The Quantitative Genetics of Flowering Traits in Wide Crosses of Chickpea

Abdulkarim Lakmes, Abdullah Jhar, R. Varma Penmetsa, Wenbin Wei, Adrian C. Brennan and Abdullah Kahriman
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Abdulkarim Lakmes: Department of Field Crops, Harran University, Sanliurfa 63100, Turkey
Abdullah Jhar: Department of Field Crops, Harran University, Sanliurfa 63100, Turkey
R. Varma Penmetsa: Department of Plant Sciences, University of California, Davis, CA 95616, USA
Wenbin Wei: Biosciences Department, Durham University, Durham DH1 3LE, UK
Adrian C. Brennan: Biosciences Department, Durham University, Durham DH1 3LE, UK
Abdullah Kahriman: Department of Field Crops, Harran University, Sanliurfa 63100, Turkey

Agriculture, 2022, vol. 12, issue 4, 1-16

Abstract: 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 F 2:4 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.

Keywords: chickpea ( Cicer arietinum ); nested association mapping (NAM); flowering time; flower color; genetic control; inheritance (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2022
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