A preliminary survey of pests and diseases associated with subtropical eucalypt plantations in Southern Queensland
Whyte, G., Barber, P., Hardy, G. and Burgess, T. (2004) A preliminary survey of pests and diseases associated with subtropical eucalypt plantations in Southern Queensland. In: IV Asia-Pacific Mycological Congress & The IX International Marine and Freshwater Mycology Symposium, 14 - 19 November, Chiang Mai Thailand.
The eucalypt plantation industry in Queensland is in its infancy with most plantations being less than five years old. The climate in southeast Queensland is subtropical and characterised by high temperature, humidity and with high summer rainfall. Native forests in the region contain a large diversity of insects and fungi associated with native eucalyptus species, Southern Queensland is recovering from five years of drought. The lack of rainfall has caused trees to become stressed in many plantations. Stress not only reduces growth rates but also appears to increase the incidence of some pathogenic fungi and insect pests. Surveys of the incidence of pests and diseases of eucalypt plantations began late in the year of 2003 and continued into 2004. These surveys have involved the collection and identification of insects and fungi associated with foliage and stems. Many different species have been collected and identified, some of these are first records on eucalypts and others are newly described species. As the plantation estate in southern Queensland grows, the chance event of suffering great losses due to the impact of a single species of fungus or insect also increases. It is therefore important that good management strategies are developed using of a sound knowledge of the ecology of pests and diseases of the region. Results of these surveys• should provide information that will enable Queensland foresters to implement better site selection and other silvicultural practises.
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|Murdoch Affiliation:||School of Biological Sciences and Biotechnology|
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