| 低温胁迫对茄子幼苗叶片光合特性的影响 |
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| 引用本文： | 吴雪霞,陈建林,查丁石.低温胁迫对茄子幼苗叶片光合特性的影响[J].华北农学报,2008,23(5). |
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| 作者姓名： | 吴雪霞 陈建林 查丁石 |
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| 作者单位： | 上海市农业科学院,园艺研究所,上海市设施园艺技术重点实验室,上海,201106 |
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| 基金项目： | 上海市科技兴农重点攻关项目(沪农科攻字 |
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| 摘 要： | 以茄子702幼苗为试材,研究了低温胁迫对茄子幼苗光合特性的影响.结果表明,低温胁迫下,茄子幼苗的叶绿素含量、叶绿素a/b、净光合速率(Pn)、蒸腾速率(Tr)、气孔导度(Gs)、光饱和点(LSP)、光饱和光合速率、表观量子效率(AQY)、CO2饱和点(CSP)、羧化效率(CE)和RuBP最大再生速率均下降;光补偿点(LCP)、CO2补偿点(CCP)均上升;胞间CO2浓度(Ci)先降低后升高.以上结果表明,低温胁迫伤害了茄子幼苗的光合机构.
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| 关 键 词： | 低温胁迫 茄子幼苗 光合特性 |
Effects of Low Temperature Stress on Photosynthetic Characteristics in Leaves of Eggplant Seedlings |
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| WU Xue-xia,CHEN Jian-lin,ZHA Ding-shi.Effects of Low Temperature Stress on Photosynthetic Characteristics in Leaves of Eggplant Seedlings[J].Acta Agriculturae Boreali-Sinica,2008,23(5). |
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| Authors: | WU Xue-xia CHEN Jian-lin ZHA Ding-shi |
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| Institution: | WU Xue-xia,CHEN Jian-lin,ZHA Ding-shi (Horticultural Research Institute,Shanghai Academy of Agriculture Sciences,Shanghai Key Laboratory of Protected Horticultural Technology,Shanghai 201106,China) |
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| Abstract: | Effects of low temperature stress on photosynthetic characteristics in leaves of eggplant(Solanum melongena L.)seedlings of 702 were studied.The results showed that chlorophyll contents,chlorophyll a/b,net photosynthetic rate(Pn),stomatal conductance(Gs),transpiration rate(Tr),light saturation point(LSP),photosynthetic rate at light saturation point,apparent quantum yield(AQY),CO2 saturation point(CSP),carboxylation efficiency(CE)and maximum RuBP regeneration rate were decreased;Light compensation point(LCP... |
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| Keywords: | Low temperature stress Eggplant seedlings Photosynthetic characteristics |
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