一、三年来红铃虫为害棉花的情况南通专区农业技术中心站(即江苏省南通棉花专业试验站),自1956年建站以来,每年棉田面积均在两千亩左右,而遭受红铃虫的危害,历年都是严重的。三年来调查平均蕾被害率为7.09%,花被害率为8.93%,铃被害率为39.28%,籽棉被害率为5.83%。我站测候记载年平均温度约15℃,全年降雨量1,000毫米以上,相对湿度为77—92%,而红铃虫的生活条件则以年温 One or three years of pink bollworm damage cotton situation Nantong area agricultural technology center station (ie Jiangsu Nantong cotton professional test station), since 1956 since the establishment of the station, the annual area of ​​cotton fields are about two thousand acres, while suffering from pink bollworm Hazard, over the years are serious. In the past three years, the average rate of buds and buds was 7.09%, 8.93% and 39.28% respectively, and the rate of seed and cotton victims was 5.83%. My station measured the annual average temperature of about 15 ℃, the annual rainfall of 1,000 mm above, the relative humidity of 77-92%, while the living conditions of pink bollworm in annual temperature