Effect on the leaf microstructure of different alfalfa varieties from spaceflight

doi:10.11733/j.issn.1007-0435.2010.02.017

›› 2010, Vol. 18 ›› Issue (2): 233-236.DOI: 10.11733/j.issn.1007-0435.2010.02.017

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Effect on the leaf microstructure of different alfalfa varieties from spaceflight

ZHANG Wen-juan^1,2, DENG Bo², ZHANG Yun-wei², CHEN Ben-jian¹, CHAI Xiao-qin³, WANG Xue-yan⁴

1. College of Grassland Science, Gansu Agricultural University, Lanzhou, Gansu Province 730070, China;
2. Institute of Grassland Science, China Agricultural University, Beijing 100193, China;
3. Tianshui Academy of Agricultural Sciences, Tianshui, Gansu Province 741001, China;
4. Institute of Agronomy and Biology technique, China Agricultural University, Beijing 100193, China;

Received:2009-09-07 Revised:2009-12-23 Online:2010-04-15 Published:2010-04-15

空间飞行对不同紫花苜蓿品种叶片显微结构的影响

张文娟^1,2, 邓波², 张蕴薇², 陈本建¹, 柴小琴³, 王学艳⁴

1. 甘肃农业大学草业学院, 甘肃, 兰州, 730070;
2. 中国农业大学动物科技学院草地所, 北京, 100193;
3. 甘肃省天水市农业科学研究所, 甘肃, 天水, 741001;
4. 中国农业大学农学与生物技术学院, 北京, 100193

通讯作者: 邓波,E-mail:dengbo67@cau.edu.cn
作者简介:张文娟(1983- ),女,新疆克拉玛依人,硕士研究生,研究方向为草种质资源与育种,E-mail:sgd918@hotmail.com
基金资助:
“十一五”科技支撑项目(2008BADB3B04)资助

Abstract

Abstract: Seeds of different varieties of Medicago sativa L.were boarded on the "ShenZhou No.3" and then the microscopic were observed.The results showed that leaf thickness and vein protuberant degree of plant were significantly different to their control.Deful and cell spongy ratio of Algonguin were not significant to their control.Cell tense ratio and cell spongy ratio of the other varieties were significantly different to their control.All these microscopic may effect on their resistance manifestations,and can be used as basis for further breeding.The microscopic of Medicago sativa L.was observed.The results showed that spongy tissue and leaf palisade of plant were different to their control.The impact of on spongy cells was more obvious than the palisade cells.

Key words: Medicago sativa, Spaceflight, Leaf, Microstructure

摘要： 利用神舟3号飞船搭载的4个紫花苜蓿(Medicago sativa L.)品种的种子,返回后对搭载组和对照组植株叶片显微结构进行分析。结果表明:4个品种叶片厚度均显著大于对照,叶脉突起度均显著小于对照(P<0.05);栅栏组织厚度显著大于对照(P<0.05);阿尔冈金的海绵组织厚度显著小于对照,其他品种均显著大于对照(P<0.05);与对照相比,德福的细胞结构紧密度、细胞结构疏松度与对照差异均不显著,阿尔冈金的细胞结构疏松度与对照差异不显著,其他品种细胞结构紧密度、疏松度与对照均有显著差异(P<0.05)。这些变异的产生可能影响其抗性表现,故可作为进一步抗性选育的依据。

关键词: 紫花苜蓿, 空间飞行, 叶片, 显微结构

CLC Number:

ZHANG Wen-juan, DENG Bo, ZHANG Yun-wei, CHEN Ben-jian, CHAI Xiao-qin, WANG Xue-yan. Effect on the leaf microstructure of different alfalfa varieties from spaceflight[J]. , 2010, 18(2): 233-236.

张文娟, 邓波, 张蕴薇, 陈本建, 柴小琴, 王学艳. 空间飞行对不同紫花苜蓿品种叶片显微结构的影响[J]. , 2010, 18(2): 233-236.

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Effect on the leaf microstructure of different alfalfa varieties from spaceflight

空间飞行对不同紫花苜蓿品种叶片显微结构的影响

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