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Illustration

Hack-and-squirt method. Use a hatchet (a) to make a series of overlapping or frill cuts in the tree bark around the entire circumference of the trunk (b). Immediately apply herbicide into the cuts. This method is best suited to trees at least 4 to 5 inches in diameter.

Illustration adapted and used by permission of Alabama Cooperative Extension System (Alabama A&M Universities)

Statewide IPM Program, Agriculture and Natural Resources, University of California
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For noncommercial purposes only, any Web site may link directly to this page. FOR ALL OTHER USES or more information, read Legal Notices. Unfortunately, we cannot provide individual solutions to specific pest problems. See How to manage pests, or in the U.S., contact your local Cooperative Extension office for assistance. /PMG/PESTNOTES/pni74142-1.html revised: January 10, 2008. Contact webmaster.