Investigation on the relationship between leaf water use efficiency and physio-biochemical traits of winter wheat under rained condition

被引：24

作者：

Baodi, Dong ^{[1
,4
]}

Mengyu, Liu ^{[1
]}

Hongbo, Shao ^{[2
,3
,5
]}

Quanqi, Li ^{[1
]}

Lei, Shi ^{[1
]}

Feng, Du ^{[3
]}

Zhengbin, Zhang ^{[1
]}

机构：

[1] Chinese Acad Sci, Ctr Agr Resources Res, Inst Genet & Dev Biol, Shijiazhuang 050021, Peoples R China

[2] Qingdao Univ Sci & Technol, Inst Life Sci, Qingdao 266042, Peoples R China

[3] Chinese Acad Sci, State Key Lab Soil Eros & Dryland Farming Loess P, Inst Soil & Water Conservat, Yangling 712100, Peoples R China

[4] Grad Univ, Chinese Acad Sci, Beijing 100049, Peoples R China

[5] Chinese Acad Sci, Inst Urban Environm, Xiamen 361003, Peoples R China

来源：

COLLOIDS AND SURFACES B-BIOINTERFACES | 2008年 / 62卷 / 02期

关键词：

wheat genotype; membrane interface; leaf water use efficiency; physio-biochemical index; path analysis;

D O I：

10.1016/j.colsurfb.2007.10.023

中图分类号：

Q6 [生物物理学];

学科分类号：

071011 ;

摘要：

Different statistical methods and path analysis were used to study the relationship between leaf water use efficiency (WUE) and physio-biochemical traits for 19 wheat genotypes, including photosynthesis rate (P-n), stomatal conductance (g(s)), transpiration rate (T,), intercellular concentration of carbon oxide (C-i), leaf water potential (psi(w)), leaf temperature, wax content, leaf relative water content (RWC), rate of water loss from excised-leaf (RWL), peroxidase (POD) and superoxide dismutase (SOD) activities. The results showed that photosynthesis rate, stomatal conductance and transpiration rate were the most important leaf WUE variables under rainfed conditions. Based on the results of five statistical analyses, it is reasonable to assume that high leaf WUE wheat under the rained could be obtained by selecting breeding materials with high photosynthesis rate, low transpiration rate and stomatal conductance. (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：280 / 287

页数：8

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