Sublethal and transgenerational effects of chlorantraniliprole on biological traits of the diamondback moth,Plutella xylostella L. |
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| Institution: | 1. Department of Entomology, China Agricultural University, Beijing 100193, China;2. French National Institute for Agricultural Research (INRA), ISA, 400 route des chappes, 06903 Sophia-Antipolis, France;3. Institute of Plant Science and Resources, Okayama University, Kurashiki, Okayama 710-0046, Japan;1. Institute of Plant and Environment Protection, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China;2. Department of Pesticide Science, Hunan Agricultural University, Changsha 410128, China;3. Institute of Agro-Products Processing Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China;1. Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, 430070, PR China;2. Department of Entomology, State Key Laboratory of Crop Stress Biology in Arid Areas, Northwest A&F University, Yangling, Shaanxi, PR China;3. Université Côte d''Azur, INRAE, CNRS, UMR ISA, 06000, Nice, France;4. Department of Plant Biosecurity, College of Plant Protection, China Agricultural University, Beijing, 100193, China;1. Department of Plant and Soil Science, University of Vermont, Burlington, VT, USA;2. Department of Biological and Environmental Science, University of Jyväskylä, Finland;3. Department of Animal and Veterinary Sciences, University of Vermont, Burlington, VT, USA;1. Department of Zoology and Animal Ecology, Szent István University, Páter K. st. 1, 2100, Gödöllő, Hungary;2. Department of Biomathematics and Informatics, University of Veterinary Medicine, István st. 2, 1078 Budapest, Hungary;3. Department of Ecological Science, Faculty of Science, Vrije Universiteit, De Boelelaan 1085, 1081 HV Amsterdam, the Netherlands |
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| Abstract: | The diamondback moth, Plutella xylostella (L.), is an important international pest of cruciferous vegetables. The effects of the new diamide insecticide chlorantraniliprole, at a lethal concentration inducing only 25% mortality (LC25), were assessed on the development and reproductive parameters of P. xylostella under laboratory conditions. In addition, effects on development time, pupation rate, larval and pupae weight, fertility, and survival in the parent and F1 generations were assessed. When 4th instar P. xylostella larvae were exposed to LC25 of chlorantraniliprole on a cabbage (Brassica oleracea var. capitata L.) leaf for 96 h, we observed increased developmental time for 4th instar larval to pupa period (4.27 days vs. 3.34 days in the control), lower pupal weight (3.58 mg vs. 4.17 mg in the control) and decreased adult fecundity (by 42%). F1 generation underwent transgenerational effects, i.e. higher developmental time from egg to pre-pupae and lower egg hatching rate occurred. Demographic growth parameters, such as the net reproductive rate (R0), the intrinsic rate of increase (rm), and finite rate of increase (λ) were significantly lower for the LC25 chlorantraniliprole treated group than for the untreated control. Our results suggest that exposure to LC25 of chlorantraniliprole may have negative effects both on exposed individuals and on subsequent generations in P. xylostella. |
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