论文部分内容阅读
由南京林业大学主持、南京市农林局等单位参加协作的“林区水面设灯诱杀松毛虫及利用研究”,3年来通过林区2万余亩、设灯80余盏的多点试验,于去年12月上旬由南京市科委组织有关专家、教授评议,通过成果鉴定。马尾松毛虫是我国南方松林最严重的害虫,遍及全国16个省、区,常年危害面积达4000多万亩,每年因虫害影响林木生长量约370万立方米。由于各林区以往每年主要依赖喷洒化
By the Nanjing Forestry University, Nanjing Forestry Bureau and other units to participate in the collaboration of “forest water surface light trap trap and use of pine caterpillars and research”, 3 years through the forest more than 2 acres, more than 80 lights set more than a trial in In early December last year, Nanjing Science and Technology Commission organized experts and professors to review and approve the results. Masson pine caterpillars are the most serious pests in the pine forests in southern China, covering 16 provinces and regions throughout the country, perennial damage area of more than 4,000 mu, the annual growth of trees due to pests affect about 3.7 million cubic meters. Since forest areas have mainly relied on spraying each year in the past