Abstract
Studies on the ecology of phytopathogenic bacteria are essential for the efficient management of phytobacterial diseases. Tomato (Solanum lycopersicum L.) is one of the most cultivated vegetables in the world and many diseases caused by fungi, viruses and bacteria can reduce its productivity. Bacterial leaf spot is caused by four species of the genus Xanthomonas, with X. perforans (Xap) b…