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近年来,我县棉铃虫发生量逐年增多,为害日趋严重,成为影响棉花稳产高产的一个重要原因。1972年是棉铃虫大发生年,据调查,棉田第三代卵量每亩达2l,600粒,百株卵量348粒,一株卵多达36粒。为了减轻棉铃虫为害,夺取棉花丰收,从当年7月底起,开展了杨树把诱蛾的群众运动,全县九万亩棉田有54％的面积进行了扎把诱蛾,共扎杨树把34.4万个,诱集棉铃虫蛾255.6万头,其中集中棉产区武穴和龙坪两公社有80％棉田进行了杨树把诱蛾,共诱224万头,
In recent years, the occurrence of cotton bollworm in our county increased year by year, the damage is becoming more and more serious, becoming an important reason that affects the stable and high yield of cotton. 1972 is the year of the occurrence of cotton bollworm, according to the survey, the third generation of cotton oats up to 2l per mu, 600, a hundred eggs, 348 grains, an egg up to 36 grains. In order to reduce the damage of cotton bollworms, to seize the cotton harvest, from the end of July that year, the poplar carried the mass movement of the moths, the county 90,000 acres of cotton fields have 54% of the area to tie the trap to attract moths, 34.4 million to trap 2.56 million cotton bollworm moths, of which concentrated cotton-producing areas Wuxue and Longping two communes have 80% of the cotton fields were trapped by poplar, a total of 2.24 million lure,