In vitro growth of the Quambalaria pitereka isolates isolated from Corymbia calophylla and C. Ficifolia in south western Australia
Ellery, J.A., McComb, J., Shearer, B., Paap, T. and Hardy, G.E.St.J. (2005) In vitro growth of the Quambalaria pitereka isolates isolated from Corymbia calophylla and C. Ficifolia in south western Australia. In: 15th Australasian Plant Pathology Society Conference, 26-29 September 2005 , Geelong, Vic..
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Decline of some C. calophylla populations across the south-west of Western Australia was noted as early as 1940's (1). Current decline causes are considered a complex mix of decreasing rainfall, increasing salinity, insect defoliation, and other environmental stresses including invading pathogens.
Recent disease symptoms including leaf and shoot blight of C. calophylla and C. ficifolia (Fig. I) have lead to this study of Q. pitereka isolated from trees in a wide area of south Western Australia as a possible primary pathogen of canker disease in Corymbia species.
Aims of the study were to measure in vitro growth of isolates from the leaves and stems of C. calophylla and C. ficifolia on different media: V8, Malt Extract Agar (MEA) and Potato Dextrose Agar (PDA); at different temperatures: 15, 20, 25 and 30°C; and under light and dark conditions. Results were reported as μg biomass production at day 15.
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|Murdoch Affiliation:||School of Biological Sciences and Biotechnology|
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