Do not propagate from infected plants. Destroy crop debris. Botrytis Blight Cuttings rot at their base. Tan spots develop on leaves. Established plants rot at the crown.
Infected tissue is covered with dusty gray fungal growth.
Botrytis cinerea Maintain low humidity by spacing plants and venting to improve air circulation. Remove dead and dying flowers and leaves. To protect healthy plants, apply cupric hydroxide, fludioxonil, mancozeb, copper sulfate, chlorothalonil or vinclozolin. Foliar Nematode Plants are stunted. Excessive red pigment develops in infected leaves.