First report of the presence of Verticillium dahliae VCG1A in Australia

descriptionPublicationkeyboard_double_arrow_right Article 12 Apr 2016 English Publisher:Springer Science and Business Media LLCJournal:Australasian Plant Disease Notes, volume 11 (eissn: 1833-928X,

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Authors: Chapman, Toni A.; Chambers, Grant A.; Kirkby, Karen; Jiménez-Díaz, Rafael M.;

doi: 10.1007/s13314-016-0197-2

handle: 10261/157858

First report of the presence of Verticillium dahliae VCG1A in Australia

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Abstract

For 32 years, cotton grown in NSW has been monitored for Verticillium wilt, with isolates of Verticillium dahliae Kleb. stored in the NSW Department of Primary Industries culture collection. An increase in disease severity in the 2013/14 season suggests a more virulent pathogenic strain may have been introduced. Eight V. dahliae isolates were selected for vegetative compatibility group (VCG) analysis using molecular assays and nit mutant testing. Two of the eight isolates were identified as the highly virulent defoliating VCG1A, making this the first record of VCG1A in Australia.

This research was made possible through funding from the Cotton Research and Development Corporation (CRDC).

Peer reviewed

Related Organizations

University of Córdoba
Spain
New South Wales Department of Primary Industries
Australia
Department of Agriculture and Fisheries
Australia
University of Córdoba (Spain)
Spain
Queensland Government
Australia

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Keywords

Non-defoliating, Verticillium wilt, Cotton, Defoliating

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