Multiple Fusarium head blight resistance loci mapped and pyramided onto elite spring wheat Fhb1 backgrounds using an IBD-based linkage approach

Eckard, Jonathan Tyler; Glover, Karl D.; Mohamed, Maryati; Anderson, James A.; Gonzalez-Hernandez, Jose L.

doi:10.1007/s10681-014-1333-8

Cited by 7 publications

(5 citation statements)

References 29 publications

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Section: Methods Of Genetic Analysis Of Fhb Resistance In Wheatmentioning

confidence: 99%

“…An identity‐by‐descent (IBD)‐based linkage analysis (Eckard, Glover, Mergoum, Anderson, & Gonzalez‐Hernandez, ; Eckard, Gonzalez‐Hernandez, et al, ) and family‐based association mapping (Rosyara, Gonzalez‐Hernandez, Glover, Gedye, & Stein, ) were used for simultaneous mapping, validation and marker‐assisted pyramiding of resistance QTL. In a multiparent spring wheat population of over 800 segregating F 1 progeny from 43 four‐way crosses QTL for FHB resistance were identified on chromosomes 2A, 2B, 3B ( Fhb1 ) and 7B (Eckard, Glover, et al, ). A multiparent winter wheat population revealed a total of 15 QTL for FHB resistance, including known loci, such as Fhb1 , Fhb5 , Rht‐D1 and Rht‐B1 , and potentially novel QTL (Eckard, Gonzalez‐Hernandez, et al, ).Rosyara et al () and Eckard, Gonzalez‐Hernandez, et al () confirmed a significant FHB resistance improvement through successful introgression of Fhb1 resistance in the South Dakota State University spring wheat breeding programme.…”

Section: Methods Of Genetic Analysis Of Fhb Resistance In Wheatmentioning

confidence: 99%

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Breeding for Fusarium head blight resistance in wheat—Progress and challenges

2019

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Fusarium head blight is among the most extensively studied fungal diseases of wheat and other small grain cereals due to its impact on yield and quality, but particularly due to its potential to produce mycotoxins, which are harmful to humans and animals. Since our last comprehensive review on QTL mapping and marker‐assisted selection for FHB resistance in wheat in 2009, numerous studies have been conducted to identify, validate or fine‐map resistance QTL. The main aim of this review is to update and summarize findings on FHB resistance breeding of wheat published during the last decade. Furthermore, we compiled a user‐friendly table listing FHB resistance QTL data providing a valuable resource for further FHB resistance research. The role of morphological and phenological traits on FHB resistance and possible consequences for resistance breeding are discussed. This review concentrates current knowledge on breeding for FHB resistance and suggests strategies to enhance resistance by deploying molecular breeding methods, including marker‐assisted and genomic selection.

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Section: Methods Of Genetic Analysis Of Fhb Resistance In Wheatmentioning

confidence: 99%

Section: Methods Of Genetic Analysis Of Fhb Resistance In Wheatmentioning

confidence: 99%

Breeding for Fusarium head blight resistance in wheat—Progress and challenges

2019

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“…Native FHBresistance genes from local winter wheat varieties in the USA have been introduced through the application of identity-by-descent-based (IDB-based) linkage mapping into the winter wheat cultivar 'Wesley' with the Fhb1 background (Eckard et al 2015a). Similar approaches taken to introduce native resistance into spring wheat have resulted in identification of a novel QTL on chromosome 2A (Eckard et al 2015b). Isolation of FHB-resistance genes via Fhb1 and use of the derived markers for screening multiple wheat accessions requires a continuous breeding effort.…”

Section: Fusarium Head Blight Candidate Disease Resistance Genes and Breeding Strategies In Wheatmentioning

confidence: 99%

Building on a foundation: advances in epidemiology, resistance breeding, and forecasting research for reducing the impact of fusarium head blight in wheat and barley

Fernando

Oghenekaro

Tucker

et al. 2021

Canadian Journal of Plant Pathology

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“…The authors proposed an initial round of phenotypic selection at moderate selection intensity to enrich the population with major resistance alleles while preserving variation at minor resistance loci followed by genotyping for resistance alleles at the major QTL (Agostinelli et al 2012). Eckard et al (2015) conducted mapping, validation and marker-assisted pyramiding of resistance QTL simultaneously in early generation breeding populations using identical-bydescent-based linkage analysis. This approach facilitates fast and direct application of QTL mapping results.…”

Section: Marker-assisted Selectionmentioning

confidence: 99%

Breeding strategies and advances in line selection for Fusarium head blight resistance in wheat

Steiner

Buerstmayr

Michel

et al. 2017

Trop. plant pathol.

150

155

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Fusarium head blight (FHB) is a fungal disease of worldwide importance to small grain cereals that may lead to severe losses in both yield and quality. The development of resistant varieties is the most effective approach for managing the disease. Genetic variation for FHB resistance is large, including 'exotic' and 'native' wheat germplasm. Methods for selecting improved lines include: 1) phenotypic selection with direct symptom evaluation; 2) marker-assisted selection for well-characterized QTL and 3) genomic selection employing genome-wide prediction models. Breeding programs need to find the optimal deployment of the complementary approaches according to their available facilities, resources and requirements. This review aims to summarize recent advances in FHB resistance breeding, thereby discussing the importance of morphological traits like the extent of retained anthers after flowering, its suitability for indirect selection and the pronounced association of the semi-dwarfing allele Rht-D1b with increased anther retention and FHB severity. Markerassisted selection is successfully applied to select for largeeffect QTL, especially for the most prominent resistance QTL Fhb1 in bread wheat, as well as in durum wheat as recently demonstrated. The resistance locus Fhb1 has been partly elucidated, a pore-forming toxin-like gene confers resistance against fungal spread. Genomic selection for FHB resistance appears promising especially for breeding programs deploying 'native' resistance sources with many small-effect QTL.

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Multiple Fusarium head blight resistance loci mapped and pyramided onto elite spring wheat Fhb1 backgrounds using an IBD-based linkage approach

Cited by 7 publications

References 29 publications

Breeding for Fusarium head blight resistance in wheat—Progress and challenges

Breeding for Fusarium head blight resistance in wheat—Progress and challenges

Building on a foundation: advances in epidemiology, resistance breeding, and forecasting research for reducing the impact of fusarium head blight in wheat and barley

Breeding strategies and advances in line selection for Fusarium head blight resistance in wheat

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