English walnut trees throughout Utah Valley have poor leaf-out and bare branches. Not all the branches that look dead are dead. Give the trees good care, remove branches that are truly dead, and give ...

After finding a tree infected with Thousand Cankers disease in Plumstead Township, officials have quarantined wood from walnut trees in Bucks County. The nasty-sounding disease occurs when walnut twig ...

WEST LAFAYETTE, Ind. - Researchers from Purdue and Colorado State universities have discovered that the fungus responsible for thousand cankers disease, a lethal affliction of walnut trees and related ...

Add Yahoo as a preferred source to see more of our stories on Google. Trees produce antibodies against harmful fungi. But bark beetles absorb these antibodies and use them to their own advantage. And ...

Bark beetles are dark flying insects about the size of a grain of rice that leave tiny holes in the bark and branches of trees. Their very small grubs feed voraciously on the inner bark of trees that ...