学术
摘 要:
对5个杂交组合的30个杂交杨无性系1 a生扦插苗的分枝习性和冠层结构的研究,其结果表明不同无性系的分枝习性和冠层结构存在很大差异。总体上看,DN杂交的无性系的侧芽基本不萌发,冠层结构简单,NE杂交的无性系侧芽易萌发,形成大量分枝角小的细侧枝,而TD杂交的无性系当年生侧芽极易萌发,形成大量分枝角大的较粗大侧枝。[著者文摘]
文章出处:
《四川林业科技》-2008年29卷1期 -43-46页
栏目信息:
分 类 号:
文献标识码:
A
文章编号:
1003-5508（2008）01-0043-04
A Study of Branching Characteristics of Cutting Plants Derived from 30 Hybrid Poplar Clones
WAN Xue-qin, ZHANG Fan, HU Ting-xing （ 1. College of Forestry, Siehuan Agricultural University, Ya＇an 625014, Siehuan; 2. Sichuan Key Laboratory of Forest Ecological Engineering, Ya＇an 625014, Sichuan）
Abstract:
Studies were made of branching characteristics and canopy structures on the basis of the investigation of 30 poplar clones derived from 5 hybrid combinations. The results indicated that branching characteristics and canopy structures varied among different clones. Generally, the buds of one year old cutting plants derived from DN hybrid poplar clones were difficult to germinate and had few branches, which constructed very simple tree crowns, while the buds of NE clones easily germinated and had compact canopies with many small branches; The TD clones＇ buds very easily burgeoned and had patulous crowns with many branches.[著者文摘]
Key words:
Poplar, Branching characteristics, Canopy, Structure
基金资助:
四川省科技厅“十一五”农作物育种攻关项目（2006YZGG-10）资助
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