Study on genetic diversity of Magnaporthe grisea using PCR and determination of the mating type alleles distribution in Mazandaran province, Iran Hemmati, R.; Javan-Nikkhah, M.; Okovvat, S.M.; Ghazanfari, K. Communications in Agricultural and Applied Biological Sciences 70(3): 311-313 2005 https://eurekamag.com/research/050/433/050433062.php