Race

Virulence spectrum (ineffective Sr genes)

No. of isolates

Frequency (%)

BBBBC

McN 

1

3.1

BBBLC 

9a, McN

1

3.1

BHJBC

6, 9g, 9b, 30, McN

2

6.3

CCGBC

7b, 9g, 9b, McN

1

3.1

DBHQC

9e, 9b, 17, 9a, 9d, McN

1

3.1

DBHSC

9e, 9b, 17, 9a, 10, 9d, McN

1

3.1

GKJSF

21, 6, 8a, 9g, 9b, 30, 9a, 9d, 10, 38, McN

1

3.1

GMHJC

21, 11, 6, 9g, 9b, 17, 9d, 10, McN

2

6.3

HHSTF

21, 7b, 6, 9g, 36, 9b, 30, 9a, 9d, 10, Tmp, 38, McN

2

6.3

HRJJC

21, 7b, 11, 6, 9g, 9b, 30, 9d, 10, McN

3

9.4

JRGSC

21, 9e, 11, 6, 9g, 9b, 9a, 9d, 10, McN

1

3.1

JTGDB

21, 9e, 11, 6, 8a, 9g, 9b, 10

1

3.1

RRJJC

5, 21, 7b, 11, 6, 9g, 9b, 30, 9d, 10, McN

3

9.4

RRTTF

5, 21, 7b, 11, 6, 9g, 36, 9b, 30, 17, 9a, 9d, 10, Tmp, 38, McN

2

6.3

SKQNH

5, 21, 9e, 6, 8a, 9g, 36, 9b, 9a, 10, 31, McN

2

6.3

SPSSF

5, 21, 9e, 11, 8a, 9g, 36, 9b, 30, 9a, 9d, 10, 38, McN

2

6.3

TCQJH

5, 21, 9e, 7b, 9g, 36, 9b, 9d, 10, 31, McN

1

3.1

TTKSK

5, 21, 9e, 7b, 11, 6, 8a, 9g, 9b, 30, 17, 9a, 9d, 10, 31, 38, McN

1

3.1

TTSNK

5, 21, 9e, 7b, 11, 6, 8a, 9g, 9b, 36, 30, 9a, 10, 31, 38, McN

3

9.4

TTSSK

5, 21, 9e, 7b, 11, 6, 8a, 9g, 9b, 36, 30, 9a, 9d, 10, 31, 38, McN

1

3.1

Total

 

32

100

Table 7: Virulence spectrum and frequency of races of P. graminis f. sp. tritici collected from southern zone of Tigray in 2010.