Health issues with eucalpyts

Hocking, Denis
November 2006
New Zealand Tree Grower;Nov2006, Vol. 27 Issue 4, p20
The article focuses on health issues with eucalypts. These health issues fall into three primary categories, namely insect pests, foliar disease, and rood diseases caused by fungi and Phytophthora species. Different eucalypt species vary in their susceptibility to insect pests and diseases and their susceptibilities tend to parallel the accepted taxonomic divisions of the Eucalyptus genus. Of the seven Eucalyptus subgenera, two are specially important in New Zealand forestry, Symphymyrtus and Monocalyptus. The problem in the country is that insect pests have the tendency to arrive without biological control agents. For a grower, the best way of defense is to avoid growing very susceptible or high risk species of eucalypts.


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