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When selecting and using herbicide products of any kind, be sure to rotate the sites of action and Turfgrass managers should also be diligent about always follow the label in order to prevent herbimonitoring soil temperature and moisture in order cide resistance and get the most out of your herbito better predict emergence patterns. Findings cide program. It is important to remember that from this study at completion should go a long strong integrated weed management programs that way toward better understanding the role of envi- encompass diverse management tactics, including ronmental variables in stimulating annual bluea focus on enhancing turfgrass competitiveness, grass emergence. are vital for sustainable management of annual Adopting strong preventative control measures is bluegrass while reducing the risk of resistance decritical as dense populations of established annual velopment. bluegrass can lead to difficult and costly postemergence control programs, such as multiple Funding - This project was funded by the USDApostemergence herbicide application or diligent NIFA Specialty Crops Research Initiative (SCRI) and intensive hand weeding. If preemergence program (award #: 2018-51181-28436). herbicide applications are timed properly, annual bluegrass pressure could be greatly reduced, pre- About the Authors - Andrew Osburn is a PhD serving aesthetic value and reducing the need for student in the Department of Crop and Soil Scirestorative measures in the spring. Additionally, ences at Texas A&M University in College Station. appropriate selection and utilization of Dr. Becky Bowling is an Assistant Professor and preemergence herbicide applications could be an Extension Specialist with Texas A&M AgriLife in effective method for depleting a robust annual Dallas, and Dr. Muthu Bagavathiannan is an Asbluegrass seedbank, reducing further seedbank in- sociate Professor of Weed Science and Agronomy puts, and future seedling emergence. in the Dept. of Soil and Crop Sciences at Texas A&M in College Station.
