I. Lazova-Borisova1*, N. Markov2 1Agricultural Academy, Institute of Cryobiology and Food Technologies, 53 Cherni vrah Blvd., Sofia, Bulgaria 2Agricultural Academy,Institute of Mountain Animal Husbandry and Agriculture, 281 Vasil Levski Blvd.,Troyan, Bulgaria (Manuscript received 23 J

Z. Noruzi, S. A. Moosavi, M. Darvishnia, N. Azadbakht, F. Fayazi Abstract. The polymorphism and similarity relationships among 50 mating–type isolates of Ustilago maydis collected from Lorestan Province were determined with random amplified polymorphic DNA(RAPD). These fungal isolates