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"There are a lot of people that do a foliar treatment with a Pyrethroid to control aphids. Although this will help control the aphids, it has a down side, as an application of a non-selective foliar insecticide will also kill any beneficial insects that are present."
Pesticides and Turf: W 22 LC DBM
Expert Q&A; with William Harrison of Target Specialty Products Staff Report
illiam Harrison currently holds the reigns as Target Specialty Products Business Manager for the professional vegetation management market. Harrison is responsible for coordinating and managing all of Target's activities within this market. Prior to becoming a business manager, he was a field representative in the Southern California area. Before joining Target five years ago, he was an in-house consultant for a corporate farming operation, and managed an agricultural pest control business. He is an adjunct professor for California State Polytechnic University, Pomona, teaching industry-related courses. Harrison has been a licensed pest control advisor for more than 20 years. He also holds a certified arborist and crop advisor license.
The editors at Landscape Contractor/DBM sat down with Harrision recently to get his views on turfgrass pesticide use, and the state of the industry.
Q: How long have you been in the pesticide industry? A: I have been doing weed control on one level or another for more than 30 years - from spraying to consulting.
Q: What is the strangest thing you have seen in your career
concerning weeds or pests? A: I have witnessed more than one person spraying various land- scape shrubs and hedges with Roundup to kill the weeds growing among them.
They thought they could kill the weeds and not hurt the landscape plants.
Q: What is the best treatment for crabgrass and goose
grass? A: With the loss of MSMA (see sidebar), crabgrass and goose grass are going to be major challenges for turf managers. The only way to be truly effective in keeping these weeds at bay is to use an effec- tive pre-emergent herbicide. With limited post emergent materials