Cercospora leafspot of Cabbage
Cercospora brassicae
White leaf spot is a disease caused by the fungal pathogen Cercospora brassicicola. The fungus thrives in warm, humid conditions. It is often caused by diseased seeds or planting materials and promoted by poor air flow, low sunlight, overcrowding, improper soil nutrient and irrigation management and poor soil drainage.
Symptoms. Initial infection appears as tan or light brown spots. Spots soon coalesce and may drop out. Could be confused with spray burn.
