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Effects of Lawn Herbicides on Landscape Trees and Shrubs

This presentation is geared toward certified arborists, landscapers, master gardeners, and home gardeners that commonly use phenoxy herbicides for lawn weed control. This particular presentation focuses on the potential for phenoxy herbicides to affect non-target trees and woody ornamentals in landscape settings due to poor application choices by professionals. This is an issue that is commonly encountered in the landscape and arboriculture industry, as seen by numerous plant samples submitted to local Extension offices diagnosed with phenoxy herbicide injury. One focus of the training details a case study example showing the potential for tree injury from root absorption of phenoxy herbicides and highlighting possible liability if not used appropriately. The purpose of this presentation is to raise awareness in the industry about this important issue and provide practical tips on avoiding potential damage and liability.
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