during 2007-2008, 58 strains of p. syringae pv. syringae (pss) were isolated from various prunus species and other hosts such as sugar beet, pear, quince, oat, millet, wheat, barley, and rice in fars, isfahan, kohgiloye and boyer ahmad, chahar mahal-o-bakhtiari provinces of iran. the strains were tested for pathogenicity, the presence of the syrb gene and box pcr (box a1r primer). all teste...

Field studies demonstrated a 21.3% prevalence of Pterygodermatites coloradensis in Peromyscus leucopus and a decreasing mean worm burden during the October to April, 1977-79, study period. Decreasing worm burden may be due to fewer available infested intermediate hosts, the short life span of adult worms, or both. Forest and cave salamanders are probably not effective transfer hosts of P. color...