Toxicity of different fungicides to adult Cryptolaemus montrouzieri mulsant (Coleoptera: Coccinellidae) |
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| Institution: | 1. Zhengzhou Research Base, State Key Laboratory of Cotton Biology, School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China;2. State Key Laboratory of Cotton Biology, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, Henan, China;3. Western Agricultural Research Center, Chinese Academy of Agricultural Sciences, Changji 831100, China;4. Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, Hubei, China |
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| Abstract: | Toxicity and persistence of eight fungicides (carbendazim, tridemorph, mancozeb, captafol, triadimefon, Bordeaux mixture, sulphur w.p. and sulphur dust) to Cryptolaemus montrouzieri Mulsant adults was assessed by calculating the median lethal time (LT) values in days, following probit analysis. While tridemorph 0·05% was the safest, triadimefon 0·05% was most toxic with greater persistence. Hence the spraying of tridemorph 0·05% and the release of the predator could be simultaneous. |
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