Systemic Tree Injections

Tree Injections Edmonton

Tree injection, also known as trunk or stem injection, involves injecting pesticides, fertilizers, or plant resistance activators into a tree’s xylem vascular tissue to protect it from pests or provide nutrition to correct nutrient deficiencies.

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Our Process

Arbor Man uses state-of-the-art injecting technology from the ARBORJET Systemic Tree Injection System. In the USA, it has been used effectively for decades as a fast and effective method for controlling tree diseases. Although trunk injections are relatively new to Canada, they have been used in the USA for decades as a fast and effective method for controlling tree diseases. Systemic tree injections are considered a much more environmentally friendly alternative to spraying. Systemic insecticides get injected into the tree’s wood (xylem tissue) under high pressure. It prevents the chemical from spraying into the air and surrounding environment and significantly limits exposure to humans and pets.

Systemic injections can protect the whole tree and provide much better coverage for specific pests that spraying cannot, such as leaf rollers and miners. Treatment involves drilling a few small holes into the tree’s base, the formulation is injected, and an arbour plug is placed to seal the holes. Bark will grow back ultimately over the arbour plug-in in 1-2 years.

Formulations injected into the trunk reach the branches, stems, leaves, and roots. Some insecticide formulations will protect trees for several years with a single injection. The cost of tree injection depends on the site distance, tree diameter, and the number of trees. However, this cost is significantly less than removing and replacing an established tree.

Some commonly treatable tree diseases with systemic injections include:

  • Birch Leaf Miner
  • Aphids
  • Spruce Sawfly
  • Cottony Psyllid
  • European Elm Scale

If you have a tree infected with a disease, contact the Arborists with Arbor Man Tree Care to see if a tree injection is a viable solution to save your tree from being removed. Contact us today with any questions you may have!


TreeAzin Systemic Insecticide

TreeAzin systemic insecticide is a botanical insecticide applied by microinjection into the active sapwood of affected trees. The active ingredient, azadiractin, is derived from the neem tree and is an extract of the neem seeds (not neem oil). TreeAzin effectively controls invasive pests such as the European Elm Scale and Emerald Ash Borer. After it is injected into the tree, it translocates rapidly (within 48 hours) throughout the tree, providing protection immediately.

When ingested by the pest, azadiractin will:

  • Inhibit young larvae from moulting, eventually killing the larvae
  • Decrease female fertility, reducing the amount and vitality of eggs laid
  • Stimulates an antifeedant response
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