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棉铃虫是我国北方棉区的主要蕾铃期害虫。鉴于以往长期大量使用化学农药防治,引起棉铃虫抗药性增加,污染环境等严重问题。近年来,在“预防为主,综合防治”植保方针指导下,综合防治取得了很大的进展,以虫治虫,以菌治虫的生物防治已经成为一个相当活跃的研究领域。近年来我所探索微生物防治棉铃虫,引用核多角体病毒防治棉铃虫,取得了很好的
Cotton bollworm is the main cotton boll stage insect pest in northern cotton area in China. Given the long-term heavy use of chemical pesticides prevention and control, causing increased resistance to bollworm, polluting the environment and other serious problems. In recent years, great progress has been made in integrated prevention and treatment under the guidance of the “prevention-oriented and comprehensive prevention and cure” plant protection policy. The prevention and control of pests and insect pests by biocontrol has become a rather active research area. In recent years, I have explored the prevention and treatment of cotton bollworm microorganisms, reference nuclear polyhedrosis virus control bollworm, made very good