Effects of X-ray irradiation on the fitness of the established invasive pest fall armyworm Spodoptera frugiperda
文献类型: 外文期刊
第一作者: Jiang, Shan
作者: Jiang, Shan;Yang, Xian-Ming;Wu, Kong-Ming;Jiang, Shan;Yang, Xue-Qing;He, Li-Mei;He, Wei;Zhao, Hui-Yuan
作者机构: Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing, Peoples R China;Shenyang Agr Univ, Coll Plant Protect, Key Lab Econ & Appl Entomol Liaoning Prov, Shenyang, Liaoning, Peoples R China;Chinese Acad Agr Sci, Inst Urban Agr, Chengdu, Peoples R China;Fujian Agr & Forestry Univ, Inst Appl Ecol, State Key Lab Ecol Pest Control Fujian & Taiwan C, Fuzhou, Peoples R China;Hebi Jiaduo Ind & Trade Co Ltd, Hebi, Henan, Peoples R China
关键词: Spodoptera frugiperda; sterile insect technology (SIT); X-ray; radiation biology
期刊名称:PEST MANAGEMENT SCIENCE ( 2021影响因子:4.462; 五年影响因子:4.688 )
ISSN: 1526-498X
年卷期: 2022 年 78 卷 7 期
收录情况: SCI
摘要: BACKGROUND Spodoptera frugiperda has spread to Africa, Asia, and Oceania, posing a serious threat to global agriculture. We estimated the appropriate dose of X-ray sterilization for S. frugiperda using an X-ray irradiation instrument to investigate environmentally acceptable control techniques, laying the framework for future applications of sterile insect technology (SIT) to manage the pest environmentally-friendly. RESULTS This study is the first to investigate the effects of X-ray irradiation on the growth, development, survival, reproduction, and flight of S. frugiperda. The results showed that irradiation with 50-400 Gy had no significant effect on pupal eclosion, but females were more sensitive than males in terms of reproductive parameters, especially when doses of radiation were > 350 Gy. After irradiation with a sub-sterilizing dose of 250 Gy, the parental sterility rate was > 85%, and the sterility traits could be passed on to their offspring, resulting in a continuous decrease in the population of F-1 and F-2 generations. CONCLUSION Our laboratory experiments theoretically confirmed the feasibility of SIT for controlling S. frugiperda in the field using X-ray radiation. This study provides a theoretical basis for future regional pest management strategies. (c) 2022 Society of Chemical Industry.
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