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Your Position :Home->Past Journals Catalog->2019年56 No.3

Effects of crop distribution on the occurrence of Athetis lepigone (M?schler)
Author of the article:GUAN Xiu-Min1** XU Zhao-Chun1*** LI Li-Li2 CHEN Shu-Juan2 LIU Mai-Feng3 HU Ying-Hua4
Author's Workplace:(1. Shandong Plant Protection Station, Jinan 250100, China; 2. Institute of Plant Protection, Shandong Academy of Agricultural Sciences, Jinan 250100, China; 3. Feicheng Plant Protection Station, Feicheng 271600, China; 4. Jining Plant Protection Station, Jining 272037, China)
Key Words:Athetis lepigone (M?schler); corn; peanut; soybean; planted distribution
Abstract:[Objectives]  To investigate the effects of crop-planting ratios and patterns on the abundance of the moth Athetis lepigone (Mschler), a new agricultural pest. [Methods]  We compared different planting distributions of wheat, maize, peanuts and soybeans, and analyzed the relationship between different crop-planting ratios and the abundance of A. lepigone. We also conducted trapping experiments at Jining and Feicheng to investigate the relationship between different crop layouts and A. lepigone abundance. [Results]  The proportion planted in maize was positively correlated with numbers of the second generation larvae in maize fields and the proportion planted in soybeans was positively correlated with numbers of the overwintering generation. Moth abundance in maize adjacent to peanut and soybean fields was significantly higher than that in maize crops adjacent to wheat or corn fields. [Conclusion]  The overwintering generation had no preference for the different crop varieties examined but first to third generation adults preferred peanut and soybean fields close to maize fields. The last larval generation may prefer to peanuts and soybean fields in winter.
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