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良种绿化造林是我国林业生产发展的重要途径。至1987年底,全国40多个主要树种的良种基地面积已达3.77万多ha。为了加强基地的病虫害防治工作,培训技术干部,保证良种稳产高产,1989年11月2日至22日,林业部中国林木种子公司和浙江省林业厅种苗站在杭州市举办了“全国林木良种基地病虫害防治专题讲座”。聘请著名昆虫分类学家刘友樵、郑乐怡和何俊华等讲授鳞翅目、半翅目和膜翅目昆虫中,侵害种实有关的科的特征及主要种类的鉴
Fine planting green afforestation is an important way for the development of forestry in China. By the end of 1987, more than 37,700 ha had been planted in more than 40 major tree species throughout the country. In order to strengthen the prevention and control of pests and diseases at the base and train technical cadres to ensure stable and high-yielding varieties, from November 2 to November 22, 1989, the Chinese forest seed company of the Ministry of Forestry and the seedling station of Zhejiang Forestry Department held the “National Forest Variety Base pest and disease prevention seminar. ” Hired well-known insect taxonomists Liu Youqiao, Zheng Leyi and He Junhua and other lectures Lepidoptera, Hemiptera and Hymenoptera insects, invasive species related to the characteristics and the main types of Kam