Validation of a new spot form of net blotch differential set and evidence for hybridisation between the spot and net forms of net blotch in Australia

McLean, M. S. and Martin, A. and Gupta, S. and Sutherland, M. W. and Hollaway, G. J. and Platz, G. J. (2014) Validation of a new spot form of net blotch differential set and evidence for hybridisation between the spot and net forms of net blotch in Australia. Australasian Plant Pathology, 43 (3). pp. 223-233. ISSN 0815-3191

Abstract

A recently developed spot form of blotch differential set of 16 barley lines was tested for reaction response to 60 Pyrenophora teres f. maculata isolates from geographically disperse barley crops of Australia. Twelve barley lines (Arimont, Barque, Chebec, CI5286, CI5791, CI9214, CII6150, Dairokkaku, Esperance Orge 289, Galleon, Keel, Skiff, Torrens and TR250) provided differential response between the isolates. The susceptible controls Gairdner and Kombar provided indication of isolate virulence or avirulence. Abundant pathogenic diversity was revealed with 33 designated pathotypes, some of which related to geographic region. AFLP analysis also revealed abundant diversity with each of the isolates representing a unique genotype and one isolate that contained both AFLP bands unique to P. teres f. maculata and P. teres f. teres, the cause of spot form and net form of net blotch respectively, suggesting that sexual recombination between the net form and spot form isolates may have occurred naturally in the field.


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Item Type: Article (Commonwealth Reporting Category C)
Refereed: Yes
Item Status: Live Archive
Additional Information: © 2014 Australasian Plant Pathology Society Inc. Permanent restricted access to published version in accordance with the copyright policy of the publisher. The online version of this article (doi:10.1007/s13313-014-0285-8) contains supplementary material, which is available to authorized users.
Faculty / Department / School: Current - Faculty of Health, Engineering and Sciences - School of Agricultural, Computational and Environmental Sciences
Date Deposited: 09 Jul 2014 04:23
Last Modified: 04 Jul 2016 06:01
Uncontrolled Keywords: Dreschlera teres; barley; rot; gentypes
Fields of Research : 07 Agricultural and Veterinary Sciences > 0703 Crop and Pasture Production > 070308 Crop and Pasture Protection (Pests, Diseases and Weeds)
06 Biological Sciences > 0604 Genetics > 060411 Population, Ecological and Evolutionary Genetics
10 Technology > 1001 Agricultural Biotechnology > 100101 Agricultural Biotechnology Diagnostics (incl. Biosensors)
Socio-Economic Objective: B Economic Development > 82 Plant Production and Plant Primary Products > 8205 Winter Grains and Oilseeds > 820501 Barley
Identification Number or DOI: 10.1007/s13313-014-0285-8
URI: http://eprints.usq.edu.au/id/eprint/25452

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