Photosynthetic and anatomic responses of peanut leaves to zinc stress

被引：38
|
作者：
Shi, G. R. [1 ,2 ]
Cai, Q. S. [1 ]
机构：
[1] Nanjing Agr Univ, Coll Life Sci, Nanjing 210095, Peoples R China
[2] Huaibei Coal Ind Teachers Coll, Dept Biol, Huaibei 235000, Peoples R China
来源：
BIOLOGIA PLANTARUM | 2009年 / 53卷 / 02期
关键词：
Arachis hypogaea; chlorophyll a fluorescence; gas exchange; leaf anatomy; HEAVY-METAL STRESS; DROUGHT STRESS; LEAF ANATOMY; PHASEOLUS-VULGARIS; GAS-EXCHANGE; PLANTS; GROWTH; FLUORESCENCE; INHIBITION; PARAMETERS;
D O I：
10.1007/s10535-009-0074-3
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
In this study, photosynthetic performance, pigment content, chlorophyll a fluorescence, and leaf anatomy in peanut (Arachis hypogaea) subjected to zinc (Zn) stress were investigated. Zn stress resulted in reduction of photosynthetic and transpiration rates, pigment contents and root biomass. Zn-induced xerophyte structure in peanut leaves (i.e. thick lamina, upper epidermis, and palisade mesophyll, as well as abundant and small stomata) also contributed to decreased transpiration rate and stomatal conductance. This in turn, partially contributed to the limitation of photosynthesis.
引用
收藏
页码：391 / 394
页数：4
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