Abstract
During the last three years leaf spot and blight symptoms were noticed on pepper transplants grown in plastic houses. From the diseased tissue plant pathogenic bacteria were isolated. Twelve investigated strains induced hypersensitive response in tobacco leaves and necrotic spots on inoculated pepper transplants. They caused necrosis on pepper, tomato, cherry and lemon fruits, bean pods and peach shoot tissues.Bacterial cells of our strains are gram-negative, rod-shaped, motile, with polar flagellation. They produce fluorescent pigment on King’s medium B and utilise glucose oxidativeiy; produce levan but no oxidase, protopectinase and arginindihidrolase; growth at 41°C, starch hydrolysis, nitrate reduction, L(+) tartrate utilisation and acid production in trehalose are negative while gelatin hydrolysis and acid production in glucose and sucrose positive.Regarding those results we identified bacterium Pseudomonas syringae pv. syringae van Hall as a pathogen of pepper transplants.
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