由我院和江苏省林科所共同负责,江苏省泗阳、睢宁等县参加的优良杨树品种引种试验,经七年努力,已经完成。江苏省科委、省农林局于一九七九年十月在泗杨县召开了技术鉴定会,审查并通过了鉴定。 引种成功的欧美杨Ⅰ—72、Ⅰ—45、Ⅰ—214、美洲黑杨Ⅰ—63、Ⅰ—69和欧洲黑杨加龙杨等六个无性系是一九七二年从意大利引入的,在江苏省徐淮地区生长十分迅速、抗病。根据目前生长情况,十年左右即可达到每株生产木材0.7—1m~3的高产水平。 By our hospital and the Forestry Bureau of Jiangsu Province jointly responsible for, Jiangsu Province, Siyang, Suining and other counties to participate in the introduction of good varieties of poplar trials, after seven years of hard work has been completed. Jiangsu Provincial Science and Technology Commission and Provincial Agriculture and Forestry Bureau held a technical appraisal meeting in Siyang County in October 1979 to review and pass the appraisal. Six clones successfully introduced from the United States, including Ⅰ-72, Ⅰ-45, Ⅰ-214, American Poplar Ⅰ-63, Ⅰ-69 and Populus tomentosa, were introduced from Italy in 1972, Xuhuai province is growing very rapidly, disease resistance. According to the current growth, about ten years to achieve high-yield level of 0.7-1m ~ 3 per plant.