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甜菜夜蛾在高唐县已上升为夏秋季节辣椒上的主要害虫。2001年8月上旬后大暴发,辣椒一般被害株率40%~75%,被害叶率48%~100%,严重地块辣椒减产40%~60%。现根据近年调查和试验结果,对其暴发原因及防治措施做简要叙述。1 发生特点 甜菜夜蛾在本县1a发生5代,气温偏高
Beet armyworm in Gaotang County has risen to summer and autumn peppers on the main pests. After the outbreak in early August 2001, peppers were generally killed 40% to 75% of the plant, the victim leaves rate of 48% to 100%, 40% to 60% of the mass production of peppers. According to recent years of investigation and test results, the reasons for its outbreak and prevention measures to do a brief description. 1 Occurrence characteristics Beet armyworm occurred in the county 1a generation 5, the temperature is high