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Biological control of serrated tussock
A beef farmer in NSW and a sheep farmer in Tasmania have each experienced dieback of serrated tussock populations without herbicide application. A detailed host specificity trial using a pathogen identified from these infestations failed to have a significant impact on serrated tussock survival. A follow-up pot trial using leaf pieces from field collected infected plants did result in significant serrated tussock die-back. Identification of high populations of root feeding nematodes at the NSW site suggests a possible relationship between root damage and soil pathogen effects requiring further investigation as a potential biological control solution for serrated tussock.
This page was last updated on 24/07/2017
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