Bacterial canker caused by Clavibacter michiganensis on field-grown tomato in the Peninsula of Baja California, Mexico.
Ramón Jaime Holguín-PeñaCentro de Investigaciones Biologicas del Noroeste, S.C., Mar Bermejo No. 195, Col. Playa Palo de Santa Rita. Apdo.Postal 128; La Paz, BCS 23090, México.Email: email@example.com
Advanced symptoms of Clavibacter infection in field-grown tomato appears as severe cankers on stem and dark brown-to-black lesions on leaf margins. Also, symptomatic plants show reddish-brown cavities in the stems and internal discoloration of vascular tissue. This pathogen is included on the quarantine list as a risky pest according the Mexican laws (SAGARPA). Occurrence of bacterial canker disease in San Quintin Valley is relevant because the potential spread of the pathogen by introduced tomato seedling represents a permanent risk to pathogen-free areas in the Peninsula of Baja California.
APS publication number: IW000086
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