A 1960 study of the Fallbrook, California area correlated higher levels of avocado root rot to soils with poorer drainage and greater clay content.
The island is being used as a translocation site for the endangered heath Epacris stuartii, which is threatened in its nearby natural habitat by Cinnamon Fungus.
Visitors are encouraged to stay on the footpath so as to minimise the spread of dieback which is a threat to the native plants of the area.
Phytophthora cinnamomi | Phytophthora | Phytophthora infestans | ''Phytophthora'' taxon Agathis |
A branch canker caused by species of Fusicoccum, including F. aesculi, causes some mortality, and root and crown rot caused by Phytophthora cinnamomi has destroyed entire stands of the manzanita and prevented its regrowth in patches of infested soil.