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松干蚧是为害我省松树的主要害虫之一,近几年在毛主席革命路线的指引下,虽然进行了积极防治,但目前发生、蔓延仍很严重。省农业局为了组织全省松干蚧普查,摸清分布范围,及时进行综合防治,确保现有松林的正常生长,在烟台地区昆嵛山林场举办了第一期松干蚧普查学习班。 学习班自5月15日开始至5月20日结束,历时六天。参加学习的有烟台、昌潍、泰安、临沂、青岛、淄博等地、市及省林业研究所的三十多个同志。学习期
It is one of the major pests that damage pine trees in our province. In the past few years, under the guidance of Chairman Mao’s revolutionary line, despite the active prevention and treatment, the occurrence and spread of the disease are still serious. Provincial Bureau of Agriculture in order to organize the province’s survey of ciliate, find out the scope of distribution, timely comprehensive prevention and control, to ensure the normal growth of the existing pine forests, Kunming Hill Farm in Yantai Kunlucaoshan held the first phase of Census crassipes census classes. The classes started from May 15 to May 20 and lasted six days. Participate in the study of Yantai, Chang Wei, Tai’an, Linyi, Qingdao, Zibo and other cities, and provincial Forestry Institute more than thirty comrades. Study period