Kemmitt, G. 2002. Early blight of potato and tomato. The Plant Health Instructor. DOI: 10.1094/PHI-I-2002-0809-01

DISEASE:  Early blight

PATHOGEN:  Alternaria solani

HOSTS: Tomato (Lycopersicon esculentum),
                 Potato (Solanum tuberosum)

Author
Greg Kemmitt,
Dow AgroSciences

Alternaria solani on tomato foliage.
(Courtesy W.R. Stevenson)