[1]于海洋,庞忠义,殷春红,等. 100个杨树无性系生长及材性变异研究[J].西北林学院学报,2023,38(4):134-142.[doi:10.3969/j.issn.1001-7461.2023.04.17]
　YU Hai-yang,PANG Zhong-yi,YIN Chun-hong,et al. Variation Analysis on the Growth and Wood Properties of 100 Poplar Clones[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2023,38(4):134-142.[doi:10.3969/j.issn.1001-7461.2023.04.17]
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 100个杨树无性系生长及材性变异研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第38卷
期数:
2023年第4期
页码:
134-142
栏目:
出版日期:
2023-07-31

文章信息/Info

Title:
 Variation Analysis on the Growth and Wood Properties of 100 Poplar Clones
文章编号:
1001-7461(2023)04-0134-09
作者:
 于海洋1; 2; 庞忠义3; 殷春红3; 丁昌俊4; 王福森5; 张金旺6; 金培林7; 付志祥7; 曲冠证1; 赵曦阳1; 2*
 （1.林木遗传育种国家重点实验室 东北林业大学，黑龙江 哈尔滨 150040；2.吉林农业大学 林学与草学学院，吉林 长春 130118；3.国有新民市机械林场，辽宁 沈阳 110300；4.中国林业科学研究院 林业研究所，北京 100091；5.黑龙江省林业科学院 齐齐哈尔分院，黑龙江 齐齐哈尔 161000；6.内蒙古通辽市林业科学研究院，内蒙古 通辽 362401；7.白城市林业科学院，吉林 白城 137000）
Author(s):
 YU Hai-yang1; 2; PANG Zhong-yi3; YIN Chun-hong3; DING Chang-jun4; WANG Fu-sen5; ZHANG Jin-wang6; JIN Pei-lin7; FU Zhi-xiang7; QU Guan-zheng1; ZHAO Xi-yang1; 2*
 (1.State Key Laboratory of Tree Genetics and Breeding,Northeast Forestry University,Harbin 150040,Heilongjiang,China; 2.College of Forestry and Grassland,Jilin Agricultural University,Changchun 130118,Jilin,China; 3.State-Owned Xinmin City Machinery Forest Farm,Shenyang 110300,Liaoning,China; 4.Forestry Research Institute,Chinese Academy of Forestry,Beijing 100091,China)
关键词:
 ; 杨树; 生长性状; 木材性状; 遗传; 变异
Keywords:
 ; poplar;  growth trait;  wood property;  genetic;  variation
分类号:
S792.11
DOI:
10.3969/j.issn.1001-7461.2023.04.17
文献标志码:
A
摘要:
 研究杨树不同无性系生长与材性变异，选择适应东北地区栽培的优良无性系。以不同地区获得的100个杨树无性系为试验材料，于沈阳市新民地区开展无性系立地对比试验，对各无性系苗期生长性状和木材性状进行测定分析。结果表明，各测定指标在不同无性系间的差异均达极显著水平（P＜0.01）。各指标表型变异系数变化范围为5.45%~39.48%，重复力较高，变化范围为0.702 1~0.991 2。相关性分析结果表明，不同年度的各生长性状间均呈极显著正相关（0.111＜r＜0.911），说明幼龄期杨树无性系生长对后期具有一定的影响；大部分生长与木材性状相关未达显著水平，表明生长性状与木材性状间相关性较弱，应该对无性系生长性状与木材性状分开评价。以10%的入选率，利用多性状综合评价法对杨树无性系进行早期选择，无性系白林2、93-8-18、DM-9-18、CL-3、MD-102、DX-08-01、9216、03-08-08、10-01-74、04-11-31作为生长优良的无性系入选，入选无性系3年生树高平均值可达8.41 m，胸径平均值可达10.26 cm。树高、胸径、地径、冠幅的遗传增益分别为18.86%、24.48%、19.14%、19.12%。以木材性状为评价指标，初选无性系林优4、04-11-31、林优16、阜蒙小青、MCL-22、中辽1号、林优11、中雄4、白林2、CL-20为优良无性系，入选无性系各木材性状遗传增益变化范围为0.03%~ 8.91%。研究中各无性系间存在丰富的变异，筛选的无性系对良种选育具有重要意义，在生长性状与木材性状综合评价过程中无性系白林2均作为优良无性系被筛选，因此初步认定该无性系可作为生长较快且材性较好的优良无性系在当地进行推广利用。
Abstract:
 To explore the variation of the growth traits of poplar clones and select elite breeding materials adapted to cultivation in northeast China,100 poplar clones collected from different areas to Xinmin of Shenyang were used as materials to investigate the growth and wood characters at seedling stage.The results of variance analysis showed that there were significant differences in all indexes among different clones (P<0.01).Phenotypic variation coefficients of each index ranged from 5.45 % to 39.48 %,with high repeatability ranging from 0.702 1 to 0.991 2.Correlation analysis showed that there were significantly positive correlation (0.111<R<0.911) between the growth traits in different years,which indicated that the growth traits at young age had a certain influence on the later stage.Most of the growth traits were weakly correlated with wood characters,which indicated the clonal growth and wood characters should be evaluated separately.Early selection of poplar clones was carried out using the multi-trait comprehensive evaluation method with 10% selection rate.Clone ’Bailin-2’,’93-8-18’,’DM-9-18’,’CL-3’,’MD-102’,’DX-08-01’,’9216’,’03-08-08’,’10-01-74’ and ’04-11-31’ were selected as elite clones based on growth traits,and the average height and DBH of the selected clones were 8.409 m and 10.264 cm in the third growth year.The genetic gains of height,DBH,ground diameter and crown width of selected clones were 18.86%,24.48%,19.14% and 19.12%,respectively.Clone ’Linyou-4’,’04-11-31’,’Linyou-16’,’Fumeng Xiaoqing’,’MCL-22’,’Zhongliao-1’,’Linyou-11’,’Zhongxiong-4’,’Bailin-2’ and ’CL-20’ were selected as superior clones based on wood properties,the genetic gain of each wood trait ranged from 0.03% to 8.91%.In this study,there were abundant variations among clones,so elite clone selection was of great significance for poplar breeding.’Bailin-2’ were selected as elite clone based on whatever growth traits or wood properties,which indicated the clones can be used as elite clones with fast growth and good wood properties for promotion and utilization in the local area.

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备注/Memo

备注/Memo:
 收稿日期：2022-03-30 修回日期：2022-07-12
基金项目：“十四五”国家重点研发课题（2021YFD2201204）。
第一作者：于海洋。研究方向：杨树遗传育种。E-mail：yhy199809@163.com
*通信作者：赵曦阳，博士生导师，教授。研究方向：东北地区杨树遗传改良。E-mail：zhaoxyphd@163.com
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