Abstract

The Authors report on a serious bacterial spot of greenhouse tomato found in Sardinia (Italy) on last years. The symptomatology, epidemlology and inducing factors are described, as well as the results of pathogenicity test. The causal agent has been isolated in pure culture and identified by means of morfological, cultural, biochemical, and serological characters as Pseudomonas syringae van Hall. Furthermore, methods of dlsease preventlon and control are brlefly exposed.

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