电子束辐照对嗜虫书虱的生物效应

来源 :湖北农业科学 | 被引量 : 0次 | 上传用户:fuzi001
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为了控制嗜虫书虱对烟草及其他仓储物的危害,利用不同剂量的电子束对不同虫态的嗜虫书虱进行辐照处理,研究了其辐照效应.结果表明,嗜虫书虱的卵、若虫、成虫对电子束辐照的敏感性依次降低;100 Gv剂量辐照处理的嗜虫书虱卵不能孵化;成虫和若虫经辐照后21 d的半致死剂量LD50分别为198.5 Gv和175.9 Gv;250 Gv剂量辐照处理的嗜虫书虱成虫和若虫在49 d内全部死亡,并且导致成虫不能产生下一代成虫.因此,250 Gv的剂量可以作为电子束辐照防治嗜虫书虱的参考剂量.
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