AGP - 
 

Effective / Ineffective Stem Rust Resistance Genes

The following table summarizes the effective and ineffective stem rust resistance genes for races in the Ug99 lineage (based on Singh et al., 2006).



TTKSK (Ug99)

Race

Year of Identification

Origin of Sr Gene

Stem rust resistance (Sr) genes

Ineffective

Effective

TTKSK ( Ug99)

1999

Triticum aestivum

5,6,7a, 7b, 8a, 9a, 9b, 9f, 10, 15, 16, 18, 19, 20, 23, 30, 41, 42, Wld-1

28a, 29*, Tmp

Confirmed in:
Uganda, Kenya,
Ethiopia, Sudan,
Yemen, Iran

 

Triticum turgidum

9d, 9e, 9g, 11, 12, 17

2*, 13a,*, 14a

 

 

Triticum monococcum

21

22, 35

 

 

Triticum timopheevi

 

36a, 37

 

 

Triticum speltoides

 

32, 39

 

 

Triticum tauschii

 

33* 45

 

 

Triticum comosum

34

 

 

 

Triticum ventricosum

38

 

 

 

Triticum araraticum

 

40

 

 

Thinopyrum elongatum

 

24a, 25a, 26, 43

 

 

Thinopyrum intermedium

 

44

 

 

Secale cereale

31

27a, 1A.1R

To top

TTKSF

Race

Year of Identification

Origin of Sr Gene

Stem rust resistance (Sr) genes

Ineffective

Effective

TTKSF

2000

Triticum aestivum

5,6,7a, 7b, 8a, 9a, 9b, 9f, 10, 15, 16, 18, 19, 20, 23, 30, 41, 42, Wld-1

28a, 29*, Tmp

Confirmed in:
South Africa

 2000

Triticum turgidum

9d, 9e, 9g, 11, 12, 17

2*, 13a,*, 14a

 Zimbabwe

 2009

Triticum monococcum

21

22, 35

 

 

Triticum timopheevi

 

36a, 37

 

 

Triticum speltoides

 

32, 39

 

 

Triticum tauschii

 

33* 45

 

 

Triticum comosum

34

 

 

 

Triticum ventricosum

38

 

 

 

Triticum araraticum

 

40

 

 

Thinopyrum elongatum

 

24a, 25a, 26, 43

 

 

Thinopyrum intermedium

 

44

 

 

Secale cereale

 

31a, 27a, 1A.1R

To top

TTKST (Ug99 + Sr24)

Race

Year of Identification

Origin of Sr Gene

Stem rust resistance (Sr) genes

Ineffective

Effective

TTKST (Ug99 + Sr24)

2006

Triticum aestivum

5,6,7a, 7b, 8a, 9a, 9b, 9f, 10, 15, 16, 18, 19, 20, 23, 30, 41, 42, Wld-1

28a, 29*, Tmp

Confirmed in:
Kenya

 

Triticum turgidum

9d, 9e, 9g, 11, 12, 17

2*, 13a,*, 14a

 

 

Triticum monococcum

21

22, 35

 

 

Triticum timopheevi

 

36a, 37

 

 

Triticum speltoides

 

32, 39

 

 

Triticum tauschii

 

33* 45

 

 

Triticum comosum

34

 

 

 

Triticum ventricosum

38

 

 

 

Triticum araraticum

 

40

 

 

Thinopyrum elongatum

24

25a, 26, 43

 

 

Thinopyrum intermedium

 

44

 

 

Secale cereale

31

27a, 1A.1R

To top

TTTSK (Ug99 + Sr36)

Race

Year of Identification

Origin of Sr Gene

Stem rust resistance (Sr) genes

Ineffective

Effective

TTTSK (Ug99 + Sr36)

2007

Triticum aestivum

5,6,7a, 7b, 8a, 9a, 9b, 9f, 10, 15, 16, 18, 19, 20, 23, 30, 41, 42, Wld-1

28a, 29*, Tmp

Confirmed in:
Kenya

 

Triticum turgidum

9d, 9e, 9g, 11, 12, 17

2*, 13a,*, 14a

 

 

Triticum monococcum

21

22, 35

 

 

Triticum timopheevi

36

37

 

 

Triticum speltoides

 

32, 39

 

 

Triticum tauschii

 

33* 45

 

 

Triticum comosum

34

 

 

 

Triticum ventricosum

38

 

 

 

Triticum araraticum

 

40

 

 

Thinopyrum elongatum

 

24a, 25a, 26, 43

 

 

Thinopyrum intermedium

 

44

 

 

Secale cereale

31

27a, 1A.1R

To top

TTKSP

Race

Year of Identification

Origin of Sr Gene

Stem rust resistance (Sr) genes

Ineffective

Effective

TTKSP (Ug99 progenitor + Sr24)

2007

Triticum aestivum

5,6,7a, 7b, 8a, 9a, 9b, 9f, 10, 15, 16, 18, 19, 20, 23, 30, 41, 42, Wld-1

28a, 29*, Tmp

Confirmed in:
South Africa

 

Triticum turgidum

9d, 9e, 9g, 11, 12, 17

2*, 13a,*, 14a

 

 

Triticum monococcum

21

22, 35

 

 

Triticum timopheevi

 

36, 37

 

 

Triticum speltoides

 

32, 39

 

 

Triticum tauschii

 

33* 45

 

 

Triticum comosum

34

 

 

 

Triticum ventricosum

38

 

 

 

Triticum araraticum

 

40

 

 

Thinopyrum elongatum

24

25a, 26, 43

 

 

Thinopyrum intermedium

 

44

 

 

Secale cereale

 

31a, 27a, 1A.1R

To top

PTKST

Race

Year of Identification

Origin of Sr Gene

Stem rust resistance (Sr) genes

Ineffective

Effective

PTKST

2008

Triticum aestivum

5, 6, 7a, 7b, 8a, 8b, 9a, 9b, 9f, 10, 15, 16, 18, 19, 20, 23, 30, 41, Wld-1

28a, 29*, 42, Tmp

Confirmed in:
Kenya

 

Triticum turgidum

9d, 9e, 9g, 11, 12, 17

2*, 13a,*, 14a

South Africa

 2009

Triticum monococcum

 

21, 22, 35

 

 

Triticum timopheevi

 

36a, 37

 

 

Triticum speltoides

 

32, 39

 

 

Triticum tauschii

 

33* 45

 

 

Triticum comosum

34

 

 

 

Triticum ventricosum

38

 

 

 

Triticum araraticum

 

40

 

 

Thinopyrum elongatum

24

25a, 26, 43

 

 

Thinopyrum intermedium

 

44

 

 

Secale cereale

31

27a, 1A.1R

To top

PTKSK

Race

Year of Identification

Origin of Sr Gene

Stem rust resistance (Sr) genes

Ineffective

Effective

PTKSK

2007

Triticum aestivum

5, 6, 7a, 7b, 8a, 8b, 9a, 9b, 9f, 10, 15, 16, 18, 19, 20, 23, 30, 41, Wld-1

28a, 29*, 42, Tmp

Confirmed in:
Kenya

 

Triticum turgidum

9d, 9e, 9g, 11, 12, 17

2*, 13a,*, 14a

Ethiopia

 

Triticum monococcum

 

21, 22, 35

 

 

Triticum timopheevi

 

36a, 37

 

 

Triticum speltoides

 

32, 39

 

 

Triticum tauschii

 

33* 45

 

 

Triticum comosum

34

 

 

 

Triticum ventricosum

38

 

 

 

Triticum araraticum

 

40

 

 

Thinopyrum elongatum


24a, 25a, 26, 43

 

 

Thinopyrum intermedium

 

44

 

 

Secale cereale

31

27a, 1A.1R

To top

a Virulence for the gene is known to occur in other races

* Level of resistance conferred in the field is usually not enough