Clavibacter michiganensis is a bacterium (belonging to the phylum Actinobacteria) with multiple subspecies that cause disease in tomatoes, potatoes, bell pepper, wheat, alfafa, and beans
Our first Pathogen Profile is on Pythium as it is the most common pathogen that our growers have expressed concern about. This does not come as a surprise because Pythium is ubiquitous and known to cause root rot in a variety of greenhouse hydroponic crops.