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Your Position :Home->Past Journals Catalog->2014年51 No.1

Effect of suppression of natural enemies on wheat aphids using enclosures in wheat fields
Author of the article:YU Han-Long1, 2** , LI Lin-Mao1 ,ZHANG Si-Cong1, YU Yi1, ZHANG An-Sheng1 , LI Li-Li1,ZHOU Xian-Hong1, Z
Author's Workplace:(1. Shandong Provincial Key Laboratory of Plant Virology, Institute of Plant Protection, Shandong Academy of Agricultural Sciences, Jinan 250100, China; 2.College of Plant Protection, Shandong Agricultural University, Tai’an 271018, China
Key Words: wheat aphid, natural enemy, Propylaea japonica, biocontrol services index
Abstract:

       [Objectives]  To evaluate the effects of suppressing the natural enemies of wheat aphids. [Methods]  Systematic investigation and enclosures. [Results]  The results indicate that Propylaea japonica Thunberg was the most dominant natural enemy of wheat aphids. Natural enemies could effectively suppress the population of wheat aphids; achieving biocontrol services indices of 35%, 42% and 32% during the aphid population’s steady period, peak period and decline period, respectively. [Conclusion]  The suppression of wheat aphids by natural enemies should be considered as part of the overall wheat aphid control strategy.

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