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1983年9月21-28日,林业部在山东省兖州县召开了全国首次杨树病虫害防治座谈会。参加会议的有19个省(区)、市森防站及中国林科院、中国科学院动物所、北京林学院、东北林学院、西北农学院等单位的100余名代表。大会组织参观了兖州县的农田林网、莒县大面积的杨树丰产林及人工招引啄木鸟防治害虫的现场;邀请了科研、教学单位的专家介绍当前国内外杨树病虫害的研究情况;各省(区)、市森防站分別介绍了杨树病虫害发生情况及防治经验;代表们对防治工作中存在的
September 21-28, 1983, the Ministry of Forestry in Yanzhou County, Shandong Province held the first poplar pest control forum. More than 100 delegates from 19 provinces (autonomous regions), Shenyang Morimitsu Station and Chinese Academy of Forestry, Chinese Academy of Sciences Animal Husbandry, Beijing Forestry College, Northeast Forestry College and Northwest Agricultural College participated in the conference. The congress organized visits to the farmland forest network in Yanzhou County, a large area of poplar high-yield forests in Yixian County and man-made woodpecker pest prevention and control sites. Experts from scientific research institutes and teaching units were invited to introduce current research on poplar pests and diseases at home and abroad; District), City Forest Prevention Station were introduced poplar pest and disease prevention and control experience; representatives of prevention and control work exists