Excessively wet, cold and poorly drained soils contribute to occurrence of this disease. Use label directions. Apply Ridomil 2E at planting time using label directions where Pythium has been a continuous problem. Root Knot Nematodes Root knot nematodes can become a serious problem in sandy soils, causing reduced yield. Plants are usually stunted, yellow and sickly looking.
Large knots form on the root system.
Fumigate plant beds before planting with Telone II using label directions. The fungus Sclerotinia sclerotiorum affects the stems, leaves and pods of beans. The fungus also affects lettuce, carrots, parsnips, cabbage, crucifers and cucurbits. This fungus has become a problem in the northwest part of the state. The first signs of infection are small, soft, watery spots that enlarge rapidly under cool, moist conditions.