The use of molecular markers for characterisation of spring barley for breeding to Fusarium head blight resistance

M. Špunarová, J. Ovesná, L. Tvarůžek, L. Kučera, J. Špunar and I. Hollerová
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M. Špunarová: Agrotest, Agricultural Testing, Advisory Services and Research, Ltd., Kroměříž, Czech Republic
J. Ovesná: Research Institute of Crop Production, Prague-Ruzyně, Czech Republic
L. Tvarůžek: Agrotest, Agricultural Testing, Advisory Services and Research, Ltd., Kroměříž, Czech Republic
L. Kučera: Research Institute of Crop Production, Prague-Ruzyně, Czech Republic
J. Špunar: Agrotest, Agricultural Testing, Advisory Services and Research, Ltd., Kroměříž, Czech Republic
I. Hollerová: Breewing and Malting, Ltd. Co., Prague, Czech Republic

Plant, Soil and Environment, 2005, vol. 51, issue 11, 483-490

Abstract: Fusarium head blight (FHB) is a barley disease, which occurs every year in various areas of barley cultivation all over the world and the increasing incidence has been confirmed in the Czech Republic also during the last years. We aimed to emply AFLP (Amplified fragment length polymorphism) and SSR (Single sequence repeats) markers to describe diversity among breeding lines with a sufficient level of resistance towards FHB and to find marker(s) associated with the analysed traits. The number of eight accessions including five expected resistance donors and three sensitive lines were tested in the field and laboratory. The field values and the amount of deoxynivalenol were positively correlated (r = 0.92). The laboratory test and content DON manifested also a high correlation (r = 0.73). Several DH lines developed from androgenetic barley progenies of the F1 hybrids between the susceptible line PI 383933 and resistant line PEC 210 or the susceptible line PI 383933 and resistant cultivar Chevron were found resistant towards Fusarium infection in both the field and laboratory tests. Low infestation was found at line DH 37 from combination Chevron × PI 383933 and lines DH48, DH49, DH50 and DH55 from the combination PEC 210 × PI 383933. Cluster analyses based on 68 AFLP and 18 SSR markers demonstrate a genetic relationship among parental genotypes and DH lines.Some DH lines combined a sufficient degree of resistance against FHB and extract content (basic parameters malting quality). Statistically significant differences in malt-extract values were observed between groups of the DH lines possessing and not possessing the AFLP marker CAA/AGC 341bp. The markers will be further evaluated and optionally used for MAS.

Keywords: barley; Hordeum vulgare L.; Fusarium head blight; AFLP; SSR; dihaploid lines; malting quality (search for similar items in EconPapers)
Date: 2005
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:51:y:2005:i:11:id:3621-pse

DOI: 10.17221/3621-PSE

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