1. Gene Discovery & Marker Update
Urmil Bansal

2. APR-Stem rust Sr55/Lr67/Yr46 –CIMMYT & PBI Sr56 Arina- PBI

3. Sr55 90RN2491/WL711 RIL population
gwm165
Sr=23-25%
Pm=15-17%
Yr=10-11%
csLV34
Sr=25%
Pm=14-18%
Yr=37-41%

4. Stem rust APR-5BL Populations developed Arina/Yitpi-RIL
Xglk165
0.0
Xgwm1246
3.6
Xpsr14a
5.8
Xbarc140
8.9
XksuHb9
34.2
Xglk354
44.8
Sr-2005(LOD=5.4)
Sr-2006-RepI(LOD=5.2)
Sr-2006-RepII(LOD=4.0)
Arina/Forno-5BL
5BL6-0.29
gpw3076
0.0
wmc160
9.2
glk0165
13.7
gpw3183
25.2
barc140
30.9
gwm1246
33.7
psr0a145
35.8
wmc640
50.9
barc59
53.6
ksuHb963
63.7
wpt9116
77.2
glk354
83.9
gwm118
91.9
Barc243
105.7
Arina/Forno-5BL
5BL
5BL
5BL
5BL
Sr-APR
5BL
Bansal et al. 2008
Populations developed
Arina/Yitpi-RIL
F2 Arina/Sus WW
Mutants

5. Sr56 -APR 5B Sr56 BF202679 0.0 gwm118 22.3 wPt-9116 35.9 41.3 wPt-0484
48.2 5B

6. Arina/ Forno RIL population

7. Stem rust-Lr34 Lr34 Forno Janz Tc+Lr34 Highly susceptible winter wheat
Cezzane

8. Genotypic status of BC1F1
Sr57
Genotype
Genotypic status of BC1F1
Lr34lr34
Sr24sr24
Non-segregating resistant 7 32 30
Segregating 17 60 38
Non-segregating susceptible 36 6 χ2
0.29
0.75
4.62
Ratio
1:2:1
7:8:1

9. Stem rust-Lr34/Sr57 Lr34 Forno Janz Tc+Lr34 BC1F2 Cezanne Lr34, RR=6
Sr24 RR=4-5
Lr34+Sr24, RR=2-3

10. Stripe rust 4AL=Yr51 Yr? Single gene line 1 Single gene line 2
AUS27858 Pakistan
F3 segregated for two genes

11. Yr51 4AL cM wPt-5172 1.4 barc78 11.9 wPt-4487 9.8 Yr-51 4.4 wPt-0763
gwm160
7.9
4AL

12. Acknowledgement National and international collaborators
GRDC for funding