Soil Systemic Insecticides

By: Jeffrey P. Hagfors, Certified Arborist WI-0181A

Winter 2008 Newsletter in Adobe PDF format The benefits of using soil applied systemic insecticides.

The use of insecticides is often necessary to maintain tree health and protect your valuable landscape trees and shrubs from insect attack. The proper administration of insecticides largely depends on the insect that is targeted and its host plant. Insecticides are most commonly applied through a spray application or a soil injection. Soil injected insecticides have systemic qualities – the material is administered into the soil and is absorbed by the roots, then distributed throughout the entire tree via the tree’s own vascular (circulatory) system. Soil systemic insecticides are used to treat a wide variety of tree-related insect problems. They are not a cure-all, but when properly mixed, dosed, and applied, they offer an environmentally favorable alternative to the more common foliar application of insecticides.

Benefits of soil systemic insecticides

  • Affect only targeted insects and will not harm beneficial insects
  • Can be applied in a wider variety of weather conditions
  • Many are fast-acting, offering immediate protection
  • Many have a long duration in the tree, offering greater protection
  • No drift or runoff
  • Can be used on large trees that may be difficult to spray
  • Inexpensive
  • Safer to use, mix and apply than sprays
  • Wider timeframe for making effective applications

Some uses of soil systemic insecticides

  • Combat and deter many wood-boring insects
  • Control leafhoppers, leaf miners and aphids
  • Manage scale insects
  • Manage Japanese beetles

Not all soil systemic insecticides are the same. Some act quicker than others; some last longer. At Wachtel Tree Science and Service, we have been using soil systemic insecticides for over 20 years. We know the difference – what works best, and what doesn’t work at all. You can trust your Wachtel Certified Arborist to help you decide which soil systemic insecticide offers the best protection for your valuable trees and shrubs. Call the leader in tree science. Call Wachtel.

© Copyright 2008 – Wachtel Tree Science & Service, Inc.

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