A carrot disease that coincides with warm temperatures close to harvest is called carrot southern blight. What is southern blight on carrots? Read on to learn how to identify carrots with southern blight and if there are any methods of southern blight carrot control. What is Southern Blight on Carrots? Carrot southern blight is a fungus (Sclerotium rolfsii) that is associated with warm temperatures following heavy rains. While a fairly minor disease in the home garden, s
