The results indicated that the prevalent pathotypes were TRK,TRT,PHT and THT with the frequency of 19 6%,9 8%,6 5% and 6 5% respectively,among the 27 detected pathotypes. The analysis of virulence dynamics of Puccinia recondite f.

• 在发现的 2 7个致病类型 (毒性基因组合 )中 ,TRK ,TRT ,PHT ,THT出现频率分别为 19 6%25 ,9 8%25 ,6 5%25 ,6 5%25 ,为优势致病类型。