New fungus in Wash. killing walnut trees
PROSSER – A new disease is infecting and killing walnut trees in Washington. Symptoms of the disease include a yellowing of leaves, usually at the top of the tree, as well as subsequent die-back of the tree’s larger branches,said Gwen-Alyn Hoheisel, WSU Extension Educator in Benton and Franklin counties. The disease, called Thousand Canker, […]