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Issue:ISSN 2095-1353
           CN 11-6020/Q
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Your Position :Home->Past Journals Catalog->2016年53 No.4

A safer method of controlling soybean aphids
Author of the article:XU Lei** ZHAO Tong-Hua ZHONG Tao XU Guo-Qing***
Author's Workplace:Institute of Plant Protection, Liaoning Academy of Agricultural Sciences, Shenyang 110161, China
Key Words:Aphis glycines, seed coating , natural enemies, neonicotinoid insecticides, green management
Abstract:

[Objectives] The soybean aphid (Aphis glycines) is one of the most important pests of soybean crops. The traditional method of controlling this pest is based on applying a large number of chemical pesticides to achieve the control index, which is harmful to humans, livestock and the environment. In order to achieve pollution-free, green control, control measures were only applied in the early stage, so that the aphid population could not establish efficiently and the amount of pesticide could be reduced. [Methods]  A field test of selected pesticides were conducted using different concentrations of seed coating and the effects of coating treatments on the control of soybean aphids, natural enemies, and other pests, in soybean fields were investigated, together with the nutrition and food-safety of soybeans. [Results] Seed dressing can significantly reduce the initial population number of A. glycines; the maximum number of aphids on 100 control soybean plants was 448.15 times that on treated plants. Seed dressing was also effective in controlling Monolepta hieroglyphica (P<0.05) but was harmless to populations of natural enemies. The seed coating treatment significantly improved the yield and the quality of soybeans and pesticide residues were far below the MRL of the safety standard.  [Conclusion] Seed dressing can effectively control A. glycines without adverse effects on natural enemies. It can significantly increase soybean production, and could be a relatively non-polluting method of controlling aphids on soybean crops.

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