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目前,春播棉花陆续进入花铃期,正值高温多雨季节,是棉花病虫害高发多发时期,特别是盲蝽蟓、枯黄萎病、棉铃虫、棉红蜘蛛、伏蚜等往往交织发生,将给棉花生长带来不利影响。从全省当前棉花病虫发生情况分析,沧州、衡水、石家庄棉红蜘蛛偏重发生,邢台、邯郸伏蚜偏重发生,局部棉铃虫发生较重,后期沧州以棉盲蝽蟓防治为重点。因而棉农要针对病虫害发生发展态势,把握住防治关键期,做好棉花中后期病虫害防治工作。
At present, the spring cotton sowing gradually enters the flower-boll stage, which is at a high temperature and rainy season. It is a period of high incidence of cotton pests and diseases, especially the bugs, yellow wilt, cotton bollworm, cotton spider mite, Growth adversely affected. From the analysis of the occurrence of the current cotton pest in the province, cotton spider mites in Cangzhou, Hengshui and Shijiazhuang are preoccupied with the occurrence of the cotton aphid in Xingtai and Handan areas, and the occurrence of some cotton bollworm is heavier. Therefore, cotton farmers should take the pest outbreak of development trend, grasp the key period of prevention and control, do a good job in the prevention and control of cotton in the late pest.