用灯光或性引诱剂诱蛾,都是在小面积上让害虫自投罗网的方法。这里介绍的辐射不育防治害虫的方法,则可以在大面积上让害虫自取灭亡。辐射不育是利用放射性同位素~(60)钴或~(137)铯放出的γ射线,照射蛹或成虫,使害虫的精子或卵子细胞染色体发生突变,但雌虫仍能释放性外激素,引诱雄虫;雄虫也维持有竞争交尾的能力。这种虫 Light or sexual attractants attract moths, all in small areas that allow insects to cast nets. The method of controlling infestation by infertility introduced here can allow the pests to kill themselves on a large area. Infertility is the use of radioactive isotope of ~ (60) cobalt or ~ (137) cesium release of gamma rays, irradiation pupal or adult, the pest sperm or egg cell chromosome mutation, but the female can still release sex pheromone, lure Male; males also maintain competitive mating ability. This worm