Heteropyxis natalensis, a new host of Puccinia psidii rust

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doi:10.1071/AP05023

Heteropyxis natalensis, a new host of Puccinia psidii rust

A. C. Alfenas ^A ^D, E. A. V. Zauza ^A, M. J. Wingfield ^B, J. Roux ^B, M. Glen ^C

^A Department of Plant Pathology, Federal University of Viçosa, 36570-000, Viçosa – MG, Brazil.
^B Tree Protection Co-operative Programme, University of Pretoria, South Africa.
^C CSIRO Division of Forestry and Forest Products, Perth, Private Bag 5, Wembley, WA 6913, Australia.
^D Corresponding author. Email: aalfenas@ufv.br





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Australasian Plant Pathology 34(2) 285–286 http://dx.doi.org/10.1071/AP05023
Accepted: 15 March 2005 Published online: 22 June 2005

Abstract

Artificial inoculation tests have shown that Heteropyxis natalensis is a new host of the Eucalyptus rust fungus Puccinia psidii. This tree resides in the Heteropyxidaceae, a southern African family, and it is the first species outside the Myrtaceae shown to be susceptible to P. psidii. H. natalensis was highly susceptible to infection by the rust and would be severely damaged if the pathogen were accidentally introduced into Southern Africa.