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Stalk Breakage and Rot Caused by Physoderma in Iowa

September 20, 2013
Physoderma stalk breakage

By Alison Robertson, Daren Mueller, Erika Salaau-Rojas and Gary Munkvold, Department of Plant Pathology and Microbiology


An unusual disease has been reported in several fields in southwest and western Iowa over the past couple of weeks. Several samples were received in the Plant Disease and Insect Clinic and pathologists from ISU Extension and Outreach visited a field in Adair County.


Symptoms and signs of the disease


Crop: