a total of 105 isolates of erysiphe betae from different regions of iran were investigated. for probable polymorphism of its-5.8s regions using pcr-based rflp, the mentioned fragments were amplified via pcr by its1 and its4 primers and subjected to 1.5% agarose gel electrophoresis. pcr products were digested by haeiii, alui, taqi, hindiii, cfoi, ecori, mspi, saci and rsai res and the digestion ...
