First reported in 1897. It is widely distributed in the south central corn belt. Sweet corn is more susceptible than field corn. Other hosts include teosinte and eastern gammagrass. It is transmitted by feeding activity.
Young plants undergo systemic infection resulting in stunting and leaf streaking.
Feb. If the sum is greater than 37 C then their is potential fo r severe disease. If sum of temps is less than 32 C, then little disease will occur. First reported in Nebraska 1969. Also known as Clavibacter nebraskense Symptoms and Disease Cycle Pathogen overwinters on infected debris. Seedlings may become systemically infected, resulting in wilting, discolored vascular tissue.