Information on emergent insect associated tree diseases including epidemiological studies of drippy blight disease of oak and thousand cankers disease of walnut
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Two emergent disease complexes called drippy blight and thousand cankers have become injurious to hardwood trees in communities across the urban corridor of Colorado. In order to better understand these disease complexes, studies were initiated to identify the causal agents, symptomology, and epidemiology of drippy blight disease as well as determine if multiple fungi were involved in thousand cankers disease. Chapter I, published in the Journal of Arboriculture and Urban Forestry, provides information on the basic biology of drippy blight disease. This article explains the signs and symptoms ...