Pests and eastern blue gums in the Manawatu

Millner, James
November 2006
New Zealand Tree Grower;Nov2006, Vol. 27 Issue 4, p19
The article offers information on pests and eastern blue gums in Manawatu, New Zealand. The introduction of new eucalypt pests in the country has caused a number of farm foresters to abandon species which are particularly vulnerable to the pests. One of the routine problems encountered by farm foresters is possum browsing. Some of the damages caused by possum browsing are defoliation and poor tree form. On the other hand, Ophelimus leaf galls result from wasps laying single eggs in young leaves. Other pests which target the eastern blue gums have contributed to the poor vigor and tree form of these species.


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