SCLEROTINIA CROWN AND STEM ROT

Description: Soft mushy stems with masses of cottony growth are clear signs of Sclerotinia crown and stem rot. Hard, black sclerotia, 1/8 to 1/4 inch in diameter form on diseased stems and crowns.
Location: The disease occurs throughout Ohio, but is most common in late summer (August) seedings, especially when minimum tillage methods are used.
Time of Attack: Infection by Sclerotinia takes place in the fall. Plants die throughout the winter and spring, with symptoms most conspicuous in April and early May. Symptoms are rarely seen after the first harvest.
Management:
· Early August or spring planting
· Till problem field before planting