Lirula needle cast Photo: Chad Behrendt Lirula needle cast is caused by the fungus Lirula macrospora. This disease can be found on white and Colorado blue spruce. ... on the terminal ends of the branc

This article was published originally on 2/6/2008 Byline: By Christine Engelbrecht, Plant and Insect Diagnostic Clinic Two possible new diseases of spruce have been seen in the Plant and Insect Di