诱蛾方法高压汞灯诱蛾防治棉铃虫宜在第二代棉铃虫成虫发生初、盛期进行。在离村庄、建筑物等较远的地方,挖一个长、宽各2米,深20厘米的土坑,将坑四周培成15厘米高、坡度为60度的土沿,用一块3平方米的塑料薄膜铺坑底及坑四周 Moth method High-pressure mercury lamp Moth control Helicoverpa armigera should occur in the second generation of adult cotton bollworm early, peak period. Away from the village, buildings and other places, digging a long, wide and 2 meters deep, 20 cm deep pit, the pit around the training 15 cm high, slope of 60 degrees along the soil, with a 3 square meters Plastic film shop at the end of the pit and pit around