果约3 000万 kg。为控制其为害,多年来,笔者进行了大量调查研究,制定了苹果绵蚜的综合防
Apple aphid is an important quarantine pest of fruit trees. At present, all counties in Yantai City have varying degrees of occurrence. Some of the affected orchards have risen to be the major pests, seriously affecting the tree vigor and yield and quality, decreasing by about 10% as much as 30%, and the loss of about 3% 000 million kg. To control its damage, over the years, the author conducted a large number of investigations and studies, developed a comprehensive defense of apple aphid