Powdery mildew is a disease common in trees that appears as a white powdery substance on the ... Once dryer weather returns, the fungus usually retreats. It may not be necessary to treat the ...

MONTPELIER, Vt. (WCAX) - Some pine trees in the Green Mountain State are being hit with a fungus that is turning them brown. Vermont forestry officials say white pine needle damage is affecting ...

The fungus can get into the twigs and stems to cause tree-killing cankers. Powdery mildew covers the leaves in a white fungus. “The leaves twist up and basically look very ugly,” said Tom ...

An invasive insect from Europe and the Middle East is attacking several Oregon white oak trees in the ... Beetle” spreads different types of fungus from tree to tree that could cause a disease ...