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 ...

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.

Kris Dullmer of Ash Tree Solutions, right, injects an insecticide into an ash tree named Big Jim in the Catamount Community Forest to combat the emerald ash borer in Williston on Tuesday, June 25.

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 ...

Arborist Greg Ranallo and one of the ash trees he has recently treated against the emerald ash borer in Shelburne on Friday, July 19. Ranallo favors treating the trees to curb the spread of the ...