African Journal of
Biotechnology

  • Abbreviation: Afr. J. Biotechnol.
  • Language: English
  • ISSN: 1684-5315
  • DOI: 10.5897/AJB
  • Start Year: 2002
  • Published Articles: 12487

Full Length Research Paper

Validation of rice markers tagged to salinity stress

Aliyu, R. E.1*, Adamu, A. K.1, Muazu, S.1, Alonge, S.1 and Gregorio, G. B.2
1Department of Biological Sciences, Ahmadu Bello University, Zaria, Nigeria. 2International Rice Research Institute, Las Banos, Philippines.  
Email: [email protected]

  •  Accepted: 11 December 2012
  •  Published: 22 May 2013

Abstract

Validation of rice markers tagged to salinity stress revealed five (5) quantitative trait loci (QTLs) for salinity tolerance. One  QTL for tiller number was revealed with RM286, two QTLs for root length were tagged with RM587 and RM589 in chromosome 6. Two QTLs for leaf diameter were tagged at chromosome 6 and 11 with RM508 and RM286, respectively. A novel QTL for tiller number located in chromosome 11 (qSTN-11) was tagged with RM286. Phenotypic variance explained by the QTLs ranged from 4.0 to 10.06%. RM286 tagged tolerant genotypes with similar tillering obtained from an F2 breeding population (IR88399-B) and from the rice species evaluated. Consequently, RM286 could be utilized  in marker assisted selections (MAS) for salt tolerant genotypes.

 

Key words: RM286, rice markers, QTL, salt tolerance.

Abbreviation

QTL, RM, MAS etc

Copyright © 2024 Author(s) retain the copyright of this article.

This article is published under the terms of the Creative Commons Attribution License 4.0

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