Quest Pentra-Bark Bark Penetrating Surfactant
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PENTRA-BARK® from Quest Products is a unique patent pending surfactant application for treatment of trees and plants. PENTRA-BARK® has been specifically designed for use on herbaceous woody plant surfaces with fungicides, insecticides, plant growth regulators and micro-nutrients.
PENTRA-BARK’s new technology facilitates “non-invasive treatment” of trees and woody plants with systemic pesticides/nutrients. Conventional treatment methods utilizing labor intensive drilling, injection of root flare, and high pressure deep root injection of pesticides for soil saturation is eliminated. The liability of chemical trespass with foliar application is also eliminated.
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How does PENTRA-BARK work?
All woody plants have microscopic openings in the exterior protective bark periderm layer called lenticels. These lenticels are functionally used for plant transpiration and pressure regulation. Lenticels connect directly to the plant’s annual spiral openings or vascular metabolic transport system contained in the plant’s cambial phelloderm. When PENTRA-BARK is applied to the woody bark periderm in combination with systemic pesticides it opens the lenticels and enables movement through the lenticels into the plant’s vascular transport system.
- Easy Effective application
- No drift or chemical trespass
- Proven effective with various pestidices
- Effective with Admire ® spray equipment
- The only tested and University proven Bark Penetrating Surfactant



