| 水分胁迫下梨、枣和葡萄叶片中甜菜碱含量的变化 |
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| 引用本文： | 高秀萍,闫继耀,刘恩科,张大鹏.水分胁迫下梨、枣和葡萄叶片中甜菜碱含量的变化[J].园艺学报,2002,29(3):268-270. |
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| 作者姓名： | 高秀萍 闫继耀 刘恩科 张大鹏 |
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| 作者单位： | ( 山西省农业科学院旱地农业研究中心, 太原030031; 中国农业大学果树分子发育实验室, 植物生理生化国家重点开放实验室, 北京100094) |
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| 基金项目： | 山西省自然科学基金资助项目 ( 19991112 )，山西省攻关项目 ( 0 0 10 15 ) |
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| 摘 要： | 本研究表明, 在水分供应充足的条件下, 梨、枣和葡萄3 种果树叶片中均含有甜菜碱, 其中枣最高, 梨次之, 葡萄最低; 轻度水分胁迫诱导了梨成龄叶中甜菜碱水平增高将近1 倍; 枣和葡萄叶片中的甜菜碱水平对水分胁迫基本没有响应; 梨在水分胁迫下诱导的甜菜碱主要是由叶片独立合成的。
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| 关 键 词： | 梨 枣 葡萄 水分胁迫 甜菜碱 |
| 文章编号： | 0513-353X(2002)03-0268-03 |
| 修稿时间： | 2001年11月20 |
Changes in Betaine Level in Pear, Jujube and Grapevine Leaves under Water Stress |
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| Gao Xiuping ,Yan Jiyao ,Liu Enke ,and Zhang Dapeng.Changes in Betaine Level in Pear, Jujube and Grapevine Leaves under Water Stress[J].Acta Horticulturae Sinica,2002,29(3):268-270. |
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| Authors: | Gao Xiuping Yan Jiyao Liu Enke and Zhang Dapeng |
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| Institution: | (Arid Farming Research Center, Shanxi Academy of Agricultural Sciences, Taiyuan 030031, China; Laboratory of Molecular Developmental Biology of Fruit Trees, National Key Laboratory of Plant Physiology and Biochemistry, China Agricultural University, Beijing 100094, China) |
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| Abstract: | Changes in betaine level in leaves of potted pear( Pyrus bretschneideri Rehd.),jujube( Zizyphus jujuba Mill.)and grapevine( Vitis vinifera L.)plants during water stress period were measured.The results showed that there existed in full water supply conditions some amount of betaine in the leaves of pear,jujube and grapevine.Light water stress induced sensitively a rise of betaine level in pear mature leaves.There was not found the increase in betaine level of either jujube or grapevine subjected to water stress.The results in the detached leaves suggested that the water stress induced betaine in pear could be biosynthesized independently by leaves. |
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| Keywords: | Pear Jujube Grapevine Water stress Betaine |
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