Xantomonas is a large genus of Gram negative bacteria that cause disease in hundreds of plant hosts, including many economically important crops. Xanthomonas spp. can cause bacterial spots and blights of leaves, stems and fruits on a wide variety of plant species. Xanthomonas species can easily spread in water, movement of infected materials like seed or propagation plants and by mechanical means like infected pruning tools upon contact with a susceptible host, ...