The 'asparagus' Phytophthora infecting members of the Agavaceae at the Royal Botanic Gardens, Melbourne

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Contents Vol 34(3)

doi:10.1071/AP05034

The ‘asparagus’ Phytophthora infecting members of the Agavaceae at the Royal Botanic Gardens, Melbourne

James H. Cunnington ^A ^C, Srikanthi de Alwis ^A, Ian G. Pascoe ^A, Peter Symes ^B

^A Primary Industries Research Victoria (PIRVic), Department of Primary Industries, Knoxfield Centre, Private Bag 15, Ferntree Gully Delivery Centre, Vic. 3156, Australia.
^B Royal Botanic Gardens Melbourne, Birdwood Avenue, South Yarra, Vic. 3141, Australia.
^C Corresponding author. Email: james.cunnington@dpi.vic.gov.au





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Australasian Plant Pathology 34(3) 413–414 http://dx.doi.org/10.1071/AP05034
Accepted: 29 March 2005 Published online: 16 September 2005

Abstract

An undescribed species of Phytophthora, previously known only from asparagus, is reported causing a basal leaf rot leading to plant death in members of the Agavaceae at the Royal Botanic Gardens, Melbourne. Ribosomal DNA ITS sequences of isolates collected from Agave species in 2000, 2002 and 2004 were identical to isolates from Asparagus. The fungus has also been observed affecting Yucca and Furcraea species, and one collection has been made from Aloe. Further spread of the disease is currently being controlled with a Fosetyl-Al fungicide and general good hygiene practices.