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我国通过选择正号树而进行的林木育种工作已近三十年了。本文根据我国林木育种的过去和现状,试就今全的工作谈点自己的意见。一、育种事业的现状通过选择正号树而进行的林木育种事
Nearly thirty years have passed since the breeding of trees in our country by choosing the tree of positive numbers. Based on the past and current status of tree breeding in our country, this paper tries to talk about our own opinions on the work of this whole country. I. Current Situation of Breeding Business Tree Breeding by selecting a tree of positive signs