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Construction of a high-density genetic map and QTL analysis for yield, yield components and agronomic traits in chickpea (Cicer arietinum L.)

OAR@ICRISAT

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Relation http://oar.icrisat.org/11862/
https://doi.org/10.1371/journal.pone.0251669
doi:10.1371/journal.pone.0251669
 
Title Construction of a high-density genetic map and QTL analysis for yield, yield components and agronomic traits in chickpea (Cicer arietinum L.)
 
Creator Kulwal, P L
Barmukh, R
Soren, K R
Madugula, P
Gangwar, P
Shanmugavadivel, P S
Bharadwaj, C
Konda, A K
Chaturvedi, S K
Bhandari, A
Rajain, K
Singh, N P
Roorkiwal, M
Varshney, R K
 
Subject Chickpea
Genetics and Genomics
 
Description Unravelling the genetic architecture underlying yield components and agronomic traits is
important for enhancing crop productivity. Here, a recombinant inbred line (RIL) population,
developed from ICC 4958 and DCP 92–3 cross, was used for constructing linkage map and
QTL mapping analysis. The RIL population was genotyped using a high-throughput Axiom®-
CicerSNP array, which enabled the development of a high-density genetic map consisting
of 3,818 SNP markers and spanning a distance of 1064.14 cM. Analysis of phenotyping
data for yield, yield components and agronomic traits measured across three years together
with genetic mapping data led to the identification of 10 major-effect QTLs and six minoreffect
QTLs explaining up to 59.70% phenotypic variance. The major-effect QTLs identified
for 100-seed weight, and plant height possessed key genes, such as C3HC4 RING finger
protein, pentatricopeptide repeat (PPR) protein, sugar transporter, leucine zipper protein
and NADH dehydrogenase, amongst others. The gene ontology studies highlighted the role
of these genes in regulating seed weight and plant height in crop plants. The identified genomic
regions for yield, yield components, and agronomic traits, and the closely linked markers
will help advance genetics research and breeding programs in chickpea.
 
Publisher PUBLIC LIBRARY SCIENCE
 
Date 2021-05
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Identifier http://oar.icrisat.org/11862/1/journal.pone.0251669.pdf
Kulwal, P L and Barmukh, R and Soren, K R and Madugula, P and Gangwar, P and Shanmugavadivel, P S and Bharadwaj, C and Konda, A K and Chaturvedi, S K and Bhandari, A and Rajain, K and Singh, N P and Roorkiwal, M and Varshney, R K (2021) Construction of a high-density genetic map and QTL analysis for yield, yield components and agronomic traits in chickpea (Cicer arietinum L.). PLOS ONE (TSI), 16 (5). pp. 1-18. ISSN 1932-6203