Tree Logic Arboricultural Consultants

The long-awaited release of the newly registered Bayer SilvaShield® Injectable Tree Insecticide has arrived. Current practice has many applicators using non-registered products such as Confidor® to undertake trunk injections.  Confidor was formulated as a soil drench and while some control may be achieved, there are chemicals in Confidor that actually inhibit uptake through the tree’s [...]

The long-awaited release of the newly registered Bayer SilvaShield® Injectable Tree Insecticide is likely to occur any day now according to company sources. This new product will be the only bulk liquid trunk injectable insecticide available for use in Australia and will mean that applicators will be able to access a registered product to offer [...]

A recent letter from Peter has been answered by Stephen Frank at Tree Logic and so we include here as advise to those with similar problems. Hi My name is Peter I have a problem with my maple tree in the back yard. Can you help me with a grub that seems to be eating [...]

Coconut Whitefly (Aleurodicus destructor) It will certainly not be difficult to identify this pest as the larval and pupal stages of this insect produce long glass-like or filamentous white rods that look like hardened cotton threads which can be up to 2-3 cm long on the underside of the leaves. This sap-sucker is a major [...]

Possums general Many Australians share their homes and landscapes with possums because like people, possums are well suited to living in the suburbs. However, at times this contact can be noisy and messy – particularly if the possum takes up residence in the roof of your house or over-grazes a prized plant in the garden. [...]