1 - 10 of 16 articles
Eleven fungicides, benomyl, bitertanol, captan, carbendazim, mancozeb, procymidone, propiconazole, tebuconazole, thiram, triadimenol and tridemorph, were tested in vitro at 50 and 10 mg a.i./L for their effects on the macroconidial germination of Claviceps africana, the sorghum ergot pathogen....
In a series of growth cabinet, glasshouse and field experiments, tissue samples from living clonal Eucalyptus marginata (jarřah) were incubated immediately after sampling on agar (NARPH) selective for Phytophthora. Phytophthora cinnamomi was recovered 3–6 months after inoculation from 50% of...
Black Sigatoka was confirmed, using the polymerase chain reaction, on banana plants from far north Queensland in Australia, Papua (formerly Irian Jaya) in Indonesia, and nearby regions of Papua New Guinea.
Competition was assessed between aggressive and non-aggressive strains of Botrytis cinerea on French bean (Phaseolus vulgaris) leaves by inoculating strains simultaneously and sequentially (6, 12 or 24 h later). The lesions produced when an aggressive strain (forming large lesions) and a...
The Phyllachora shiraiana complex is a group of weak pathogens on the bambusoid genera Arundinaria: Bambusa. Sasa and Schizostachyum; until now this group has not been reported in Australia. In this paper we provide the first record of this complex on the endemic bamboo, Bambusa arnhemica, from...
Citrus huanglongbing (greening), substantiated using polymerase chain reaction, is reported from Irian Jaya but it was not detected in Papua New Guinea or north Queensland.
Stemphylium vesicarium was isolated from lesions on garlic (Allium sativum) leaves showing purple leaf blotch symptoms in commercial garlic farms at Tenterfield, New South Wales in 1994 and at Waikerie, South Australia in 1997 where an epidemic occurred. This is the first record of S. vesicarium...
Cuttings of the Wollemi Pine, Wollemia nobilis, were inoculated with Phytophthora cinnamomi, Botyosphaeria sp., Rhizoctonia sp., Fusarium oxysporum and F. solani. P. cinnamomi and the Botyosphaeria sp. were pathogenic causing plant death over a period of up to 5 weeks. None of the other fungi...
The smut fungi on Saccharum and the related genera Erianthus, Imperata and Miscanthus, have been studied. On this group of grasses, 11 species of smut fungi are recognised including Sporisorium masseeanum sp. nov., described on Miscanthus capensis. Fourteen synonyms are proposed, including:...
Rice tungro bacilliform virus is identified for the first time in Papua. The quarantine implications to Australia of this record are discussed.
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