Just think about the amount of tree energy expended to seal over pruning cuts and compartmentalize rot and decay within the boles of our urban trees.  University of Illinois Extension Horticulture Educator, Ryan Pankau, will review the processes at play when trees perform the amazing feat of blocking pathogens with their natural defense mechanisms.

You register to view this webinar at home. This webinar will also be hosted at our Jackson County Extension office at 402 Ava Rd., Murphysboro, IL. If you want to attend in-person, please call (618) 687-1727.