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棉花红蜘蛛是鄱阳湖地区棉花的主要害虫。由于该虫抗药性强,繁殖迅速,棉花往往遭受危害而落叶光杆,对产量损失威胁甚大。如1974、1978、1979、1981、1982等年份,都昌、湖口、波阳、星子等县就有10万余亩受其危害,产量损失30~60%,严重的1万余亩,损失达90%。为了确保棉花高产,近年来,我们对棉红蜘蛛的发生情况,越冬寄主等进行了观察研究。现将都昌县测报站的资料整理如下:
Cotton spider mite is the main pest of cotton in Poyang Lake area. Due to its strong resistance to insecticides and its rapid propagation, cotton is often endangered and pollinated, threatening yield losses. Such as 1974, 1978, 1979, 1981, 1982 and other years, Duchang, Hukou, Bo Yang, Xingzi and other counties have more than 10 acres affected by the damage, the output loss of 30 to 60%, a serious 10,000 acres, the loss Up to 90%. In order to ensure high yield of cotton, we observed and studied the occurrence of spider mites, wintering host, etc. in recent years. Data are now Duchang County Survey Station as follows: