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QTLs for stomatal and photosynthetic traits related to salinity tolerance in barley


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Liu, X, Fan, Y, Mak, M, Babla, M, Holford, P, Wang, F ORCID: 0000-0002-1938-6658, Chen, G, Scott, G, Wang, G, Shabala, S ORCID: 0000-0003-2345-8981, Zhou, M ORCID: 0000-0003-3009-7854 and Chen, Z-H 2017 , 'QTLs for stomatal and photosynthetic traits related to salinity tolerance in barley' , BMC Genomics, vol. 18 , pp. 1-13 , doi: 10.1186/s12864-016-3380-0.

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Background:Stomata regulate photosynthesis and transpiration, and these processes are critical for plant responses to abiotic stresses such as salinity. A barley double haploid population with 108 lines derived from a cross between CM72 (salt-tolerant) and Gairdner (salt-sensitive) was used to detect quantitative trait loci (QTLs) associated with stomatal and photosynthetic traits related to salinity tolerance.Results:A total of 11 significant QTLs (LOD > 3.0) and 11 tentative QTLs (2.5 Conclusions:The lack of major QTLs for gas exchange and stomatal traits under control and saline conditions indicates a complex relationship between salinity and leaf gas exchange due to the fact that these complex quantitative traits are under the control of multiple genes.

Item Type: Article
Authors/Creators:Liu, X and Fan, Y and Mak, M and Babla, M and Holford, P and Wang, F and Chen, G and Scott, G and Wang, G and Shabala, S and Zhou, M and Chen, Z-H
Keywords: gas exchange, guard cell, Hordeum vulgare L, QTL mapping, stomatal regulation
Journal or Publication Title: BMC Genomics
Publisher: Biomed Central Ltd
ISSN: 1471-2164
DOI / ID Number: 10.1186/s12864-016-3380-0
Copyright Information:

Copyright 2017 The Author(s). Licensed under Creative Commons Attribution 4.0International License (CC BY 4.0) (

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