Jiang Shan, Fu Xiao-Wei, Jiang Shan-Shan, Yang Xian-Ming, Zhao Hui-Yuan, Wu Kongming
College of Plant Protection, Shenyang Agricultural University, Shenyang, China.
State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China.
Front Physiol. 2022 Jul 18;13:947848. doi: 10.3389/fphys.2022.947848. eCollection 2022.
is an omnivorous pest that has spread globally. Because irradiation sterilization technology has a great potential for control of , 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 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 and the most effective release ratio determined here provide a theoretical foundation for using radiation sterilization technology to control .
是一种已在全球传播的杂食性害虫。由于辐照灭菌技术在控制该害虫方面具有巨大潜力,本研究分析了25 - 150 Gy剂量的X射线对蛾蛹存活、成虫飞行及生殖变量的影响。25 - 150 Gy剂量的X射线辐照显著影响雌虫的生殖能力。用25 - 150 Gy剂量的X射线辐照雄蛹,对成虫蛾的交配、寿命或飞行能力没有影响,但显著降低了其后代的存活率和繁殖力,F代的不育率为52.65% - 99.9%。逻辑曲线拟合结果表明,在最合适的辐照剂量(71.26 Gy)下,不育影响最大为84%。在室内交配竞争实验中,当辐照雄虫(75 Gy)与未辐照雄虫的释放比例达到12.6:1时,不育控制率为91%。这里确定的X射线辐照剂量对该害虫生物学变量的影响以及最有效的释放比例,为利用辐射灭菌技术控制该害虫提供了理论基础。