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ISSN: 2375-4338

Rice Research: Open Access
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  • Research Article   
  • J Rice Res 2017, Vol 5(4): 186
  • DOI: 10.4172/2375-4338.1000186

QTL Analysis in Aromatic Rice of Assam, India

Preeti Rekha Talukdar1, Sunayana Rathi2, Khanin Pathak2, Sanjay Chetia3, Akhil Ranjan Baruah4 and Ramendra Nath Sarma1*
1Department of Plant Breeding and Genetics, Assam Agricultural University, Jorhat, India
2Biochemistry & Agricultural Chemistry, Assam Agricultural University, Jorhat, India
3Regional Agricultural Research Station, Assam Agricultural University, Titabar, India
4Department of Agricultural Biotechnology, Assam Agricultural University, Jorhat, India
*Corresponding Author : Ramendra Nath Sarma, Department of Plant Breeding and Genetics, Assam Agricultural University, Jorhat, 785013, India, Tel: +919435350529, Email: [email protected]

Received Date: Oct 19, 2017 / Accepted Date: Nov 22, 2017 / Published Date: Nov 25, 2017

Abstract

The study was carried out to identify quantitative trait loci (QTLs) controlling 12 morphological traits in rice using a F2 derived from Ranjit and Kola Joha cross. A framework linkage map of 1387.9cM was developed using 102 SSR markers and other few markers linked to aroma. QTL analysis based on composite interval mapping identified 24 QTLs was for 12 traits. Among them two QTLs were identified for grain aroma each on chromosome 5 and chromosome 8, out of which the QTLs between Aro1-BAD2 is in similar position with aroma gene of Basmati rice. Most of the QTLs identified in the current study, showed a range of partial to over-dominance effects, indicating complexity of the traits under consideration. Some genomic regions were associated with more than one trait, indicating linkage and/or pleiotropic effects. Marker linked to the QTLs can be considered for use in marker assisted breeding as being confirmatory to other reports.

Citation: Sarma RN, Talukdar PR, Rathi S, Pathak K, Chetia S, et al. (2017) QTL Analysis in Aromatic Rice of Assam, India. J Rice Res 5:186. Doi: 10.4172/2375-4338.1000186

Copyright: © 2017 Sharma RN, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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