A new report on the state of health of Oregon’s forests shows that drought, insect pests and tree diseases continue to be the ...

Japanese cherries are prone to disease, including a fungal infection ... among the heart-lifting displays of crabapple trees and magnolias. Sargent’s cherry has showy pink flowers in early ...

The critical question is whether this particular tree looks different from how it did in other years, when you know it was healthy. Some tree symptoms may be caused by diseases or pests ...

When inspecting your tree, look for spots, blotches, stripes, off-colors and warped textures in its leaves. While a small amount of foliar disease usually doesn’t require treatment, trees ...

The tree died after being infected by Dutch elm disease, a fungus that can kill trees. High foot traffic and a drought last fall added to the elm's stress. “Dog Beach is an off-leash area ...

The team's findings raise new concerns about the disease's potential to spread beyond North America. Researchers hope that these cellular-level insights can help tree health experts better ...

“Just in the last few days, the agency started receiving calls, and the disease seems to be infecting trees with greater severity in west Alabama,” AFC Forest Health Coordinator Drew Metzler said.

A city's tree inoculation programme to tackle the spread of elm disease will begin in May, the council says. The annual project will this year see about 1,400 elm trees in Brighton and Hove ...

aiming to protect these trees from elm disease for a year. The programme, now in its third year, will be expanded to include more trees within the city's parks. The inoculation process ...