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Phosphite: its phytotoxicity and effectiveness in the protection of Eucalyptus marginata forest from Phytophthora cinnamomi
Conference paper   Open access

Phosphite: its phytotoxicity and effectiveness in the protection of Eucalyptus marginata forest from Phytophthora cinnamomi

R.A. Bennallick, I.J. Colquhoun, B.L. Shearer and G.E.St.J. Hardy
British Society for Plant Pathology
7th International Congress of Plant Pathology (Edinburgh, 09/08/1998–16/08/1998)
1998
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Abstract

Recent trials conducted by the Western Australian Department of Conservation and Land Management have shown that phosphite protects trees in E. marginata forest from P. cinnamomi. However, phytotoxicity has been observed in some plant species, and phytotoxic concentrations of phosphite have increased the susceptibility of Banksia coccinea to P. cinnamomi. The aim of this project was to examine the effect of phosphite concentration on phytotoxicity and on colonisation by P. cinnamomi in three understorey species of the E. marginata forest.

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