Spring is the time to get Elm Leaf Beetle treatment

September 12, 2012

Pest control

Insecticides that are used by Logical Tree Management for the control of Elm Leaf Beetle are systemic suspension concentrated insecticides.  To the average gardener, this means that when the chemical is either injected into the soil around the base of the tree (soil injection) or directly into the trunk of the tree (trunk injection) the tree trans-locates the chemicals to its leaves where the adult beetles and larvae feed, which in turn kills the feeding insects.

The systemic insecticides used by Logical Tree Management contain the active constituent imidacloprid.  Imidacloprid belongs to a relatively new class of nitromethylene chemicals called chloronicotinyls, which kill insects by blocking nerve impulses.

A major advantage of systemic insecticides is that they are protected from the elements because they remain inside the plants leaves and stems unlike surface applications that are constantly exposed to rainfall, irrigation and sunlight, which contributes to the demise of the insecticide.  Another advantage of systemic insecticides is that the entire plant is protected from insects, grubs and mites, not only the leaves.

The average gardener may not realise that the systemic chemicals used for Elm Leaf Beetle control are broad spectrum and can be used for many types of insects that suck sap or chew leaves.

Insects that can also be controlled with the same insecticide include common pests such as aphids, scales, lerp, saw flies, mealy bugs, spider mites and most types of insect pests that either chew or suck sap from leaves.

Logical Tree Management use Merit® and SilvaShield® in their injection systems.

SilvaShield® is the only registered trunk injectable systemic insecticide in Australia. The unique formulation enhances systemic uptake and distribution of imidacloprid in the tree allowing much lower rates of active ingredient compared to alternative application methods such as soil injection. A single treatment can provide extended protection against various

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insect pests with minimal impact on non-target organisms.

Merit® does not accumulate in the environment and is not carcinogenic, teratogenic or mutagenic. All pesticides are regulated under the Agricultural and Veterinary Chemicals Act to ensure that they do not pose an unacceptable risk to human health and the environment.

For information regarding pesticide regulatory process please visit the Australian Pesticides and Veterinary Medicines Authority website at www.apvma.gov.au

Read more about ELB life cycles, or you can contact us to book a treatment by filling out the form here.


About Stephen

Stephen is the Manager Consulting and a Director of Tree Logic

View all posts by Stephen

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