| 水分胁迫对欧李光合速率日变化的影响 |
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| 引用本文： | 牛洪斌 白润娥. 水分胁迫对欧李光合速率日变化的影响[J]. 湖北民族学院学报(自然科学版), 2000, 18(2): 15-17 |
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| 作者姓名： | 牛洪斌 白润娥 |
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| 作者单位： | [1]山西农业大学农学院生物技术系,山西太谷 [2]山西中药材学校,山西太原 |
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| 摘 要： | 通过不同程度的水分胁迫对欧李叶水势、气孔导度、蒸腾速率和光合速率日变化影响的研究。结果表明在水分胁迫下，欧李叶水势、气孔导度、蒸腾速率的光合速率降低，且随胁迫程度加剧而增大。水分胁迫使欧李光合速率日变化曲线由单峰型变成双峰型。
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| 关 键 词： | 欧李 水分胁迫 水势 气孔导度 光合速率 蔷薇科 |
EFFECT OF WATER STRESS ON THE DIURNAL CHANGE OF PHOTOSYNTHETIC RATE OF CHINESE DWARF CHERRY |
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| NU Hong-bin ,BAI Run e ,ZHANG Xian. EFFECT OF WATER STRESS ON THE DIURNAL CHANGE OF PHOTOSYNTHETIC RATE OF CHINESE DWARF CHERRY[J]. Journal of Hubei Institute for Nationalities(Natural Sciences), 2000, 18(2): 15-17 |
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| Authors: | NU Hong-bin BAI Run e ZHANG Xian |
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| Affiliation: | NU Hong-bin 1,BAI Run e 2,ZHANG Xian 3 |
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| Abstract: | This paper was carried out to study the effect of water stress on the diurnal change of photosynthetic rate of Chinese dwarf cherry. The result showed: under water stress, all the leaf water potential, stomatal, conductance, transpiration rate and the photosynthetic rate became lower than Ck's. And the degree of them was getting strong along with water stress' intensity.$$$$ |
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| Keywords: | Chinese dwarf cherry water stress leaf water potential stomatal conductance photosynthetic rate |
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