Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/13575
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Type: Journal article
Title: Identification and mapping of a gene conferring resistance to the spot form of net blotch (Pyrenophora teres f maculata) in barley
Author: Williams, K.
Lichon, A.
Gianquitto, P.
Kretschmer, J.
Karakousis, A.
Manning, S.
Langridge, P.
Wallwork, H.
Citation: Theoretical and Applied Genetics, 1999; 99(1-2):323-327
Publisher: SPRINGER VERLAG
Issue Date: 1999
ISSN: 0040-5752
1432-2242
Statement of
Responsibility: 
K. J. Williams, A. Lichon, P. Gianquitto, J. M. Kretschmer, A. Karakousis, S. Manning, P. Langridge, H. Wallwork
Abstract: Spot form of net blotch (SFNB) (Pyrenophora teres f maculata) is an economically damaging foliar disease of barley in many of the world’s cereal growing areas. The development of SFNB-resistant cultivars may be accelerated through the use of molecular markers. A screen for SFNB resistance in 96 lines identified four new sources of resistance, including a feed variety, ‘Galleon’, for which a fully mapped doubled haploid population was available. Segregation data indicated SFNB resistance was conferred by a single gene in the ‘Galleon’בHaruna Nijo’ cross, positioned on the long arm of chromosome 7H. This gene is designated Rpt4 and is flanked by the RFLP loci Xpsr117(D) and Xcdo673 at distances of 6.9 cM and 25.9 cM, respectively. The marker Xpsr117(D) was validated using another population segregating for Rpt4, correctly predicting SFNB resistance with more than 90% accuracy.
Keywords: Hordeum vulgare, Disease resistance, Genetic mapping, RFLP, QTL
Rights: © Springer
RMID: 0030003675
DOI: 10.1007/s001220051239
Appears in Collections:Agriculture, Food and Wine publications

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