Abstract
MundullaYellows (MY) is a dieback disorder of Eucalyptus and other native Australian plants in the south-east of South Australia. Recent attempts to find a causal biotic agent have failed. The history of trace element deficiencies in the area and recent work suggest that a strong association of MY with abiotic soil factors is likely. Because lime chlorosis and trace element deficiencies are involved, the MY situation is complicated to explain. This paper attempts to clarify the situation and explain why the symptoms of MY are actually the symptoms of a lime-induced chlorosis.
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