Success StoryPreemergence Herbicides in Kentucky’s Climate



Preemergence Herbicides in Kentucky’s Climate

Author: Kenneth Clayton

Planning Unit: Plant and Soil Sciences

Major Program: Horticulture, Consumer and Home

Outcome: Initial Outcome

Kentucky is located in the transition zone, and our growing seasons are not always predictable, which can lead to misapplications of common preemergence herbicides either too early because of a cold spring or too late because of an early warm up.  Applications of preemergence herbicides at the wrong time can lead to loss of acceptable weed control, waste of time and money, and the need for additional inputs through post emergence herbicides that would not otherwise be needed.  Because of the importance of choosing the right herbicides and applying them at appropriate times it is crucial to have this information available in a brief and easy to understand document for stakeholders. Jason Vaughn (ANR Powell County), Beth Wilson  (Hort. Pulaski County), and myself published a short fact sheet title “Preemergence Herbicides for Kentucky Lawns” (AGR-272) to meet this need. Before this publication there was not a short document that agents could provide stakeholders with in the state.  This new publication has the potential to reduce inputs in turfgrass systems across the state as well as prove helpful to extension agents who are often faced with providing accurate and timely information each year on this subject.






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