Bacterial blight (Angular leaf spot) | Cotton

HOST:Cotton

HOST (LATIN):Gossypium barbadense

PATHOGEN:Xanthomonas citri subsp. malvacearum

SYNONYM:Xanthomonas campestris pv. malvacearum

SOURCE:APS

Highly susceptible (left) and resistant (right) cotton cultivars. The black arm stage of the disease is the most serious and occurs when bacteria invade petioles and then stems.