不同营养液浓度对温室黄瓜叶片光合特性的影响
为了探究不同电导率（electrical conductivity,EC）的营养液对温室黄瓜叶片光合特性的影响,该文于2009年10月至2010年7月在江苏大学Venlo型温室中进行试验,采用4种EC值的营养液浇灌黄瓜,对4种EC值条件下温室黄瓜叶片的光合速率、叶绿素荧光、叶绿素含量及产量进行了测定,并对EC对黄瓜叶片叶绿素仪读数、光合速率和最大电子传递速率的影响及其之间的关系进行了分析。研究结果表明,营养液的电导率值对温室黄瓜下部叶片的叶绿素仪读数值、最大光合速率、光能初始利用率和电子传递速率有较大的影响,中部叶、上部叶片的叶绿素仪读数值、最大光合速率、光能初始利用率、电子传递速率和产量在不...
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| Published in | 农业工程学报 Vol. 27; no. 10; pp. 277 - 281 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
江苏大学现代农业装备与技术省部共建教育部重点实验室,镇江,212013
2011
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1002-6819 |
| DOI | 10.3969/j.issn.1002-6819.2011.10.049 |
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| Abstract | 为了探究不同电导率（electrical conductivity,EC）的营养液对温室黄瓜叶片光合特性的影响,该文于2009年10月至2010年7月在江苏大学Venlo型温室中进行试验,采用4种EC值的营养液浇灌黄瓜,对4种EC值条件下温室黄瓜叶片的光合速率、叶绿素荧光、叶绿素含量及产量进行了测定,并对EC对黄瓜叶片叶绿素仪读数、光合速率和最大电子传递速率的影响及其之间的关系进行了分析。研究结果表明,营养液的电导率值对温室黄瓜下部叶片的叶绿素仪读数值、最大光合速率、光能初始利用率和电子传递速率有较大的影响,中部叶、上部叶片的叶绿素仪读数值、最大光合速率、光能初始利用率、电子传递速率和产量在不同处理间无论是秋冬茬还是早春茬均表现为：营养液的电导率为2.5dS/m和营养液的电导率为2.2dS/m差异不显著,但显著大于营养液的电导率为1.5dS/m和营养液的电导率为0.036dS/m;构建了最大光合速率与叶片叶绿素仪读数值、光能初始利用率与叶片叶绿素仪读数值的关系模型;光合速率与电子传递速率之间呈幂指数函数关系。该研究为通过叶片光合速率进行营养液管理提供了理论依据。 |
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| AbstractList | S625.5+4; 为了探究不同电导率(electrical conductivity,EC)的营养液对温室黄瓜叶片光合特性的影响,该文于2009年10月至2010年7月在江苏大学Venlo型温室中进行试验,采用4种EC值的营养液浇灌黄瓜,对4种EC值条件下温室黄瓜叶片的光合速率、叶绿素荧光、叶绿素含量及产量进行了测定,并对EC对黄瓜叶片叶绿素仪读数、光合速率和最大电子传递速率的影响及其之间的关系进行了分析.研究结果表明,营养液的电导率值对温室黄瓜下部叶片的叶绿素仪读数值、最大光合速率、光能初始利用率和电子传递速率有较大的影响,中部叶、上部叶片的叶绿素仪读数值、最大光合速率、光能初始利用率、电子传递速率和产量在不同处理间无论是秋冬茬还是早春茬均表现为:营养液的电导率为2.5dS/m和营养液的电导率为2.2 dS/m差异不显著,但显著大于营养液的电导率为1.5 dS/m和营养液的电导率为0.036 dS/m;构建了最大光合速率与叶片叶绿素仪读数值、光能初始利用率与叶片叶绿素仪读数值的关系模型；光合速率与电子传递速率之间呈幂指数函数关系.该研究为通过叶片光合速率进行营养液管理提供了理论依据. 为了探究不同电导率（electrical conductivity,EC）的营养液对温室黄瓜叶片光合特性的影响,该文于2009年10月至2010年7月在江苏大学Venlo型温室中进行试验,采用4种EC值的营养液浇灌黄瓜,对4种EC值条件下温室黄瓜叶片的光合速率、叶绿素荧光、叶绿素含量及产量进行了测定,并对EC对黄瓜叶片叶绿素仪读数、光合速率和最大电子传递速率的影响及其之间的关系进行了分析。研究结果表明,营养液的电导率值对温室黄瓜下部叶片的叶绿素仪读数值、最大光合速率、光能初始利用率和电子传递速率有较大的影响,中部叶、上部叶片的叶绿素仪读数值、最大光合速率、光能初始利用率、电子传递速率和产量在不同处理间无论是秋冬茬还是早春茬均表现为：营养液的电导率为2.5dS/m和营养液的电导率为2.2dS/m差异不显著,但显著大于营养液的电导率为1.5dS/m和营养液的电导率为0.036dS/m;构建了最大光合速率与叶片叶绿素仪读数值、光能初始利用率与叶片叶绿素仪读数值的关系模型;光合速率与电子传递速率之间呈幂指数函数关系。该研究为通过叶片光合速率进行营养液管理提供了理论依据。 |
| Author | 倪纪恒 毛罕平 马万征 |
| AuthorAffiliation | 江苏大学现代农业装备与技术省部共建教育部重点实验室,镇江212013 |
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| Author_FL | Ni Jiheng Mao Hanping Ma Wanzheng |
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| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DocumentTitleAlternate | Effect of different electrical conductivity on photosynthetic characteristics of cucumber leaves in greenhouse |
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| EndPage | 281 |
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| Keywords | 电导率 黄瓜 电子传递特性 温室 营养液 光合速率 |
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| Notes | greenhouses; electric conductivity; electron transport properties; nutrient solution; photosynthesis rate; cucumber Ni Jiheng,Mao Hanping,Ma Wanzheng（Institution of Agricultural Engineer,Jiangsu University,Zhenjiang 212013,China） In order to study the effect of different electrical conductivity（EC） on leaves photosynthetic characteristics,experiment was conducted in Venlo greenhouse at Jiangsu University from September 10th 2009 to June 30th 2011.In the experiment four kinds of nutrient solution with different EC were use to water cucumber and the EC value were 0.036 dS/m,1.5,2.2 and 2.5 dS/m,respectively.Moreover,photosynthesis rate,Chlorophyll fluorescence,Chlorophyll content and production with different EC were measured and relationship between among were analyzed.The result showed that electrical conductivity of nutrient solution had a great effect on value of SPAD,maximum photosynthesis rate,initial light use efficiency and electron transport rate of cucumber lower leaves in greenhouse.No significant diff |
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| Publisher | 江苏大学现代农业装备与技术省部共建教育部重点实验室,镇江,212013 |
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| Snippet | 为了探究不同电导率（electrical conductivity,EC）的营养液对温室黄瓜叶片光合特性的影响,该文于2009年10月至2010年7月在江苏大学Venlo型温室中进行试验,采用4种EC值的营... S625.5+4; 为了探究不同电导率(electrical conductivity,EC)的营养液对温室黄瓜叶片光合特性的影响,该文于2009年10月至2010年7月在江苏大学Venlo型温室中进行试验,采用4... |
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| SubjectTerms | 光合速率 温室 电子传递特性 电导率 营养液 黄瓜 |
| Title | 不同营养液浓度对温室黄瓜叶片光合特性的影响 |
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