Diverse responses of LETTUCE cultivars and germplasm lines to infections of three isolates of Xanthomonas campestris pv. vitians - Diversas respuestas de cultivares y líneas de germoplasma de LECHUGA a infecciones de tres aislamientos de Xanthomonas campestris pv. vitians

Bacterial leaf spot (BLS) disease, caused by Xanthomonas campestris pv. vitians (Xcv) has become an increasingly damaging disease in the lettuce production areas of the United States. 

To understand the nature of the outbreaks of this disease, the pathogenic variations for causing disease were evaluated by HortScience on 29 lettuce cultivars and germplasm lines using three Xcv isolates recovered in different years from the Everglades Agriculture Area (EAA) of Florida.

Significant differences were shown in both the BLS incidences and disease severities among the three Xcv isolates, and the rank from high virulence to less severity was L7 > JF196 > NF1.

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Source: www.hortdaily.com