Glenn W. Peterson1 1Plant pathologist, Rocky Mountain Forest and Range Experiment Station. Forest Service. U.S. Department of Agriculture, Lincoln, Nebr. The fungus Diplodia pinea (Desm.) Kickx is

Hosts: 2- and 3-needle pines, especially ponderosa pine Quick ID: Stunted, discolored needles Needles attached to branch through winter, usually in clusters Shoots bent or curled Cankers o

This article was published originally on 3/9/2005 Byline: by Christine Engelbrecht, Department of Plant Pathology Diplodia tip blight is a common fungal disease of Austrian pine, although Scots, m

Description This disease is caused by the fungus Sphaeropsis sapinea. The blight occurs on many pines and some other conifers. Symptoms The fungus attacks young, healthy, unwounded needles of new

Sphaeropsis blight, previously known as Diplodia tipblight or dieback, is a major worldwide disease of pines, particularly of 2- and 3-needle pines in the United States from the East Coast to the Grea