【摘要】 概述了中国50多年来杨树良种选育研究进展及取得的成就。介绍了当前杨树良种推广应用的现状、存在的问题及需求。针对我国林业及木材产品的近期需求情况,特别是杨木在纸浆和人造板加工中的适宜性,以及我国气候型复杂多样,原生杨树物种资源居世界之首等现实,提出了我国杨树育种发展对策。更多还原

【Abstract】 Poplar fine breeding progress and achivements were stated since more than 50 years.Status quo,problems and need about poplar fine breed extend and apply were introduced.Cunter-measures for development China poplar breeding were offered according to China poplar production market is big,especially poplar paper pulp and artificial board are big in need,the kind of climate is complex and diversity,Proto poplar species resouces of our country are the most in the world.更多还原