沙柳优良无性系选择  

SELECTION OF EXCELLENT CLONES OF Selix psammophila

作　　者：安守芹[1] 乌云塔娜[1] 周凤娴 黄晶 

机构地区：[1]内蒙古农业大学生态环境学院,呼和浩特010019 [2]内蒙古林木种苗站,呼和浩特010012 [3]伊盟达旗农牧学校

出　　处：《内蒙古农业大学学报（自然科学版）》2001年第1期49-54,共6页Journal of Inner Mongolia Agricultural University(Natural Science Edition)

基　　金：国家自然科学基金项目!(39360 0 0 5)

摘　　要：本研究对沙柳 92个无性系 ,自 1996～ 2 0 0 0年进行了田间试验 ,筛选了高优质、高产量、高速生、高抗逆的达采、 - 、X - 13、 - 0 1、X - 0 8等 10个优良无性系。研究结果表明 ,在沙柳无性系间速生性、抗逆性、适应性和生物量等数量性状存在丰富而广泛变异 ;其重要经济性状——生物量主要受树高、地径、叶重、叶数、萌条数和保存率等因子影响 ;树高、地径与生物量早晚期相关显著 ,其树高达到极显著水平 ;干枝比、枝下高与生物量呈负相关 ,选择可作为独立性状。Field test of ninety-two clones was carried out from 1996 to 2000.Seven excellent clones of good guality,high production fast growth and strong resistance were selected,involving Da Cai、Ⅴ Ⅱ、ⅩⅣ 13、Ⅲ 01、ⅩⅣ 08 etc. The results showed there are rich and popular variation in many quantity characters such as fast-growth、resistance、adaption、and biological volume among clones of Salix psammophila.The most important economic character,biological volume,is much influenced by height、diameter、leaf weight、leaf number、Shoot number、survival rate and so on.In early and late days,the relation ships between height、diameter and biological volume are significant.The relationship between height and biological volume is highly Significant.The relation ships between trunk-branch ratio.height below the first branch and biological volume are negative.These can be viewed as independent characters.

关 键 词：沙柳 无性系 选择 

分 类 号：S793.904[农业科学—林木遗传育种] S792.120.4[农业科学—林学]