In the spring of 2006 and 2007, grafted and nongrafted tomato plants (scion cv. Cuore di Bue, rootstock Lycopersicon lycopersicum × L. hirsutum cv. Beaufort) displaying stem and petiole necrosis were observed in many commercial greenhouses in the Piedmont of northern Italy. Initial symptoms that
In 2003, symptoms of generalized chlorosis as well as necrosis in leaves and tendrils were observed in Pisum sativum L. cv Tirabeque grown in green fields in southeastern Spain (Granada Province), and by 2004, the disease affected approximately 12 ha. Bacteria isolated from symptomatic samples were
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