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ping guo chi zuo de chu bu yan jiu
Author(s): 
Pages: 405-408+488
Year: Issue:  4
Journal: Acta Entomologica Sinica

Keyword:  苹果树细菌农药幼龄幼虫苹果园防治方法头壳宽度雄性外生殖器尺蠖淡褐色白僵菌;
Abstract: <正> 苹果尺蠖(Apocheima sp.)为害苹果树,国内尚无报道。1974年5月下旬天津北郊苹果园一小区内约百余株苹果树上发生大量苹果尺蠖的幼虫取食叶片,虽采用常规化学农药进行防治未能控制其为害,6月初树冠上半部被吃光,严重影响树的生长,引起注意和重视,开始对其生物学和防治方法进行研究。
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