高压汞灯诱杀棉铃虫成虫技术的研究

A study on techniques to trap and kill the cotton boll worm adults with high-voltage mercuric lamps

对高压汞灯诱杀棉铃虫成虫的使用技术及防治效果进行了系统研究．结果表明，使用高压汞灯诱杀棉铃虫成虫的最佳控制半径为150m，架灯距离3000m，架灯高度1．5－2m，交错式布局，成虫始盛期至盛末期开灯使用，每d开灯时间以晚9点至凌晨5点为宜．大面积连片应用高压汞灯的防治效果良好，平均可减少田间落卵量41．46％，减少田间施药次数2－3次．

Studies were dried out on the techiques and effects of using the high voltage mereuric lamps trap and kill the cotton boll worm (Heliothis armigera Hubner ) adults in the field.The results showed that the mercuric lamps should be cross distributed 1 .5 - 2m high,at 300 - metre intervals, for the best control ardius of the lamps was 150m.lt will trap and kill more cotton boll worm adults when the mercuric lamps began to be used at early full adults stage and ended at late full adults stage,and the mercuric laps should be turned on at 9 p.m.and turned off at 5 a.m.the next day.The effects of oontrolling the cotton boll the cotton hall worm will be better when the mercuric are used in a large number of cotton fields,and the percent of the cotton boll - worm yolks will be reduced by 41.46%, and the times of using pesticide will be reduced by 2 or 3 times.