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Your Position :Home->Past Journals Catalog->2019年56 No.4

Comparison of the effectiveness of chemical and biological agents for the emergency control of Spodoptera frugiperda in the field
Author of the article:YAN Wen-Juan** YANG Shuai WANG Yong-Qing ZHENG Qun ZHANG Zhi-Xiang XU Han-Hong***
Author's Workplace:(Key Laboratory of Natural Pesticides and Chemical Biology, Ministry of Education, South China Agricultural University, Guangzhou 510642, China)
Key Words:Spodoptera frugiperda; insecticides; pesticide screening; control efficacy
Abstract:[Objectives]  To determine the relative efficacy of 28 chemical and biological agents for controlling Spodoptera frugiperda in maize (Zea mays L.) fields. [Methods]  Entire maize plants at the large trumpet stage were evenly sprayed using conventional spray methods and the number of S. frugiperda larvae on labeled plants determined 1 day before, and 1, 3 and 7, days after, application. [Results]  Chemical pesticides were the most effective at controlling S. frugiperda. Biological agents were not as effective, which we suspect is related to their mode of action. [Conclusion]  Of the chemical agents evaluated, eight, spinetoram, emamectin benzoate, chlorantraniliprole, cyantraniliprole, methoxyfenozide, cyfluthrin, spinetoram·m-ethoxyfenozide and indoxacarb·methoxyfenozide, were the most effective at controlling S. frugiperda in maize fields.
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