Carrot leaf blights are caused by two fungal pathogens, Alternaria dauci and Cercospora carotae and one bacterial pathogen, Xanthomonas campestris pv. carotae.  Since any combination of the three pathogens may occur in a field, proper identification is important for employing the proper management strategies.  For the two fungal pathogens, a 25% disease incidence level (25% … Continue reading Carrot Leaf Blight Diseases and their Management