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(转摘自广东肇庆地区《林业科技简讯》七五年第一期) 繁育杉木良种,一般都要经过选择优树,然后采集优树的枝条通过嫁接成无性系,以后再作子代鉴定。或进一步鉴定和精选少数无性系繁殖,或杂交培育新品种。但杉树嫁接普遍存在树冠偏斜的问题,多年来,均未得到很好的解决。我所在六一年开始试验嫁接了一批杉树良种,由于树冠偏斜问题加上管理不善,第
(Transferred from “Forestry Science and Technology Briefing,” Zhaoqing, Guangdong Province, Issue 1, Seventy-Five) The breeding of fir seeds is usually done through the selection of elite trees, and then the branches of the elite trees are collected and grafted into clones for later identification. Or further identification and selection of a small number of clones breeding, or hybrid breeding new varieties. However, the problem of canopy skew prevailing in cedar grafting has not been well solved for many years. My own experiment began in grafting of a batch of cedar seedlings in 61. Due to the problem of tree crown deflection and mismanagement,