Salem crews will soon begin injecting city-owned ash trees with an insecticide to protect them from the emerald ash borer. Residents with city-owned trees adjacent to their homes will soon be getting ...

HONOLULU (KHON2) — If you see workers injecting coconut palms at parks in Honolulu, don’t be alarmed — it’s part of a preventative treatment to protect the trees from the invasive Coconut Rhinoceros ...

Injecting trees to treat for iron chlorosis is frequently advertised and pushed in our area. Trunk injections are also used to apply pesticides for some insects and diseases.

Camila Van Order González is a reporter for Community News Service, part of the University of Vermont’s Reporting & Documentary Storytelling program. Since the emerald ash borer was first detected in ...