GENES FOR LEAF AND STEM RUST RESISTANCE IN IMPORTANT WHEAT CULTIVARS IN JIANGSU PROVINCE RACE POPULATION TREND OF PUCCINI A GRAMINIS F. SP. TRITICI IN 1990-1994 IN CHINA COMPETITIVE ABILITY AMONG RACES OF PUCCINI A GRAMINIS F. SP. TRITICI IN MIXTURES RACE IDENTIFICATION OF PUCCINIA GRAMINIS F.SP.TRITICI IN CHINA IN 1990 DISCOVERY AND VERIFICATION OF AN IMPORTANT INOCULUM SOURCE FOR PUCCINIA GRAMINIS F. SP. TRITICI IN CHINA Genetic Analysis and SSR Mapping of Stem Rust Resistance Gene from Wheat Mutant D51 BREEDING WHEAT MUTANT LONGFU 03D51 WITH RESISTING STEM RUST AND GENETIC ANALYZATION OF RESISTING DISEASE AND RAPD MAKER RACE DYNAMIC OF PUCCINIA GRAMINIS F. SP. TRITICI IN CHINA IN 1993 ISOZYMIC VARIATION AMONG AND WITHIN SPECIES OF PINE-STEM RUST FUNGI IN CHINA Identification and evaluation of resistance to stem rust in exotic Ug99-resistant wheat germplasm and domestic varieties GENETIC DIFFERENTIATION AMONG THREE PINESTEM RUST FUNGI FROM CHINA AS ESTIMATED BY RANDOM AMPLIFIED POLYMORPHIC DNA