First report of Alternaria blight of Paulownia spp.

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Contents Vol 34(1)

doi:10.1071/AP04087

First report of Alternaria blight of Paulownia spp.

J. D. Ray ^A ^B, T. Burgess ^A, N. Malajczuk ^A, G. E. St J. Hardy ^A

^A School of Biological Sciences and Biotechnology, Murdoch University, South Street, Murdoch, WA 6150, Australia.
^B Corresponding author. Email: jray@agric.wa.gov.au





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Australasian Plant Pathology 34(1) 107–109 http://dx.doi.org/10.1071/AP04087
Submitted: 22 April 2004 Accepted: 30 August 2004 Published online: 22 March 2005

Abstract

A severe disease was observed in Western Australian plantations of Paulownia fortunei in October 2001. Symptoms included black and light brown leaf lesions, and sunken cankers on petioles, branches and trunks of many trees. Alternaria spp. were isolated from 100% of all diseased tissues. Sequence data from the ribosomal ITS operon placed all isolates within the A. alternata complex. This is the first report of Alternaria blight of Paulownia spp.