Mapping of QTLs governing agronomic and yield traits in chickpea

Publication Overview
TitleMapping of QTLs governing agronomic and yield traits in chickpea
AuthorsGowda SJM, Radhika P, Mhase LB, Jamadagni BM, Gupta VS, Kadoo NY
TypeJournal Article
Journal NameJournal of Applied Genetics
Volume52
Year2011
Page(s)9-21
CitationGowda SJM, Radhika P, Mhase LB, Jamadagni BM, Gupta VS, Kadoo NY. Mapping of QTLs governing agronomic and yield traits in chickpea. J Appl Genetics. 2011; 52:9-21.

Abstract

Chickpea is one of the most important leguminous cool season food crops, cultivated prevalently in South Asia and Middle East. The main objective of this study was to identify quantitative trait loci (QTLs) associated with seven agronomic and yield traits in two recombinant inbred line populations of chickpea derived from the crosses JG62 × Vijay (JV population) and Vijay × ICC4958 (VI population) from at least three environments. Single locus QTL analysis involved composite interval mapping (CIM) for individual traits and multiple-trait composite interval mapping (MCIM) for correlated traits to detect pleiotropic QTLs. Two-locus analysis was conducted to identify the main effect QTLs (M-QTLs), epistatic QTLs (E-QTLs) and QTL × environment interactions. Through CIM analysis, a total of 106 significant QTLs (41 in JV and 65 in VI populations) were identified for the seven traits, of which one QTL each for plant height and days to maturity was common in both the populations. Six pleiotropic QTLs that were consistent over the environments were also identified. LG2 in JV and LG1a in VI contained at least one QTL for each trait. Hence, concentrating on these LGs in molecular breeding programs is most likely to bring simultaneous improvement in these traits.
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Pages

Projects
This publication contains information about 1 projects:
Project NameDescription
Chickpea-agronomic_yield_trait-Kadoo-2011
Featuremaps
This publication contains information about 2 maps:
Map Name
chickpea-JG62xVijay-RIL-2011
chickpea-VijayxICC4958-RIL-2011
Properties
Additional details for this publication include:
Property NameValue
URLhttp://link.springer.com/article/10.1007%2Fs13353-010-0016-y