Molecular mapping of Fusarium oxysporum f. sp. ciceris race 3 resistance gene in chickpea |
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| Authors: | Kamal?Dev?Sharma,P.?Winter,G.?Kahl,Fred?J.?Muehlbauer author-information" > author-information__contact u-icon-before" > mailto:muehlbau@wsu.edu" title=" muehlbau@wsu.edu" itemprop=" email" data-track=" click" data-track-action=" Email author" data-track-label=" " >Email author |
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| Affiliation: | (1) USDA-ARS Grain Legume Genetics and Physiology Unit, Washington State University, 303 Johnson Hall, Pullman, WA 99164-6434, USA;(2) Advanced Centre of Hill Bioresources and Biotechnology, CSK Himachal Pradesh Krishi Vishvavidyalaya, 176062 Palampur, India;(3) Plant Molecular Biology, Biocentre, University of Frankfurt, Marie-Curie-Strasse 9, 60439 Frankfurt, Germany;(4) Present address: USDA-ARS Grain Legume Genetics and Physiology Unit, Washington State University, Pullman, WA 99164-6434, USA |
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| Abstract: | Sequence-tagged microsatellite site (STMS) and sequence-tagged site (STS) markers linked closely to Fusarium oxysporum f. sp. ciceris race 3 resistance gene in chickpea were identified, and linkage between three wilt resistance genes was elucidated. The resistance to race 3 in chickpea germplasm accession WR-315 was inherited as a single gene, designated foc-3, in 100 F7 recombinant inbred lines derived from the cross of WR-315 (resistant) × C-104 (susceptible). The foc-3 gene was mapped 0.6 cM from STMS markers TA96 and TA27 and STS marker CS27A. Another STMS marker, TA194, at 14.3 cM, flanked the gene on the other side. Linkage between foc-3 and two other chickpea wilt resistance genes, foc-1 (syn. h 1 ) and foc-4, was established. foc-3 was mapped 9.8 cM from foc-1 and 8.7 cM from foc-4, whereas foc-1 and foc-4 are closely linked at 1.1 cM. The identification of closely linked markers to resistance genes will facilitate marker-assisted selection for introgression of the race 3 resistance gene to susceptible chickpea lines.Communicated by H.C. Becker |
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