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Pathotypes of Cochliobolus sativus on barley in Australia

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Meldrum, S.I., Platz, G.J. and Ogle, H.J. (2004) Pathotypes of Cochliobolus sativus on barley in Australia. Australasian Plant Pathology, 33 (1). pp. 109-114.


Article Link: http://dx.doi.org/10.1071/AP03088

Publisher URL: http://www.publish.csiro.au


Pathotypes of Cochliobolus sativus have been reported overseas but variation in the Australian population has not been investigated nor have the optimum conditions for the identification of variation been established. Preliminary experiments showed that maximum separation of infection responses of seedlings to infection by C. sativus conidia was obtained at 21°C using inocula containing 104 conidia/mL and a dew period of 40 h. Under these conditions, the existence of pathotypes in the Australian population of C. sativus was demonstrated. Using 20 lines, six pathotypes were identified among 34 isolates of the fungus. A differential set consisting of 12 barley cultivars is proposed.

Item Type:Article
Corporate Creators:Department of Employment, Economic Development and Innovation (DEEDI), Agri-Science, Crop and Food Science
Business groups:Crop and Food Science
Additional Information:Reproduced with permission from © CSIRO Publishing. Access to published version may be available via Publisher’s website.
Keywords:Cochliobolus sativus; barley cultivars.
Subjects:Science > Botany > Cryptogams
Plant pests and diseases > Individual or types of plants or trees > Barley
Plant pests and diseases > Plant pathology
Live Archive:15 Aug 2006
Last Modified:03 Sep 2021 16:43

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