New Threat to Iowa Trees - Thousand Cankers Disease of Black Walnut
Byline:
By Mark Gleason, Department of Plant Pathology
Year of Publication: 2009 Issue: IC-500(19) -- November 11, 2009
Apple Bitter Rot
Byline:
By Fanny Iriarte, Plant and Insect Diagnostic Clinic
Bitter rot was found on river apples from Winneshiek County, Iowa last September. Infection was caused by the conidial type of the fungus Colletotrichum gleosporioides. Year of Publication: 2009 Issue: IC-500(19) -- November 11, 2009
Phomopsis Cane and Leaf Spot of Grape
Byline:
By Fanny Iriarte, ISU Plant and Insect Diagnostic Clinic
Phomopsis cane and leaf spot of grape was diagnosed on a grape sample from Polk County after chemical injury was suspected. The disease Year of Publication: 2009 Issue: IC-500(17) -- September 30, 2009