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The Quantitative Genetics of Flowering Traits in Wide Crosses of Chickpea

Lakmes, A.; Jhar, A.; Penmetsa, R.V.; Wei, W.; Brennan, A.C.; Kahriman, A.

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A. Lakmes

A. Jhar

R.V. Penmetsa

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Dr Wenbin Wei
Chief Experimental Officer (Bioinformatics)

A. Kahriman


Chickpea (Cicer arietinum L.) is one of the most ımportant food legume crops in the world. Chickpea is valued for its nutritive seed composition, which is high in protein content and used increasingly as a substitute for animal protein. Days to fırst flowerıng is an important component of the adaptation and productivity of chickpea in rainfed environments characterized by terminal drought and heat stress. This study aimed to identify the inheritance pattern and identify quantitative trait loci (QTLs) for days to first flowering and flowering color in F2:4 generation nested association mapping (NAM) populations of chickpea obtained using wide crosses between Gokce as the cultivated variety and wild accessions of C. reticulatum and C. echinospermum. A total of ten populations of 113 to 191 individuals each were grown under field conditions near Sanliurfa, Turkey. Two populations were genotyped for 46 single nucleotide polymorphism (SNP) markers, enabling QTL analysis. Flowering time differed between families, with the frequency distributions indicating quantitative inheritance controlled by both genes of major and minor effects. Three significant QTLs for the flowering time were mapped in one mapping family. For flower color, chi-square tests showed that five populations accepted single-gene action, two populations accepted two-gene action, and three populations accepted neither model. Two significant QTLs at three genomic regions were identified across the two genotyped populations. Days to first flowering was positively correlated with flower color for two of the ten populations. The diversity of QTLs identified underscored the potential of crop wild relatives of chickpea as sources of novel alleles for chickpea breeding.


Lakmes, A., Jhar, A., Penmetsa, R., Wei, W., Brennan, A., & Kahriman, A. (2022). The Quantitative Genetics of Flowering Traits in Wide Crosses of Chickpea. Agriculture, 12(4), Article 486.

Journal Article Type Article
Acceptance Date Mar 14, 2022
Online Publication Date Mar 30, 2022
Publication Date 2022
Deposit Date Apr 2, 2022
Publicly Available Date Apr 13, 2022
Journal Agriculture
Publisher MDPI
Peer Reviewed Peer Reviewed
Volume 12
Issue 4
Article Number 486
Keywords chickpea (Cicer arietinum); nested association mapping (NAM); flowering time; flower color; genetic control; inheritance
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