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害虫综合防治是一门多门类的新型科学。近年来,我们运用综合防治新技术,对马尾松毛虫的发生及防治规律进行探讨研究,掌握了一定的主动权,使其危害自1975年至今,已有十年未成灾,收到了明显的经济效益、社会效益和生态效益。一、马尾松毛虫发生与防治的历史概况桐柏县地处北亚热带的北缘,属季风型大陆性气候,年平均气温15℃,地形为低山丘陵区。全县现有马尾松成幼林七十五万亩,
Integrated pest management is a new type of science. In recent years, we have used integrated prevention and treatment of new technologies to study and study the occurrence and prevention and control laws of Dendrolimus punctatus, and have mastered a certain degree of initiative to make it a hazard that has lasted ten years since 1975 and has received significant Economic benefits, social benefits and ecological benefits. First, the history of occurrence and control of pine caterpillars Tongbai County is located in the northern margin of the northern subtropics, a monsoon-type continental climate, the annual average temperature of 15 ℃, the terrain for the hilly area. The existing Masson pine into a young forest 750000 mus,