1986年9月26日在比利时首都布鲁塞尔召开了国际杨树委员会第33届执委会会议。会议决定,第18届国际杨树会议将于1988年秋在中国召开。国际杨树委员会成立于1947年,共有32个成员国,隶属联合国粮农组织领导。我国于1980年正式加入该组织,并被选入由12个委员组成的执行委员会。依照惯例,每隔四年召开一次大会,进行学术交流。在本次执委会会议期间,分别在意大利、法国和比利时召开 September 26, 1986 in Brussels, Belgium, the International Poplar Commission held the 33rd Executive Board meeting. The meeting decided that the 18th International Poplar Conference will be held in China in the autumn of 1988. International Poplar Committee was established in 1947, a total of 32 member states, under the leadership of the UN Food and Agriculture Organization. My country formally joined the organization in 1980 and was elected to a 12-member executive committee. In accordance with established practice, every four years to hold a conference for academic exchanges. During the Executive Committee meeting, held in Italy, France and Belgium respectively