| 氯化钠胁迫对不同耐盐黄瓜品种的损伤效应及反射光谱特性的影响 |
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| 引用本文： | 张丽平,张格英,史庆华,丁飞,王秀峰,冯建鹏.氯化钠胁迫对不同耐盐黄瓜品种的损伤效应及反射光谱特性的影响[J].植物营养与肥料学报,2008,14(4):761-765. |
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| 作者姓名： | 张丽平 张格英 史庆华 丁飞 王秀峰 冯建鹏 |
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| 作者单位： | 1.作物生物学国家重点实验室,山东农业大学园艺科学与工程学院,山东泰安 271018; |
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| 基金项目： | 山东省优秀中青年科学家科研奖励基金
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山东农业大学青年科技创新基金 |
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| 摘 要： | 研究了氯化钠胁迫对不同耐盐黄瓜品种的损伤效应及反射光谱特性的影响。结果表明，黄瓜品种新泰密刺比津优1号具有更强的耐盐性；盐处理明显增加了黄瓜叶片在可见光区的光谱反射率，并且盐敏感品种津优1号在盐胁迫下光谱反射率增加的幅度明显高于耐盐品种新泰密刺，尤其在绿光区差异更为明显。利用光谱反射指标得出的叶绿素含量、叶黄素循环库的大小与黄瓜的盐害程度及不同品种的耐盐程度有密切关系，反射光谱特性可以用来作为筛选黄瓜耐盐的生理指标。
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| 关 键 词： | 黄瓜 盐胁迫 反射光谱 叶绿素 叶黄素循环库 |
| 收稿时间： | 2007-7-18 |
Effects of NaCl stress on damage and reflectance characteristics of cucumber cultivars with different salt-tolerance |
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| ZHANG Li-ping,ZHANG Ge-ying,SHI Qing-hua,DING Fei,WANG Xiu-feng,FENG Jian-peng.Effects of NaCl stress on damage and reflectance characteristics of cucumber cultivars with different salt-tolerance[J].Plant Nutrition and Fertilizer Science,2008,14(4):761-765. |
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| Authors: | ZHANG Li-ping ZHANG Ge-ying SHI Qing-hua DING Fei WANG Xiu-feng FENG Jian-peng |
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| Institution: | 1.State Key Lab of Crop Biology,College of Horticultural Science and Engineering,Shandong Agricultural University,Taian 271018,China; |
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| Abstract: | Effects of NaCl stress on damage and reflectance characteristics of cucumber cultivars with different salt-tolerance was evaluated in this study. The results indicated that Xintai Mici (XTMC) was more tolerant to NaCl stress than Jinyou 1 (JY1). NaCl stress significantly increased cucumber leaf reflectance in the spectra of visible light, and the increase degree was higher in salt-sensitive cultivar Jinyou 1 than in salt-tolerant cultivar Xintai Mici, especially in the spectra of green light. Chlorophyll contents and xanthophyll cycle pool calculated from reflectance were closely related with cucumber tolerance to salt stress, and reflectance characteristics could be used as index to evaluate cucumber cultivar tolerance to salt stress. |
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| Keywords: | cucumber salt stress reflectance chlorophyll xanthophyll cycle pool |
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