[1]魏丹,胡柔璇,赵庆,等. 10个羊蹄甲优良家系抗旱性研究[J].西北林学院学报,2017,32(5):130-136.[doi:10.3969/j.issn.1001-7461.2017.05.23]
　WEI Dan,HU Rou-xuan,ZHAO Qing,et al. Drought Resistance of 10 Bauhinia purpurea Families[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2017,32(5):130-136.[doi:10.3969/j.issn.1001-7461.2017.05.23]
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 10个羊蹄甲优良家系抗旱性研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第32卷
期数:
2017年第5期
页码:
130-136
栏目:
出版日期:
2017-09-30

文章信息/Info

Title:
 Drought Resistance of 10 Bauhinia purpurea Families
文章编号:
1001-7461(2017)05-0130-07
作者:
 魏丹1; 2; 胡柔璇2; 赵庆1; 2; 唐洪辉1; 2*
 (1.广东省森林培育与保护利用重点实验室，广东 广州 510520；2.广东省林业科学研究院，广东 广州 510520）
Author(s):
 WEI Dan1; 2; HU Rou-xuan2; ZHAO Qing1; 2; TANG Hong-hui1; 2*
 (1.Guangdong Provincial Key Laboratory of Silviculture,Protection and Utilization,Guangzhou,Guangdong 510520,China; 2.Guangdong Academy of Forestry,Guangzhou,Guangdong 510520,China)
关键词:
 ; 羊蹄甲; 干旱胁迫; 主成分分析; 聚类分析
Keywords:
Bauhinia purpurea;  drought stress;  principal component analysis;  system clustering analysis
分类号:
S722.36
DOI:
10.3969/j.issn.1001-7461.2017.05.23
文献标志码:
A
摘要:
 试验以10个羊蹄甲优良家系为材料，采用自然干旱的方式，分别在干旱0、3、6、9 d测定相关的叶片生理指标，包括超氧化物歧化酶（SOD）活性、相对电导率和叶绿素含量，运用主成分分析和聚类分析，评价干旱胁迫对羊蹄甲生理指标的影响，为羊蹄甲抗旱栽培提供理论依据，同时筛选出抗旱性优良的家系。结果表明，NX07的抗旱性比其他家系强，LKY01的综合抗旱能力最差；10个羊蹄甲家系从强到弱分成4类，抗旱性强的羊蹄甲有NX07、NX05、DNS21、DNS11，抗旱性较强的羊蹄甲只有1种，为DNS14，抗旱性中等羊蹄甲有DNS34、NX08、NX04、DNS16，抗旱性弱的羊蹄甲有LKY01。
Abstract:
 Seedlings of 10 superior clones of Bauhinia purpurea were subject to naturally drought stress.Physiological indexes were measured at 0 d,3 d,6 d and 9 d,such as superoxide dismutase (SOD) activity,relative conductivity and chlorophyll content.The principal component analysis and system clustering analysis were adopted to comprehensively evaluate the drought tolerance capability.The principal component analysis indicated that clone NX07 had the strongest drought-tolerance capability,while LKY01 was poor in drought tolerance.Ten clones were classified into four categories according to their drought resistance capability: the strongest (NX07,NX05,DNS21,and DNS11),strong ( DNS1),moderate (DNS34,NX08,NX04 and DNS16),and weak (LKY01) drought tolerance group.

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备注/Memo

备注/Memo:
 收稿日期：2016-11-24修回日期：2017-05-05
基金项目：广东省科技计划项目“羊蹄甲属观花树种种质资源鉴评与高效快繁技术研究”（503304254086）；广东省林业科技创新专项资金项目“羊蹄甲属景观树种优良品系选育研究”（2013KJCX005-01）。
作者简介：魏丹，女，硕士，园林高级工程师，研究方向:园林植物培育与推广。E-mail:13168613@qq.com
*通信作者：唐洪辉，男，学士，林业教授级高级工程师，研究方向：园林植物培育与推广。E-mail:787226271@qq.com
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