Insecticidal Activity and Field Efficacy of Novel Insecticide Cyhalodiamide against Different Lepidoptera Pests

[ Objective] The paper was to study the insecticidal activity and field efficacy of cyhalediamide, a novel insecticide developed by Zhejiang Research Institute of Chemical Industry, Ltd. [ Method] Toxicity of cyhalodiamide against Plutella xylostella, Spodoptera exigua, Prodenia litura and Chilo sup...

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Published inPlant Diseases and Pests(植物病虫害研究：英文版) Vol. 5; no. 4; pp. 39 - 42
Main Authors Jiahua, Xing, Bingchun, Zhu, Jing, Yuan, Jiping, Yu, Dezhen, Dong, Dongying, Zhou, Dongsong, Hu, Jie, Chen
Format Journal Article
LanguageEnglish
Published Cranston Wu Chu (USA-China) Science and Culture Media Corporation 01.08.2014
Subjects
Chilo suppressalis
Lepidoptera
Pieris rapae
Plutella
Spodoptera exigua
斜纹夜蛾
新型杀虫剂
杀虫活性
水稻二化螟
甜菜夜蛾
田间药效
稻纵卷叶螟
鳞翅目害虫
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Summary:[ Objective] The paper was to study the insecticidal activity and field efficacy of cyhalediamide, a novel insecticide developed by Zhejiang Research Institute of Chemical Industry, Ltd. [ Method] Toxicity of cyhalodiamide against Plutella xylostella, Spodoptera exigua, Prodenia litura and Chilo suppressalis were tasted in the laboratory by leaf-dipping method, and the field efficacy of cyhalodiamide against P. xylostella, S. exigua, P. litura, Pieris rapae, C. suppressalis and Cnaphalocrocis medinalis was evaluated. [ Result] The LCs0 values of cyhalodiamide against P. xylostella, S. exigua, P. litura and C. suppressalis were 0. 046, 0.072, 0.071 and 1.95 mg/L, respectively, almost equivalent to that of flubendiamide and ehlorantraniliprole. The control efficacy of 20% Z4042 SC （30 g/hm2） against P. xylostella, S. exigua, P. litura and P. rapae was 90.1% - 96.3 % after spraying for 7 d, and its control efficacy against C. suppressalis and C. medinalis was 82.9% -90.5% after spraying for 15 d. No crop injury was observed at the test dosage. [Conclusion] The study provided reference for field control against Lepidoptera pests.
Bibliography:Insecticide; Cyhalodiamide ; Lepidoptera pests; Insecticidal activity; Field efficacy
[ Objective] The paper was to study the insecticidal activity and field efficacy of cyhalediamide, a novel insecticide developed by Zhejiang Research Institute of Chemical Industry, Ltd. [ Method] Toxicity of cyhalodiamide against Plutella xylostella, Spodoptera exigua, Prodenia litura and Chilo suppressalis were tasted in the laboratory by leaf-dipping method, and the field efficacy of cyhalodiamide against P. xylostella, S. exigua, P. litura, Pieris rapae, C. suppressalis and Cnaphalocrocis medinalis was evaluated. [ Result] The LCs0 values of cyhalodiamide against P. xylostella, S. exigua, P. litura and C. suppressalis were 0. 046, 0.072, 0.071 and 1.95 mg/L, respectively, almost equivalent to that of flubendiamide and ehlorantraniliprole. The control efficacy of 20% Z4042 SC （30 g/hm2） against P. xylostella, S. exigua, P. litura and P. rapae was 90.1% - 96.3 % after spraying for 7 d, and its control efficacy against C. suppressalis and C. medinalis was 82.9% -90.5% after spraying for 15 d. No crop injury was observed at the test dosage. [Conclusion] The study provided reference for field control against Lepidoptera pests.
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ISSN:2152-3932