目前,同种树木材性的遗传变异已得到人们的普遍承认,用育种的方法能获得优质木材也已成为确定的事实。作为一种重要工程材料及制浆造纸工业主要原料的木材,要想继续保有现在的地位,培育材性符合特定要求的林木是十分重要的。仅仅培育出抗病、抗虫、抗旱及速生的林木是不够的,还必须注意最终 At present, the genetic variation of the same species of wood has been widely recognized by the people, and it has also become a confirmed fact that breeding timber can obtain good quality wood. As a kind of important engineering material and the main raw material of pulp and paper industry, it is very important to cultivate timber with specific requirements in order to maintain its present status. It is not enough to cultivate disease-resistant, insect-resistant, drought-resistant and fast-growing trees, but we must also pay attention to the end