杉木无性系扦插繁殖生根机理  

Rooting Mechanism of Rooted Cutting of Cunninghamia lanceolata Clone

作　　者：何祯祥[1] 蒋恕[1] 叶志宏[1] 施季森[1] 

机构地区：[1]南京林业大学

出　　处：《浙江林学院学报》1994年第1期38-44,共7页Journal of Zhejiang Forestry College

基　　金："八五"国家科技攻关资助

摘　　要：杉木穗条不定根的发生属于诱生根原始体型。不定根发生部位有两种类型：皮层生根型和混合生根型，但以皮层生根型为主。不同无性系开始发根时间有显著差异。在观察期内，发根最早的无性系生根时间为２３ｄ。The adventitious roots of cuttings from Cunninghamia lanceolatabelong to the type of root primodia after being induced. There are twotypes of rooting :adventitious roots originated from cortices and adventiti-ous roots originated from calli,with give first places to the former. For-mation of adventitious roots among the clones has a significant differencein date. After cutting, clone NO.119 emerged adventitious roots in 23 days,which is the earliest one among the clones.

关 键 词：杉木 繁殖 无性系 扦插 

分 类 号：S791.270.4[农业科学—林木遗传育种]