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Mapping Resistance to Argentinean Fusarium (Graminearum) Head Blight Isolates in Wheat

Biological Science Department, UNNOBA, Buenos Aires B6000, Argentina
National Council for Scientific and Technological Research (CONICET), La Plata 1900, Argentina
Centro de Investigaciones en Fitopatología (CIDEFI-UNLP-CIC), La Plata 1900, Argentina
Genetics, Faculty of Agricultural Sciences, UNLP, La Plata 1900, Argentina
Leibniz-Institut für Pflanzengenetik und Kulturpflanzenforschung (IPK), D-06466 Seeland, Germany
Wheat Breeding Group, Plant Breeding and Genetics Division, Nuclear Institute for Agriculture and Biology, Faisalabad 38000, Pakistan
Chacra Experimental Integrada Barrow (MDA-INTA), Tres Arroyos B7500, Argentina
Centro de Investigación en Sanidad Vegetal (CISaV), FACAyF, UNLP, La Plata 1900, Argentina
Authors to whom correspondence should be addressed.
Authors contributed equally to the current work.
Academic Editor: Frank M. You
Int. J. Mol. Sci. 2021, 22(24), 13653;
Received: 26 November 2021 / Revised: 16 December 2021 / Accepted: 16 December 2021 / Published: 20 December 2021
(This article belongs to the Special Issue Genetics and Breeding of Wheat 2.0)
Fusarium head blight (FHB) of wheat, caused by Fusarium graminearum (Schwabe), is a destructive disease worldwide, reducing wheat yield and quality. To accelerate the improvement of scab tolerance in wheat, we assessed the International Triticeae Mapping Initiative mapping population (ITMI/MP) for Type I and II resistance against a wide population of Argentinean isolates of F. graminearum. We discovered a total of 27 additive QTLs on ten different (2A, 2D, 3B, 3D, 4B, 4D, 5A, 5B, 5D and 6D) wheat chromosomes for Type I and Type II resistances explaining a maximum of 15.99% variation. Another four and two QTLs for thousand kernel weight in control and for Type II resistance, respectively, involved five different chromosomes (1B, 2D, 6A, 6D and 7D). Furthermore, three, three and five QTLs for kernel weight per spike in control, for Type I resistance and for Type II resistance, correspondingly, involved ten chromosomes (2A, 2D, 3B, 4A, 5A, 5B, 6B, 7A, 7B, 7D). We were also able to detect five and two epistasis pairs of QTLs for Type I and Type II resistance, respectively, in addition to additive QTLs that evidenced that FHB resistance in wheat is controlled by a complex network of additive and epistasis QTLs. View Full-Text
Keywords: wheat; FHB; QTL mapping; ITMI; epistasis wheat; FHB; QTL mapping; ITMI; epistasis
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MDPI and ACS Style

Sgarbi, C.; Malbrán, I.; Saldúa, L.; Lori, G.A.; Lohwasser, U.; Arif, M.A.R.; Börner, A.; Yanniccari, M.; Castro, A.M. Mapping Resistance to Argentinean Fusarium (Graminearum) Head Blight Isolates in Wheat. Int. J. Mol. Sci. 2021, 22, 13653.

AMA Style

Sgarbi C, Malbrán I, Saldúa L, Lori GA, Lohwasser U, Arif MAR, Börner A, Yanniccari M, Castro AM. Mapping Resistance to Argentinean Fusarium (Graminearum) Head Blight Isolates in Wheat. International Journal of Molecular Sciences. 2021; 22(24):13653.

Chicago/Turabian Style

Sgarbi, Carolina, Ismael Malbrán, Luciana Saldúa, Gladys Albina Lori, Ulrike Lohwasser, Mian Abdur Rehman Arif, Andreas Börner, Marcos Yanniccari, and Ana Maria Castro. 2021. "Mapping Resistance to Argentinean Fusarium (Graminearum) Head Blight Isolates in Wheat" International Journal of Molecular Sciences 22, no. 24: 13653.

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