大力推广防治棉铃虫的有效经验全国农业技术推广服务中心赵清棉铃虫自９０年代以来，连续在全国范围内大发生，严重制约了棉花生产的发展，广大棉农谈虫色变。一家一户单一防治，投入成本高而防治效果差，已不能适应新形势的需要，开展棉铃虫的统防统治已成为植保工作的必... Efforts to promote the effective experience of prevention and treatment of cotton bollworm The National Agricultural Technology Extension Service Center Zhaoqing bollworm since the 1990s, a continuous large-scale occurrences across the country, severely restricted the development of cotton production, the majority of cotton farmers worms discoloration. The single prevention and treatment of one family, with high input costs and poor prevention and control effects, can no longer meet the needs of the new situation and must be carried out with the goal of plant protection.