| 水分胁迫对3个不同地区橡胶草生理特性的影响 |
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| 引用本文： | 徐建欣,杨洁,高玉尧,吴景,孙正美,刘实忠. 水分胁迫对3个不同地区橡胶草生理特性的影响[J]. 干旱地区农业研究, 2016, 34(3): 153-159. DOI: 10.7606/j.issn.1000-7601.2016.03.24 |
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| 作者姓名： | 徐建欣 杨洁 高玉尧 吴景 孙正美 刘实忠 |
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| 作者单位： | 中国热带农业科学院湛江实验站/热带旱作农业研究中心,广东 湛江,524013 |
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| 基金项目： | 中国热带农业科学院湛江实验站科研启动专项经费(zjky201303) |
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| 摘 要： | ![]()
本研究以3个不同地理来源的橡胶草群体为研究对象,使用不同浓度的聚乙二醇(PEG-600)溶液分别对3个供试群体成员苗期进行模拟水分胁迫,测定了其叶片相对含水量、叶绿素含量、抗氧化保护酶活性、渗透调节物质含量、丙二醛含量、叶片长度、叶片宽度以及最大根长。结果表明,随着胁迫浓度的提高3个供试群体的叶片相对含水量、叶绿素含量、抗氧化保护酶活性以及生长发育指标呈下降趋势,渗透调节物质含量以及丙二醛含量呈上升趋势;综合各指标表明,3个供试橡胶草群体抗旱性表现为昭苏群体石河子群体临夏群体。
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| 关 键 词： | 橡胶草 水分胁迫 聚乙二醇 生理反应 |
Effects of water stress on physiological characteristics of Taraxacum kok-saghyz Rodin (TKS) populations from three different regions |
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| XU Jian-xin,YANG Jie,GAO Yu-yao,WU Jing,SUN Zheng-mei,LIU Shi-zhong. Effects of water stress on physiological characteristics of Taraxacum kok-saghyz Rodin (TKS) populations from three different regions[J]. Agricultural Research in the Arid Areas, 2016, 34(3): 153-159. DOI: 10.7606/j.issn.1000-7601.2016.03.24 |
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| Authors: | XU Jian-xin YANG Jie GAO Yu-yao WU Jing SUN Zheng-mei LIU Shi-zhong |
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| Affiliation: | Zhanjiang Experimental Station, Chinese Academy of Tropical Agricultural Sciences/Tropical Dry Farming Research Center, Zhanjiang, Guangdong 524013, China,Zhanjiang Experimental Station, Chinese Academy of Tropical Agricultural Sciences/Tropical Dry Farming Research Center, Zhanjiang, Guangdong 524013, China,Zhanjiang Experimental Station, Chinese Academy of Tropical Agricultural Sciences/Tropical Dry Farming Research Center, Zhanjiang, Guangdong 524013, China,Zhanjiang Experimental Station, Chinese Academy of Tropical Agricultural Sciences/Tropical Dry Farming Research Center, Zhanjiang, Guangdong 524013, China,Zhanjiang Experimental Station, Chinese Academy of Tropical Agricultural Sciences/Tropical Dry Farming Research Center, Zhanjiang, Guangdong 524013, China and Zhanjiang Experimental Station, Chinese Academy of Tropical Agricultural Sciences/Tropical Dry Farming Research Center, Zhanjiang, Guangdong 524013, China |
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| Abstract: | ![]()
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| Keywords: | Taraxacum kok-saghyz Rodin(TKS) drought stress polyethylene glycol physiological response |
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