Mapping of QTLs for traits related to leaf pubescence, jassid resistance and yield in cotton (Gossypium spp.)

Mahantesh Sankeshwar; M. P. Jadhav; Sateesh Adiger; Rajesh S. Patil; I. S. Katageri

Published: May 25, 2018

Keywords:

Abaxial leaf pubescence count, leaf midrib pubescence count, quantitative trait loci, single nucleotide polymorphism, cotton

Mahantesh Sankeshwar

Department of Biotechnology, University of Agricultural Sciences, Dharwad 580 005, Karnataka

M. P. Jadhav

Department of Biotechnology, University of Agricultural Sciences, Dharwad 580 005, Karnataka

Sateesh Adiger

Department of Biotechnology, University of Agricultural Sciences, Dharwad 580 005, Karnataka

Rajesh S. Patil

Department of Biotechnology, University of Agricultural Sciences, Dharwad 580 005, Karnataka

I. S. Katageri

Department of Biotechnology, University of Agricultural Sciences, Dharwad 580 005, Karnataka

Abstract

Present investigation was carried out to find the QTLs associated with leaf pubescence, jassid resistance and yield traits in cotton. Available SNP based linkage map was used for QTL analysis. Single marker analysis and simple interval mapping identified 24 and 11 associated QTLs, respectively. Composite interval mapping detected only seven QTLs, of which five were associated with jassid injury resistance and leaf pubesence with 8.83-11.64 % phenotypic variance explained. One QTL each for seed cotton yield and boll weight was detected. These identified QTLs and markers may be used in molecular breeding for improving yield and insect resistance in cotton.

How to Cite

Sankeshwar, M., Jadhav, M. P., Adiger, S., Patil, R. S., & Katageri, I. S. (2018). Mapping of QTLs for traits related to leaf pubescence, jassid resistance and yield in cotton (Gossypium spp.). INDIAN JOURNAL OF GENETICS AND PLANT BREEDING, 78(02), 252–260. Retrieved from https://www.isgpb.org/journal/index.php/IJGPB/article/view/82

Issue

Vol. 78 No. 02 (2018): Indian Journal of Genetics and Plant Breeding

Section

Research Article

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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Mapping of QTLs for traits related to leaf pubescence, jassid resistance and yield in cotton (Gossypium spp.)

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