多点试验结果表明,灯光诱杀棉铃虫效果优于性诱剂、杨树枝把等;用灯光诱蛾,每年可减少药剂防治2次。最佳设灯半径为80～130m。 The results of multi-point experiments showed that the light-induced killing of cotton bollworm was superior to that of lure, and that of the branches of poplar and the like; and light-induced moths could reduce the dosage of medicaments twice a year. The best setting lamp radius is 80 ~ 130m.