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The nutrient requirements of tuart

Dell, B., Barber, P., Eslick, H., Scott, P. and Calver, M.ORCID: 0000-0001-9082-2902 (2006) The nutrient requirements of tuart. Tuart Bulletin, 9 . pp. 1-2.

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Over the last 10 years, tuart trees in the Yalgorup region of south-western Australia have been undergoing an alarming period of decline and dieback. Research into the cause of the decline indicates the possible involvement of a complex disease syndrome involving a number of unknown factors contributing to the overall reduction in health. Factors affecting nutrient supply and availability have been suggested as playing a role in the decline. Tuart belongs to the largest Eucalyptus subgenus Symphyomyrtus but is taxonomically distinct, having no close relatives and thus forming a monospecific section (Ruthrof et al. 2002). The Symphyomyrtus species has a greater demand for calcium, magnesium, and probably potassium whereas Monocalyptus has a greater demand for magnesium. Such differences must have a physiological basis but as yet no explanation has been offered (Judd et al. 1996). The nutrient status of tuart has been largely unknown, creating a gap in our knowledge in the role of nutrient supply to healthy tuart trees. Therefore, there has been an obvious need to investigate the current nutrient status of both healthy and declining tuart in native plant communities along the Swan Coastal Plain and further determine the role of particular macro and/or micronutrients in the decline.

Item Type: Others
Murdoch Affiliation(s): Centre of Excellence for Climate Change and Forest and Woodland Health
School of Biological Sciences and Biotechnology
Publisher: Tuart Health Research Group, Murdoch University
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