[1]祝亚云,汪有良,蒋 春,等.榔榆单株种子表型变异研究初报[J].江苏林业科技,2018,45(01):19-22.[doi:10.3969/j.issn.1001-7380.2018.01.005]
 ZHU Ya-yun,WANG You-liang,JIANG Chun,et al.Preliminary report on phenotypic character variation of seeds among different Ulmus parvifolia individuals[J].Journal of Jiangsu Forestry Science &Technology,2018,45(01):19-22.[doi:10.3969/j.issn.1001-7380.2018.01.005]
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榔榆单株种子表型变异研究初报()
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《江苏林业科技》[ISSN:1001-7380/CN:32-1236/S]

卷:
第45卷
期数:
2018年01期
页码:
19-22
栏目:
试验研究
出版日期:
2018-02-28

文章信息/Info

Title:
Preliminary report on phenotypic character variation of seeds among different Ulmus parvifolia individuals
文章编号:
1001-7380(2018)01-0019-04
作者:
祝亚云汪有良蒋 春孙海楠蒋泽平*
江苏省林业科学研究院,江苏 南京 211153
Author(s):
ZHU Ya-yunWANG You-liangJIANG ChunSUN Hai-nanJIANG Ze-ping*
Jiangsu Academy of Forestry,Nanjing 211153,China
关键词:
榔榆单株种子表型变异
Keywords:
Ulmus parvifolia Individual plant Seed Phenotype Variation
分类号:
Q944.59;S722.3+3;S792.19
DOI:
10.3969/j.issn.1001-7380.2018.01.005
文献标志码:
A
摘要:
以江苏地区分布的24个榔榆单株为材料,对其种子表型性状的变异状况进行了研究,结果表明:榔榆单株种子各表型指标存在丰富的变异,且在单株间具有显著差异,单株内变异幅度最大的指标为种子的长径比,而单株间差异最大的指标为种径;榔榆单株种子的种长与种径之间有极显著的相关关系,种径对榔榆种子的形态有较大影响;通过系统聚类分析可将24个榔榆单株分作2类,类C1相比于类C2各单株在种子的种长、种径上较大,在长径比上较小。
Abstract:
In this study, 24 individuals of Ulmus parvifoliawere selected and the variations among their seeds were analyzed. The results showed that there existed abundant variations in the morphological index of seeds of U. parvifolia individuals, with significant differences between individuals. The seed length-diameter ratio had the max variation within individuals and the seed diameter had also the most significant difference among individuals. There existed significant correlation between length and diameter of seeds of U. parvifolia individuals while seed diameter had great influence in seed morphology. All individuals could be divided into two categories by cluster analysis. Compared with C2, individuals in C1 had larger values in seed length and seed diameter, but small values in seed length-diameter ratio.

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备注/Memo

备注/Memo:
收稿日期:2017-11-08;修回日期:2017-12-10
基金项目:江苏省现代农业(重点项目)“榉树和榔榆优质用材新品种选育”(BE2017386);江苏省农业科技自主创新资金项目“优新树种选育与高效栽培技术方案”[CX(16)1005]
作者简介:祝亚云(1990- ),男,江苏丹阳人,研究实习员,硕士。从事林业生态、林木良种选育研究。
*通信作者:蒋泽平(1963- ),男,江苏丹阳人,研究员。主要从事景观树种与花卉良种选育研究。E-mail:jiangzeping518@126.com。
更新日期/Last Update: 2018-04-02