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1. Status of stripe rust resistant winter
wheat varieties in Central Asia and the
Caucasus (CAC)
R.C. Sharma1
, A. Amanov2
, Z. Ziyadullaev3
, S. Saidov4
, M. Ahmedov5
,
D. Bedoshvili6
, A. Kokhmetova7
, M. Keser1
, A. Morgounov8
, K. Nazari1
,
S. Rajaram1
and M. Baum1
1
ICARDA
2
Uzbek Research Institute of Plant Industry, Uzbekistan
3
Kashkadarya Research Inst., Karshi, Uzbekistan
4
Farming Institute, Tajikistan
5
Azeri Farming Institute, Azerbaijan
6
Agricultural University of Georgia, Tbilisi
7
Inst. of Plant Biology and Biot., Almaty, Kazakhastan
8
CIMMYT,
28 April 2014, 2nd
Wheat Stripe Rust International Symposium, Izmir, Turkey
2. Scope of presentation
1. Problem of wheat stripe rust in CAC region
2. International collaboration on yellow rust in
CAC
– Progress on identifying high yielding, resistant
varieties in the past five years
– Facilities created for rust research in Uzbekistan
– Seed multiplication of resistant varieties
• Work primarily done in Uzbekistan and
germplasm shared in the CAC region
6. Stripe rust on leading commercial
winter wheat cultivars
Country Variety Stripe rust
severity (%)
Kazakhstan Almali 40 MS
Kyrgyzstan Azribos 40 MR
Tajikistan Navruz 90 S
Turkmenistan Bitarap 60 S
Uzbekistan Krosnodar 99 100 S
Armenia Bezostaya 1 50 S
Azerbaijan Azamatli 95 70 S
Georgia Bezostaya 1 70 S
15. Identification of Stripe Rust Resistant
Winter Wheat Genotypes
• Further information on stripe rust resistant varieties
available in the following two publications
2011 2013
16. Agronomic performance of
stripe rust resistant lines
Grain yield potential 6-9 t/ha
Comparable to or better than checks for
Grain appearance
Maturity
1000-kernel weight
Plant height
Protein and gluten content
Agronomic score
Local bread quality (fair to acceptable)
19. Varieties that survived two stripe rust
epidemics (2010, 2013)
Milan/Kauz//HD29/2*We
aver (CMSS97M00541S
-020Y-030M-040SY-
020M-27Y-010M-0Y-
0SY)
YMH/HYS//HYS/TUR305
5/3/DGA/4/VPM/MOS/5/5
/TAM200/KAUZ (TCI-02-
138: -0AP-0AP-7AP-0AP-
5A-0AP)
Bunyodkor Chumon To be named
DORADE-5//KS82117/MLT
TCI-02-88: -0AP-0AP-
19AP-0AP-3AP-0AP
20. Stripe rust resistant new winter wheat
varieties identified in 2013
• Severe epidemics in many parts of the CAC
• Resistant varieties being submitted to the State Variety Testing
Commission
1. Uzbekistan –
Attila/2*Pastor//Bulk Seln 00F5-43-11
OCW02S557S: -0OK-0E-6E-0E -1E -0E
2. Tajikistan
Ymh/Hys//Hys/Tur3055/3/Dga/4/Vpm/Mos/5/5/TAM200/Kauz
TCI-02-138: -0AP-0AP-7AP-0AP-5A-0AP
3. Georgia
Burbot-6/Cardinal, TCI-01-13: -0AP-0AP-8AP-0AP-2AP-0AP
•
21. New Variety to be submitted in
Uzbekistan in 2014
Shark-1/3/Agri/Bjy//Vee/4/Shark/F4105W2.1 YR =0 GY =8.396 t/ha
23. Seed multiplication of stripe rust
resistant varieties: 2013-2014
Seed multiplicationFarmers’ Field Day
Variety Uzbeki
stan
(ha)
Tajik
istan
(ha)
Hazrati Bashir, Uzbekistan 100
Elomon, Uzbekistan 150
Gozgon, Uzbekistan 100
Bunyodkor, Uzbekistan 200
Yaksart , Uzbekistan) 500
Chumon, Tajikistan 7
Alex, Tajikistan 658
Ormon, Tajikistan 335
Total 1050 1000
4 June 2013, Tajikistan
CRP WHEAT : Partners’ Grant
24. Additional winter wheat with moderately
resistant to stripe rust†
• Azerbaijan: Tale-38
• Georgia: Lomtagora-123, Sauli-9
• Kazakhstan: Egemen, Konditerskaya,
• Kyrgyzstan: Djamin, Zagadka, Petr
• Tajikistan: Alex, Ormon
• Uzbekistan: Dostlik, Yaksart
† There are additional varieties in some countries from nation system
25. Summary
• Stripe rust resistant winter wheat varieties suitable for
Central Asian countries are increasingly becoming
available through international collaborations
• Policy emphasis needed on seed multiplication and
cultivation of resistant varieties and discourage release
and cultivation of susceptible varieties
• Wheat rust research facilities are improving in the
Central Asia region, positive development to support
international initiative on stripe rust
Central Asia included five countries: Kazakhstan, Uzbekistan, Turkmenistan, Kyrgyzstan and Tajikistan
Caucasus include three countries: Azerbaijan, Armenia and Georgia
Many leading winter wheat varieties in Central Asia and the southern Caucasus region are susceptible to stripe rust.
Stripe rust severity on a few widely grown winter wheat cultivars have been presented here.
Our studies in the past two years have shown 28 to 30 grain yield reductions due to stripe rust on widely grown susceptible winter wheat cultivars in Uzbekistan and Tajikistan
In last two years, 6 new improved varieties resistant to stripe rust have been submitted in Uzbekistan
All these varieties originate from IWWIP
These varieties are expected to replace some of the susceptible varieties occupying large acreages
In last two years, 6 new improved varieties resistant to stripe rust have been submitted in Uzbekistan
All these varieties originate from IWWIP
These varieties are expected to replace some of the susceptible varieties occupying large acreages
In
Finally I will like to recognize contributions of ……
