Journal
BIOLOGIA PLANTARUM
Volume 53, Issue 2, Pages 391-394Publisher
ACAD SCIENCES CZECH REPUBLIC, INST EXPERIMENTAL BOTANY
DOI: 10.1007/s10535-009-0074-3
Keywords
Arachis hypogaea; chlorophyll a fluorescence; gas exchange; leaf anatomy
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Funding
- Natural Science Foundation of Jiangsu Province [BK2006148]
- Natural Science Foundation for College of Aihui Province [KJ2008B66ZC]
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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.
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