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GrainGenes Reference Report: TAG-106-1041

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Reference	TAG-106-1041
Title	Detection of Fusarium head blight resistance QTL in a wheat population using bulked segregant analysis
Journal	Theoretical and Applied Genetics
Year	2003
Volume	106
Pages	1041-1047
Author	Shen X Zhou M Lu W Ohm H
Abstract	A population of 218 recombinant inbred lines (RILs) was developed from the cross of two wheat (Triticum aestivum L.) cultivars, 'Ning 894037' and 'Alondra'. Ning 894037 has resistance to Fusarium head blight (FHB) and Alondra is moderately susceptible. Response of the RILs and their parental lines to FHB infection was evaluated with point inoculation in four experiments both in greenhouse and in field conditions. Distribution of disease severity in the population is continuous, indicating quantitative inheritance of resistance to FHB. Bulked segregant analysis and QTL mapping based on simple sequence repeat (SSR) markers revealed three chromosome regions that are responsible for FHB resistance. A chromosome region on 3BS accounted for 42.5% of the phenotypic variation for FHB resistance. Additional QTLs were located on chromosomes 2D and 6B. These three QTLs jointly accounted for 51.6% of the phenotypic variation. SSR markers linked to the QTLs influencing resistance to FHB have potential for use in breeding programs.
External Databases	https://doi.org/10.1007/s00122-002-1133-8 Komugi: 10085
Germplasm	ALONDRA
QTL	QFhs.pur-2D
Keyword	[ Hide all but 1 of 42 ] barley blight breeding breeding programs bulked segregant analysis chromosome chromosome region detection disease fhb field fusarium fusarium head blight fusarium head blight (fhb) head blight in-field infection inheritance inoculation locus mapping phenotypic variation population qtl qtl mapping quantitative quantitative trait loci (qtl) recombinant inbred recombinant inbred line repeat resistance scab segregant analysis sequence severity simple sequence repeat simple sequence repeat (ssr) spring wheat ssr ssr marker triticum triticum aestivum

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