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Diagnostic protocol for Black rot on grapevine (Guignardia bidwellii)

Published: Wed, 27 Mar 2013, 11:57
Last updated: Mon, 11 May 2015, 16:36
Black rot of grape is caused by the ascomycete fungus Guignardia bidwellii and can lead to substantial yield losses in humid regions when it is not effectively managed. It has been described as one of the most economically important and destructive diseases of grapes. Most cultivars of Vitis vinifera as well as French/American hybrids and American bunch grapes are susceptible, while varieties of muscadine range in disease susceptibility from resistant to very susceptible. The fungus may be spread on grapevine cuttings and fruit.
Resource provide by:
  • NPPO of Australia
URL: click here
Author/Editor name and address: Dr Mark Sosnowski, South Australian Research and Development Institute GPO Box 397 South Australia 5001 Ph: 08 8303 9489 Fax: 08 8303 9393
Type of contact: NPPO
Tags:
  • Diagnostic protocol
Submitted by: NPPO of Australia