[1]孟亚芬,李连国,梁爽,等.干旱胁迫下葡萄超微弱发光和光合特性的关系[J].北方园艺,2017,41(17):29-33.[doi:10.11937/bfyy.20170318]
　MENG Yafen,LI Lianguo,LIANG Shuang,et al.Relationship Between Ultra Weak Luminescence and Photosynthetic Characteristics During Process of Drought Stress[J].Northern Horticulture,2017,41(17):29-33.[doi:10.11937/bfyy.20170318]
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干旱胁迫下葡萄超微弱发光和光合特性的关系

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第41卷 期数: 2017年17 页码: 29-33 栏目: 出版日期: 2017-09-15
Title:
Relationship Between Ultra Weak Luminescence and Photosynthetic Characteristics During Process of Drought Stress
作者:
孟亚芬; 李连国; 梁爽; 李志伟; 郭金丽
内蒙古农业大学 农学院，内蒙古 呼和浩特 010019
Author(s):
MENG Yafen; LI Lianguo; LIANG Shuang; LI Zhiwei; GUO Jinli
College of Agronomy,Inner Mongolia Agricultural University,Hohhot,Inner Mongolia 010019
关键词:
葡萄; 干旱胁迫; 光合作用; 超微弱发光
Keywords:
grape; drought stress; photosynthesis; ultra weak luminescence
分类号:
S 663.101
DOI:
10.11937/bfyy.20170318
文献标志码:
A
摘要:
以“赤霞珠”(‘Cabernet Sauvignon’)和“梅鹿辄”(‘Merlot’)葡萄品种为试材，采用控水方式进行干旱胁迫，对比分析了干旱胁迫过程中葡萄叶片超微弱发光（UWL）与光合作用的关系。结果表明：在干旱胁迫过程中，葡萄叶片的光合指标均有明显变化，净光合速率(assimilation rate，A)、气孔导度(stomatal conductance,Gs)、蒸腾速率(transportation rate,E)均随胁迫程度的加深呈下降趋势，胞间CO2浓度（internal CO2 concentration,Ci）呈上升趋势；UWL强度随胁迫程度的加深呈逐渐下降趋势。相关分析表明，UWL强度与净光合速率、气孔导度、蒸腾速率、叶绿素含量呈正相关，与胞间CO2浓度呈负相关。试验表明，随着干旱胁迫程度加重，UWL强度随光合作用的减弱而降低，二者相关性显著，UWL与光合作用有关。
Abstract:
The aim of the study was to analyze contrastively the relationship between ultra weak luminescence and photosynthesis of ‘Cabernet Sauvignons’ and ‘Merlot’ during the process of drought stress with using water control.The results showed that during the process of drought stress,photosynthetic indexes of grape leaves had obvious changes,assimilation rate,stomatal conductance and transpiration rate showed a trend of falling with the deepening of stress,the internal CO2 concentration increased gradually.The UWL intensity showed a trend of gradual falling with the deepening of stress.The UWL intensity and assimilation rate,stomatal conductance and transpiration rate,chlorophyll content were positively correlated,and negatively correlated with internal CO2 concentration.The results showed that,with the deepening of drought stress,UWL intensity gradually reduced along with the weakening of photosynthesis,the correlation was obvious,so UWL was related to photosynthesis.

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备注/Memo

第一作者简介：孟亚芬（1990-），女，山西吕梁人，硕士，研究方向为果树生理生态与栽培。E-mail：724834436@qq.com.

责任作者：郭金丽（1972-），女，内蒙古呼和浩特人，博士，副教授，硕士生导师，现主要从事果树生理和栽培及植物超微弱发光等研究工作。E-mail：guojinli1111@163.com.
基金项目：内蒙古自然科学基金资助项目（2014MS0332）。
收稿日期：2017-04-05

更新日期/Last Update: 2017-09-22