Botrytis Crown Rot

Symptoms include a water-soaked, brownish-gray to brownish-orange, soft wet rot that occurs on the oldest leaves in contact with the soil. These old leaves are often damaged or senescent and are therefore particularly susceptible. From these leaves, the pathogen moves into the healthy parts of the lettuce plant and causes a decay of the crown. A characteristic fuzzy gray to brown growth covers diseased areas, especially basal leaf and crown tissue that is shaded and protected from drying by over