Cercospora Leaf Blight

Cercospora blight can occur on any above ground carrot tissue. Symptoms appear as small, circular, tan to brown lesions, and curled leaf margins. The tan to brown lesions initially surrounded by a chlorotic halo often enlarge into brown necrotic spots. As the disease progresses, the leaflets become yellowed and curl at the margins. Lesions on leaf petioles, stems, and flower parts are usually elliptical and dark brown. Under heavy disease pressure, severe loss of foliage may occur eventually lea