Effect of X-ray irradiation on development, flight, and reproduction of Spodoptera litura

文献类型： 外文期刊

第一作者： Jiang, Shan

作者： Jiang, Shan;Jiang, Shan;Jiang, Shan-Shan;Yang, Xian-Ming;Wu, Kongming;Fu, Xiao-Wei;Zhao, Hui-Yuan

作者机构：

关键词： Spodoptera litura; sterile insect technology; X-ray; radiation biology; release ratios

期刊名称：FRONTIERS IN PHYSIOLOGY （ 影响因子：4.755； 五年影响因子：5.316 ）

ISSN：

年卷期： 2022 年 13 卷

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收录情况： SCI

摘要： Spodoptera litura is an omnivorous pest that has spread globally. Because irradiation sterilization technology has a great potential for control of S. litura, the effect of 25-150 Gy doses of X-rays on pupal survival, flight and reproductive variables of adult moths were analyzed in this research. The X-ray irradiation with the dose of 25-150 Gy significantly affected the reproductive ability of females. Irradiating male pupae with 25-150 Gy doses of X-rays had no effect on mating, life span, or flight ability of adult moths, but significantly reduced survival and fecundity of their offspring, and the sterility rate of the F-1 generation was 52.65%-99.9%. The results of logistic curve fitting showed that the sterility impact was 84% at the most appropriate irradiation dose (71.26 Gy). The sterility control was 91% in an indoor mating competition experiment when the release ratio of irradiated males (75 Gy) to nonirradiated males reached 12.6:1. The effects of X-ray irradiation doses on biological variables of S. litura and the most effective release ratio determined here provide a theoretical foundation for using radiation sterilization technology to control S. litura.

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