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pao tong ye you ji huang di lao hu shi yan
Author(s): 
Pages: 20-22
Year: Issue:  2
Journal: Journal of Henan Institute of Science and Technology(Nature Sciences Edition)

Keyword:  诱集黄地老虎桐树泡桐叶幼虫春季作物诱集效果叶片间距诱集作用毕业实践;
Abstract: <正>地老虎对春季作物及蔬菜幼苗危害很重,令期小的幼虫能把嫩叶咬成小洞,令期大时,可把幼苗从基部齐地咬断,苗大时在基部咬一孔洞,造成枯心.由于地老虎为害,致使春季作物缺苗断垄,甚至毁苗重播,直接影响和威协春季作物的产量.尊照毛主席关于“灭虫保苗”的指示精神,我们在毕业实践过程中,进行了桐树叶诱集黄地老虎试验.
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