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Version 3.21
Publication Type J
Authors Quiroga, M; Tommasino, E; Griffa, S; Ribotta, A; Colomba, EL; Carloni, E; Grunberg, K
Author Full Name Quiroga, Mariana; Tommasino, Exequiel; Griffa, Sabrina; Ribotta, Andrea; Lopez Colomba, Eliana; Carloni, Edgardo; Grunberg, Karina
Title Genotypic variation in response to salinity in a new sexual germplasm of Cenchrus ciliaris L.
Language English
Document Type Article
Author Keywords Cenchrus ciliaris; Sexual hybrids; Salt stress; Seedling; Germination
Abstract As part of a breeding program for new salt-tolerant sexual genotypes of Cenchrus ciliaris L, here we evaluated the salt-stress response of two new sexual hybrids, obtained by controlled crosses, at seedling and germination stages. A seedling hydroponic experiment with 300 mM NaCl was performed and physiological variables and growth components were evaluated. While salt-treated sexual material did not show a decrease in productivity with respect to control plants, a differential response in some physiological characteristics was observed. Sexual hybrid 1-9-1 did not suffer oxidative damage and its proline content did not differ from that of control treatment. By contrast, sexual hybrid 1-7-11 suffered oxidative damage and accumulated proline, maintaining its growth under saline stress. At the germination stage, sexual hybrid 1-9-1 presented the highest Germination Rate Index at the maximum NaCl concentration assayed, suggesting an ecological advantage in this genotype. These new sexual resources are promising maternal parental with differential response to salt and could be incorporated in a breeding program of C. ciliaris in the search of new genotypes tolerant to salinity. (C) 2016 Elsevier Masson SAS. All rights reserved.
Author Address [Quiroga, Mariana; Tommasino, Exequiel; Griffa, Sabrina; Ribotta, Andrea; Lopez Colomba, Eliana; Carloni, Edgardo; Grunberg, Karina] Inst Nacl Tecnol Agr IFRGV CIAP INTA, Inst Fisiol & Recursos Genet Vegetales, Ctr Invest Agr, Camino 60 Cuadras Km 5 1 2,X5020ICA, Cordoba, Argentina; [Grunberg, Karina] Consejo Nacl Invest Cient & Tecn, Godoy Cruz 2290,C1425FQB, Caba, Argentina
Reprint Address Quiroga, M (reprint author), Inst Nacl Tecnol Agr IFRGV CIAP INTA, Inst Fisiol & Recursos Genet Vegetales, Ctr Invest Agr, Camino 60 Cuadras Km 5 1 2,X5020ICA, Cordoba, Argentina.
E-mail Address quiroga_mariana@yahoo.com.ar
ORCID Number Grunberg, Karina/0000-0001-8406-5546
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Cited Reference Count 86
Publisher City PARIS
Publisher Address 23 RUE LINOIS, 75724 PARIS, FRANCE
ISSN 0981-9428
29-Character Source Abbreviation PLANT PHYSIOL BIOCH
ISO Source Abbreviation Plant Physiol. Biochem.
Publication Date MAY
Year Published 2016
Volume 102
Beginning Page 53
Ending Page 61
Digital Object Identifier (DOI) 10.1016/j.plaphy.2016.02.016
Page Count 9
Web of Science Category Plant Sciences
Subject Category Plant Sciences
Document Delivery Number DJ3CD
Unique Article Identifier WOS:000374081500007
Plants associated with this reference

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