Karen Rane, Plant Disease Diagnostician, Botany & Plant Pathology, Purdue University
Several species of the plant pathogenic fungus Fusarium can cause spots
rot of pumpkin fruit. Symptoms range from small, pitted, corky spots to
large, sunken areas covered with a white or gray mold (Figure 1).
species are common soil inhabitants, but the conditions that induce
rot symptoms are unknown. Fungicide applications are not effective in
controlling this disease.
Recent work at the Ohio State University by Dr. Max Reidel and his
Andy Wyenandt indicates that planting pumpkins into a cover crop may
reduce the incidence of Fusarium rot, by keeping the fruit
coming in contact with the soil. For more information on this research,
the Ohioline newsletter article at the following website:
Lesions on pumpkin fruit caused by a Fusarium species
Back to top of page | Past Pictures of the Week Index