自1976年开始,我社一直采用一代棉花红铃虫虫害花高峰加期距12天来测报蛾子发生高峰,但经实践检验,这样的预测偏早。1980年搞了红铃虫虫害花到羽化蛾子历期试验,结果表明:棉花一代红铃虫虫害花到羽化蛾子历期为14.2天. 一、试验方法 1980年7月26日～8月20日,每天把危害花 Since 1976, CCS has been using a generation of cotton bollworm flower peak plus 12 days to measure the peak moth, but the practice test, so early in the forecast. In 1980, the trial of the genus Bursaphelenchus xylophilus on the emergence of the moths was carried out. The results showed that the cotton flower of the genus Bursaphelenchus to the moths was 14.2 days old .First, the test method was from July 26 to August 20, 1980 Harm the flowers every day