Dr. John Ball provides information about how to identify a tree infested with Emerald Ash Borer. Dr. Ball is Professor, SDSU Extension Forestry Specialist & South Dakota Department of Agriculture Forest Health Specialist and SDSU Agronomy, Horticulture and Plant Science Department. His extensive experience with trees of this region is an asset for helping those with ash trees decide insecticide management options.
For Dr. Ball’s Insecticide management options for ash trees, please go to this link:
http://igrow.org/gardens/trees-and-forests/emerald-ash-borer-insecticide-management-options/
Plant Exchange Blog 