Characterization ofXanthomonas campestrisStrains from Aroids Using Physiological, Pathological, and Fatty Acid Analyses

One hundred and forty-nine strains of Xanthomonas campestris pv. syngonii and X. c. dieffenbachiae, obtained from ornamental and agronomic aroid plants, were characterized by pathogenic and physiologic reactions. Strains were originally isolated from plants in the following genera: Aglaonema, Anthurium, Colocasia, Dieffenbachia, Epipremnum, Philodendron, Syngonium, and Xanthosoma. In pathogenicity tests with Aglaonema, Anthurium, Dieffenbachia, Philodendron, and Syngonium, strain groups were more virulent on their host of origin than on other plants, but they were not host-specific (...)