The International Breeding Strategy for the Incorporation of Resistance in Bread Wheat Against the Soil Borne Pathogens (Dryland Root Rot and Cyst and Lesion Cereal Nematodes) Using Conventional and Molecular Tools

Nıcol, J. M.; Bolat, N.; Bagci, Ahmet; Trethowan, R.; William, M.; Hekimhan, Hakan; Yıldırım, A. F.; Şahin, Esin; Elekcioğlu, Halil; Toktay, Halil; Tunalı, Berna; Hede, A.; Taner, Seyfi; Braun, Hans‐Joachim; Ginkel, M. van; Keser, Mesut; Arısoy, Z.; Yorgancılar, Aysel; Tülek, Adnan; Erdurmuş, Durmuş; Büyük, Orhan; Aydoğdu, Mehmet

doi:10.1007/1-4020-5497-1_17

Cited by 14 publications

(16 citation statements)

References 3 publications

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“…The variation among pathogenic isolates associated with the FCR complex has been previously studied by employing various assessment standards of inoculation techniques, including millet seeds, spore suspension and agar plugs (Akinsanmi et al, 2004;Fernandez and Chen, 2005;Smiley et al, 2005a;Mitter et al, 2006;Nicol et al, 2007;Li et al, 2008;Dyer et al, 2009;Gargouri-Kammoun et al, 2009;Yang et al, 2010;Poole et al, 2012). Most of these studies found that F. pseudograminearum and F. culmorum were the most pathogenic species, and F. avenaceum, F. equiseti and F. poae were the least pathogenic species.…”

Section: Introductionmentioning

confidence: 99%

Diversity of the Fusarium pathogens associated with crown rot in the Huanghuai wheat‐growing region of China

Zhou

Wang

et al. 2019

Environmental Microbiology

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Summary To investigate the distribution and diversity of the pathogens associated with Fusarium crown rot in the Huanghuai wheat‐growing region (HHWGR) of China, we collected wheat samples with symptomatic stem bases from seven provinces in the HHWGR between 2013 and 2016. A total of 1196 isolates obtained from 222 locations were identified as 9 Fusarium species based on morphological and molecular identification. Of these pathogen species, F. pseudograminearum was the dominant species. Furthermore, F. sinensis was isolated from the disease specimens and tested for virulence to wheat. The result of the pathogenicity revealed that an intraspecific differentiation existed in F. pseudograminearum; sequence analysis of the EF‐1α gene showed that 194 F. pseudograminearum isolates were differentiated into two distinct clades which closed to the strains from Australia and China respectively, but neither pathogenicity nor EF‐1α sequence was related to the geographic origins of these isolates. However, universal rice primers‐polymerase chain reaction showed a correlation with the geographical origins of the 194 isolates, which were divided into eight subclusters, the level of genetic diversity was higher within a geographical population than among the different populations. The results of these analyses can be directly used to facilitate disease monitoring and development of control strategies.

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Section: Introductionmentioning

confidence: 99%

Diversity of the Fusarium pathogens associated with crown rot in the Huanghuai wheat‐growing region of China

Zhou

Wang

et al. 2019

Environmental Microbiology

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“…Fusarium crown rot (FCR) is one of the most persistent soil-borne diseases of dryland wheat ( Triticum aestivum L.) in the Pacific Northwest (PNW) of the United States, as well as world-wide (Cook 1992; Burgess et al 2001; Backhouse et al 2004; Nicol et al 2007; Smiley et al 2005a). The disease is caused by a complex of species of which Fusarium pseudograminearum (O’Donnell & Aoki) (= F. graminearum group I, = Gibberella coronicola ) and F. culmorum (Wm.…”

Section: Introductionmentioning

confidence: 99%

“…Sacc.) are the most significant (Burgess et al 2001; Smiley et al 2005a; Nicol et al 2007). Cook (2001) estimated that soil-borne root diseases cost the US about 10 million tons in wheat production annually.…”

Section: Introductionmentioning

confidence: 99%

“…Yield loss due to FCR has been documented to be from 9 to 89%. In the %PNW, yield losses have been documented as high as 35%, with an accepted average of 9%, while world-wide losses exceeding 30% have been reported (Cook 1968, 1992; Kane et al 1987; Burgess et al 2001; Dodman and Wildermuth 1987; Klein et al 1990; Nicol et al 2007). …”

Section: Introductionmentioning

confidence: 99%

“…FCR resistance has been documented with a wide range of inoculation method assays and rating systems (including 0–4 scales and severity indices) to quantify disease levels in both seedlings and adult plants (Liddell et al 1986 ; Dodman and Wildermuth 1987 ; Wildermuth and McNamara 1994 ; Wallwork et al 2004 ; Mitter et al 2006 ; Nicol et al 2007 ; Li et al 2008 ). Wallwork et al ( 2004 ) proposed a concept of adult and seedling plant resistance and postulated that more resistant genotypes could be detected in seedling assays, whereas genotypes with partial resistance are better detected in adult plant assays.…”

Section: Introductionmentioning

confidence: 99%

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Identification of quantitative trait loci (QTL) for resistance to Fusarium crown rot (Fusarium pseudograminearum) in multiple assay environments in the Pacific Northwestern US

et al. 2012

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Fusarium crown rot (FCR), caused by Fusarium pseudograminearum and F. culmorum, reduces wheat (Triticum aestivum L.) yields in the Pacific Northwest (PNW) of the US by as much as 35%. Resistance to FCR has not yet been discovered in currently grown PNW wheat cultivars. Several significant quantitative trait loci (QTL) for FCR resistance have been documented on chromosomes 1A, 1D, 2B, 3B, and 4B in resistant Australian cultivars. Our objective was to identify QTL and tightly linked SSR markers for FCR resistance in the partially resistant Australian spring wheat cultivar Sunco using PNW isolates of F. pseudograminerarum in greenhouse and field based screening nurseries. A second objective was to compare heritabilities of FCR resistance in multiple types of disease assaying environments (seedling, terrace, and field) using multiple disease rating methods. Two recombinant inbred line (RIL) mapping populations were derived from crosses between Sunco and PNW spring wheat cultivars Macon and Otis. The Sunco/Macon population comprised 219 F6:F7 lines and the Sunco/Otis population comprised 151 F5:F6 lines. Plants were inoculated with a single PNW F. pseudograminearum isolate (006-13) in growth room (seedling), outdoor terrace (adult) and field (adult) assays conducted from 2008 through 2010. Crown and lower stem tissues of seedling and adult plants were rated for disease severity on several different scales, but mainly on a numeric scale from 0 to 10 where 0 = no discoloration and 10 = severe disease. Significant QTL were identified on chromosomes 2B, 3B, 4B, 4D, and 7A with LOD scores ranging from 3 to 22. The most significant and consistent QTL across screening environments was located on chromosome 3BL, inherited from the PNW cultivars Macon and Otis, with maximum LOD scores of 22 and 9 explaining 36 and 23% of the variation, respectively for the Sunco/Macon and Sunco/Otis populations. The SSR markers Xgwm247 and Xgwm299 flank these QTL and are being validated for use in marker-assisted selection for FCR resistance. This is the first report of QTL associated with FCR resistance in the USElectronic supplementary materialThe online version of this article (doi:10.1007/s00122-012-1818-6) contains supplementary material, which is available to authorized users.

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Diseases which Challenge Global Wheat Production—Root, Crown, and Culm Rots

Smiley

Backhouse

Lucas³

et al. 2009

Wheat Science and Trade

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The International Breeding Strategy for the Incorporation of Resistance in Bread Wheat Against the Soil Borne Pathogens (Dryland Root Rot and Cyst and Lesion Cereal Nematodes) Using Conventional and Molecular Tools

Cited by 14 publications

References 3 publications

Diversity of the Fusarium pathogens associated with crown rot in the Huanghuai wheat‐growing region of China

Diversity of the Fusarium pathogens associated with crown rot in the Huanghuai wheat‐growing region of China

Identification of quantitative trait loci (QTL) for resistance to Fusarium crown rot (Fusarium pseudograminearum) in multiple assay environments in the Pacific Northwestern US

Diseases which Challenge Global Wheat Production—Root, Crown, and Culm Rots

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