[1]李红莉,龙作义.不同种源软枣猕猴桃幼苗光合特性的比较及变异分析[J].北方园艺,2017,41(17):14-20.[doi:10.11937/bfyy.20170857]
　LI Hongli,LONG Zuoyi.Comparison and Variation Analysis in Photosynthetic Characteristics of Actinidia arguta Seedlings From Different Provenances[J].Northern Horticulture,2017,41(17):14-20.[doi:10.11937/bfyy.20170857]

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不同种源软枣猕猴桃幼苗光合特性的比较及变异分析

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第41卷期数: 2017年17 页码: 14-20 栏目: 出版日期: 2017-09-15

Title:: Comparison and Variation Analysis in Photosynthetic Characteristics of Actinidia arguta Seedlings From Different Provenances

作者:: 李红莉; 龙作义; 黑龙江省牡丹江林业科学研究所，黑龙江牡丹江 157010

Author(s):: LI Hongli; LONG Zuoyi; Mudanjiang Forestry Science Institute of Heilongjiang Province,Mudanjiang,Heilongjiang 157010

关键词:: 软枣猕猴桃; 种源; 光合特性; 变异分析

Keywords:: Actinidia arguta; provenance; photosynthetic characteristics; variation analysis

分类号:: S 665.3

DOI:: 10.11937/bfyy.20170857

文献标志码:: A

摘要:: 以5个种源的软枣猕猴桃2年生幼苗为试材，采用LI-6400便携式光合测定系统测定其光合指标，分析不同种源软枣猕猴桃的光合日变化，揭示种源间光合特性的差异。结果表明：不同种源软枣猕猴桃幼苗净光合速率、气孔导度和水分利用效率日变化呈“双峰”曲线；蒸腾速率有“单峰型”和“双峰型”2种形式；胞间CO₂浓度呈‘W’型趋势；不同种源间存在一定的差异，各时间段的光合指标大小、峰值的大小及出现的时间有所不同。不同种源间的净光合速率、蒸腾速率、气孔导度、胞间CO₂浓度和水分利用效率存在极显著差异，通过隶属函数值综合评价，敦化和林口种源的光合能力强，属于较高光效种源。

Abstract:: Five provenances of Actinidia arguta 2 years seedlings were used as test materials,the photosynthetic index was determined by using LI-6400 portable photosynthesis system.This paper study analyzed the diurnal variation of photosynthesis of different provenances,and revealed the difference of photosynthetic characteristics from different provenances.The results showed that net photosynthetic rate,stomatal conductance and water use efficiency diurnal variation in bimodal curve,transpiration rate in two types of unimodal,bimodal curve,intercellular CO₂ concentration in ‘W’ type,and there were some differences among different provenances.The photosynthetic index,the peak value and the time of emergence were different.There were significant differences in net photosynthesis rate,transpiration rate,stomatal conductance,intercellular CO₂ concentration and water use efficiency of different provenances.By using the photosynthesis characteristics to do the Fuzzy mathematics evaluation,Dunhua and Linkou provenances had higher photosynthetic capacity,which belonged to the high light efficiency of provenance.

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备注/Memo

第一作者简介：李红莉（1981-），女，硕士，高级工程师，现主要从事经济林培育等研究工作。E-mail：lihongli0916@163.com.

基金项目：黑龙江省森林工业总局应用研究资助项目（sgzjY2013013）。

收稿日期：2017-04-06

更新日期/Last Update: 2017-09-22