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Variation for stomatal characteristics and water use efficiency among diploid, tetraploid and hexaploid Iranian wheat landraces
Khazaei, Hamid2; Monneveux, Philippe3; Shao Hongbo1,4,5; Mohammady, Shahram6
2010-02-01
发表期刊GENETIC RESOURCES AND CROP EVOLUTION
卷号57期号:2页码:307-314
摘要Wheat is one of the most important crops in the world. Its study has involved anatomy, ecology, physiology, molecular biology, biotechnology, and cultivation. Knowledge of the relationship of diploid, tetraploid and hexaploid wheat with stomatal characteristics and water-use efficiency is spare and is subject to argument. The present study was aimed to examine different characteristics of stomata in 28 Iranian landraces belonging to the species Triticum monococcum (2n = 2x = 14), Triticum durum (2n = 4x = 28) and Triticum aestivum (2n = 6x = 42), respectively and investigated a possible relationship between these characteristics and water use efficiency by pot cultivation experiments. The results revealed large variation among landraces as well as between the different species for stomatal frequency and size. The diploid wheat species had the highest stomatal frequency and the lowest stomatal length and width. The hexaploid species had a lower stomatal frequency than the tetraploid species. A highly significant relationship was noted between the value of those traits on the adaxial and abaxial surfaces of the leaf. The ratio of adaxial to abaxial values appeared to be constant for a given species. Both stomatal frequency and size were associated with ploidy level, but also with the nature of the constituting genomes of the species. A highly significant negative association was found among accessions between stomatal frequency and size. As a consequence, the variation for stomatal area per unit leaf area was less than for the other traits. Diploid and hexaploid wheat have significantly higher water use efficiency, compared to tetraploid wheat. No clear association was found, however, between water use efficiency and stomatal characteristics.
关键词Polyploidy Stomatal Frequency Stomatal Size Triticum Spp. Water Use Efficiency
收录类别SCI
关键词[WOS]CARBON-ISOTOPE DISCRIMINATION ; FLAG LEAF ; TRITICUM-AESTIVUM ; HIGHER-PLANTS ; BREAD WHEAT ; FREQUENCY ; PHOTOSYNTHESIS ; CONDUCTANCE ; DROUGHT ; PLOIDY
文章类型Article
语种英语
WOS研究方向Agriculture ; Plant Sciences
WOS记录号WOS:000273852400013
引用统计
被引频次:35[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/9239
专题滨海湿地实验室
作者单位1.Qingdao Univ Sci & Technol, Inst Life Sci, Qingdao 266042, Peoples R China
2.Univ Helsinki, Dept Appl Biol, FIN-00014 Helsinki, Finland
3.CIMMYT, Generat Challenge Programme, Mexico City 06600, DF, Mexico
4.NW A& F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Inst Soil & Water Conservat, Chinese Acad Sci, Yangling 712100, Peoples R China
5.Chinese Acad Sci, Yantai Inst Costal Zone Res Sustainable Dev, Yantai 264003, Peoples R China
6.Univ Shahrekord, Fac Agr, Shahrekord, Iran
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Khazaei, Hamid,Monneveux, Philippe,Shao Hongbo,et al. Variation for stomatal characteristics and water use efficiency among diploid, tetraploid and hexaploid Iranian wheat landraces[J]. GENETIC RESOURCES AND CROP EVOLUTION,2010,57(2):307-314.
APA Khazaei, Hamid,Monneveux, Philippe,Shao Hongbo,&Mohammady, Shahram.(2010).Variation for stomatal characteristics and water use efficiency among diploid, tetraploid and hexaploid Iranian wheat landraces.GENETIC RESOURCES AND CROP EVOLUTION,57(2),307-314.
MLA Khazaei, Hamid,et al."Variation for stomatal characteristics and water use efficiency among diploid, tetraploid and hexaploid Iranian wheat landraces".GENETIC RESOURCES AND CROP EVOLUTION 57.2(2010):307-314.
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