Trenching as a Root-Graft Disruption Treatment for Oak Wilt
Most arborists are familiar with oak-wilt (Ceratocystis fagacearum) ) symptoms and management guidelines. Oak wilt is a fungal vascular disease that is spread through root grafts or by nitidulid beetles carrying fungal spores from an infected oak to an open wound on another oak. Oak wilt affects all oak species, but because oak wilt affects […]
Use Your Head(ing) Cut to Delay Decay
One of the most common shortcomings of urban tree management worldwide is the failure to remove select branches in a timely manner throughout the lifetime of a tree. This has many important impacts on management and safety, including: • contributing to poor structure (such as codominant stems or multiple attachments (Photo 1); • being a […]
Spotted Lanternfly Updates – Feeding, Hosts, Damage and Controls
By now, most arborists have heard of spotted lanternfly (SLF), yet another pest from Asia recently arrived to our country that is creating economic and environmental problems in the eastern United States. First detected in Berks County, Pennsylvania, in 2014, SLF is not a fl y at all. Spotted lanternfly belongs to a group of […]