论文部分内容阅读
棉铃虫(Heliothis armigera Hubner)是新疆维吾尔自治区塔里木河流域普遍发生的农业主要害虫之一,一般一年发生三代,第一代卵高峰在6月上旬;第二代卵高峰在7月中旬;第三代卵高峰在9月初,其中第二代和第三代为害棉花较重,往往造成棉花的蕾铃脱落、虫蛀铃、烂铃,严重地影响棉花的产量和品质。由于多种原因,化学防治很不理想,因此有必要探索新的防治途径。 1974年,在深入开展批林批孔运动的推动下,在兵团、师、所各级领导的支持下,我们在1973年引种赤
Heliothis armigera Hubner is one of the major agricultural pests commonly occurring in Tarim River Basin in Xinjiang Uygur Autonomous Region. It usually takes three generations a year, with the first generation egg peak in early June and the second generation egg peak in mid July. Three generations of egg peak in early September, of which the second and third generations of heavier cotton damage, often resulting in cotton buds fall off, borers bell, rotten bell, seriously affecting the yield and quality of cotton. For many reasons, chemical control is not ideal, so it is necessary to explore new ways of prevention and control. In 1974, with the support of the leadership of the Corps, divisions and teachers at all levels, driven by the thoroughgoing campaign of criticizing the proletariat and the proletariat, we introduced the red