Abstract:The inheritance of resistance of a Chinese rice variety Zhong-Dan No.2 to seven blastfungus strains was studied.Eight monogene-carrying rice varieties Shin 2(Pi-k~s),Ishikari Shiroke(Pi-i),K1(Pi-ta),K59,(Pi-t),Aichi Asahi(Pi-a),Kanto 51(Pi-k),Toride 1(Pi-z~t),and BL7 (Pi-b)were used as a set of diff