【摘要】 涪陵地区属稻飞虱常发、重发区。根据多年的系统监测资料,研究分析了稻飞虱在本地区常年发生偏重的原因,并通过防治实践提出了改7月下旬至8月上旬主治第三代为7月上、中旬主治第二代的“压前控后”治理对策,并收到了很好效果。更多还原

【Abstract】 The rice planthopper outbreaks year in year out in Fuling District. Ba sed on systemic monitoring data for many years, the reasons of outbreak of rice planthopper were analyzed. According to control practice, the traditional method of mainly controlling the third generations of rice planthopper from the last t en days of July to the first ten days of August should be changed. The best stra tegy is to mainly control the second generations in the first ten days and the m iddle ten days of July. Very good results were achieved after executing the new managing strategies.更多还原