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利用黑光灯诱蛾是防治棉花害虫的重要措施之一。自从推广黑光灯以来,各地对它的作用和使用方法,有不少介绍,亦有不少争论。下面谈谈我们对黑光灯诱蛾几个问题的认识。一、黑光灯的诱蛾效果问题我们从一九六四年开始用黑光灯作诱蛾观察,从诱蛾量来看是比较多的。拿斜纹夜蛾和棉夜蛾,一支20W黑光灯的诱蛾量超过三个树枝把诱蛾量的十多倍。据一九七二至一九七五年四年的统计,一支黑光灯共诱斜纹夜蛾9157只,一九七六至七七年两年共诱棉夜蛾3286只,最多每夜每支灯能诱斜纹夜蛾486只,棉夜蛾241只。从一九七七年第四代斜纹夜蛾发生情况来看,金清农场一、五两个大队未装黑光灯,平均每亩棉田产卵58.6
It is one of the important measures to control cotton pests by using black light to induce moths. Since the promotion of black light, there have been many presentations on the role and use of black lights in various places. There have also been many controversies. Here to talk about our understanding of the black light trap several problems. First, the black light effect of the moth effect We started from 1964 with black light for the observation of moths, from the amount of moths is more. Take Spodoptera litura and Spodoptera exigua, a 20W black light trap more than ten times the amount of the trap. According to the statistics of the four years from 1972 to 1975, a total of 9,157 Spodoptera litura larvae were co-lured by a black light bulb, and 3,086 were induced by two-year luggages from 1976 to 1977, up to a maximum of Light bulb entomology Spodoptera litura 486, 241 cotton bollworm. From 1977, the fourth generation of Spodoptera exigua situation, Jinqing Farm, one or two two brigades did not install black light, the average spawning of 58.6 acres of cotton