[1]刘志红,解庆,李周岐. 基于花粉粒扫描电镜特征的柴松分类地位研究[J].西北林学院学报,2013,28(02):61-65.[doi:10.3969/j.issn.1001-7461.2013.02.11]
　LIU Zhi-hong,XIE Qing,LI Zhou-qi. Taxonomical Status of Pinus tabulaeformis f. shekannesis Yao et Hsü Based on Morphological Characteristics of Pollen Grain under SEM[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2013,28(02):61-65.[doi:10.3969/j.issn.1001-7461.2013.02.11]
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 基于花粉粒扫描电镜特征的柴松分类地位研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第28卷
期数:
2013年02期
页码:
61-65
栏目:
出版日期:
2013-03-30

文章信息/Info

Title:
 Taxonomical Status of Pinus tabulaeformis f. shekannesis Yao et Hsü Based on Morphological Characteristics of Pollen Grain under SEM
文章编号:
1001-7461(2013)02-0061-05
作者:
 刘志红; 解庆;  李周岐
 （西北农林科技大学 林学院，陕西 杨陵 712100）
Author(s):
 LIU Zhi-hong;  XIE Qing;  LI Zhou-qi
 (College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, China)
关键词:
 ; 柴松; 松属; 花粉形态; 扫描电镜
Keywords:
Pinus tabulaeformis f. shekannesis Yao et Hs;  Pinus species;  pollen morphology;  scanning electron microscope
分类号:
S791.240.1
DOI:
10.3969/j.issn.1001-7461.2013.02.11
文献标志码:
A
摘要:
 通过扫描电镜观测了松属6个树种的花粉形态，运用数据统计和图片分析的方法对花粉形态进行对比研究。结果表明：松属6个树种的花粉大小变动范围为 48.22~55.05 μm，均属于两气囊松型花粉；花粉体近极面与气囊过渡明显，形成帽沿；萌发沟位于花粉体远极面两气囊之间，呈现沟痕的形式。聚类分析结果显示柴松应被归为油松变种的范畴。根据花粉体表面纹饰和疣状颗粒的分布情况，松属6个树种进化演替规律是油松、黑皮油松、扫帚油松、柴松→马尾松→巴山松。
Abstract:
 Morphological characteristics of the pollen grains of 6 Pinus species were examined and compared by using the scanning electron microscope (SEM) and statistical method. The mean values of pollen size of 6 species ranged from 48.22 to 55.05 μm, belonging to disaccate pollens. Transition was distinct between proximal face and the bladder. Germinal furrow formed clear striate between two bladders. Cluster analysis indicated that the P. tabulaeformis f. shekannesis Yao et Hsü could be a variety of P. tabulaeformis Carr. Based on the magnitude of grains in the corpus surface, the evolutional order in 6 Pinus species was P. tabulaeformis Carr, P. tabulaeformis var. mukdensis Uyeki, P. tabulaeformis f. shekannesis Yao et Hsü→P. massoniana Lamb→P. henryi Mast．

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备注/Memo

备注/Memo:
 收稿日期：2012-09-12 修回日期：2012-10-19
基金项目：国家自然科学基金项目（30972382）。
作者简介：刘志红，女，博士研究生，主要研究方向：林木遗传育种研究。
*通信作者：李周岐，男，教授，博士生导师，研究方向：林木遗传育种。E-mail:Lzhouqi@yahoo.com.cn
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