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Abstract
Puccinia boroniae Henns. is a rust fungus endemic to Australia, infecting various Boronia spp. This study describes and illustrates, using light and scanning electron microscopy, the telial stage, teliospore germination and basidiospore production of specimens collected from commercial Boronia plantations in Western Australia. Unusual formation of a single basidiospore per germinating teliospore, and the pycnial stage, observed on Boronia megastigma leaves, are reported for the first time for P. boroniae.
Financial support for this research was provided by the Western Australian Department of Agriculture, as the industry partner for ARC LINKAGE APAI grant C00107300. Gordon Thomson, Murdoch University, is acknowledged for his invaluable technical support and informative discussions relating to the histological and SEM specimen preparation. The authors thank Dr Paul Barber and Dr Treena Burgess for their critical review of the manuscript.