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pao tong ye you ji huang di lao hu shi yan
Author(s): HAO Chuncai
Pages: 20-
22
Year: 1977
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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