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The effect of shift in physiological and anatomical traits on light use efficiency under cotton domestication.

Authors :
Lei, Zhangying
Han, Jimei
Chen, Yunrui
Zhang, Wangfeng
Cai, Xiaoyan
Liu, Fang
Zhang, Yali
Source :
Physiologia Plantarum; Mar/Apr2023, Vol. 175 Issue 2, p1-9, 9p
Publication Year :
2023

Abstract

The effect of crop domestication on photosynthetic productivity has been well‐studied, but at present, none examines its impacts on leaf anatomy and, consequently, light use efficiency in cotton. We investigated leaf and vein anatomy traits, light use efficiency (LUE) and gas exchange in 26 wild and 30 domesticated genotypes of cotton grown under field conditions. The results showed that domestication resulted in a higher photosynthetic rate, higher stomatal conductance, and lower lamina mass per area. Higher LUE was underpinned by the thicker leaves, greater vein volume, elongated palisade and higher chlorophyll content, although there was no difference in the apparent quantum yield. The lower vein mass per area in domesticated genotypes contributed to the reduction of lamina mass per area, but there was no decrease in vein length per area. Our study suggests that domestication has triggered a considerable shift in physiological and anatomical traits to support the increase in LUE. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
00319317
Volume :
175
Issue :
2
Database :
Complementary Index
Journal :
Physiologia Plantarum
Publication Type :
Academic Journal
Accession number :
163310272
Full Text :
https://doi.org/10.1111/ppl.13884