Meeting the Challenge of Yellow Rust in Cereal Crops - ICARDA

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viii Acknowledgments The Second Regional Yellow Rust conference for the CWANA region was jointly organized by Pakistan Agricultural Research Council (PARC), ICARDA and CIMMYT. Major funding for this conference was provided by DANIDA (Denmark) and ACIAR (Australia), with important contributions from ICARDA, CIMMYT and the Government of Pakistan. We thank the organizers, and the Institutions who provided needed funding to bring more than 100 scientists from 12 countries to attend this conference in Islamabad (16–22 March 2004). Appreciation goes to colleagues who helped edit papers of this conference, particularly Dr Ahmad Iftikhar and Dr Anjum Munir from NARC (Pakistan), Dr Habib Ketata from ICARDA and Dr Mogens Hovemoller from DIAS (Denmark). The Third RYC was organized by the Uzbek-Ministry of Agriculture, ICARDA and CIMMYT, with great assistance from PFU. The conference was sponsored by Arab Fund (AFSED) and ACIAR (Australia), with important contributions from ICARDA and CIMMYT. The Conference was organized a year earlier than originally planned in response to the threat from Ug99 and the establishment of BGRI. The conference was held in Tashkent (Uzbekistan) from 8 to 11 June 2006, and was attended by over 70 participants from 17 countries. The Fourth RYC was held in Antalya (Turkey) from 10 to 12 October 2009, organized jointly by the Turkish Ministry of Agriculture and Rural Affairs (MARA); the International Center for Agricultural Research in the Dry Areas (ICARDA); the International Maize and Wheat Improvement Center (CIMMYT); and the Food and Agriculture Organization of the United Nations (FAO). Over 100 participants from 25 countries attended. The conference was sponsored by FAO, with contributions from ICARDA, CIMMYT and MARA. The work done by Professor Brahim Ezzahiri, IAV, Morocco, in editing the abstracts and many papers submitted to this conference is greatly appreciated. Great appreciation is extended to all those who served in the local, regional and international organizing committees. Their support, contribution and advice on the conference programmes was positive and very helpful The scientific editors thank all those who made an effort and sent their full papers. Great appreciation goes to the International and Local Organizing Committees and the hosting countries of the three conferences, as well as to ICARDA and CIMMYT management for their support and encouragement. Particular thanks go to Thor Lawrence for collating and conforming the proceedings linguistically, and preparing the texts for publication. Amor Yahyaoui and Sanjaya Rajaram
ix 2nd Regional Yellow Rust Conference Islamabad, Pakistan, 22–26 March 2004 Local Organizing Committee Dr Iftikhar Ahmad, Director, NARC (Chair) Dr Nafees S. Kissana Dr Ghulam Mohammad Dr Mohammad Aqilhan Mr Shamadad Khanzada Dr Anjum Munir International Organizing Committee Dr Badar ud Din Soomro, Chair, PARC (Chair) Dr Naeem I. Hashmi Dr Richard Cross, GP-Director, ICARDA Dr Habib Ketata, ICARDA, Islamic Republic of Iran Dr Abdul Majeed, ICARDA, Pakistan Dr Mogen Hovmoller, DIAS, Denmark Dr Amor Yahyaoui, GP-ICARDA (Conference Scientific Secretary) 3rd Regional Yellow Rust Conference Tashkent, Uzbekistan, 8–11 June 2006 Organizing Committee Dr Sanjaya Rajaram, Director, ICARDA/CIMMYT Wheat Improvement Program (Chair) Dr D. Amir Amanov, Advisor, President Aparat, Uzbekistan (Co-Chair) Dr Raj Paroda, PFU & ICARDA Regional Representative Dr Hans Braun, Director, CIMMYT Wheat Program Dr Alex Morgounov, CIMMYT Turkey Dr Mohammad R.J. Kamali, SPII, Islamic Republic of Iran Dr Ahmad Iftikhar, PARC, Pakistan Dr Mogens Hovmoller, DIAS, Denmark Dr Colin Wellings, Plant Breeding Institute (PBI), Sydney, Australia Dr Amor Yahyaoui, IPM Coordinator, ICARDA (Conference Scientific Secretary)
Page 1 and 2: Meeting the Challenge of Yellow Rus
Page 3 and 4: iii Foreword Wheat is grown on roug
Page 5 and 6: v Preface The Central and West Asia
Page 7: vii About this publication This vol
Page 11: Meeting the Challenge of Yellow Rus
Page 14 and 15: 4 Epidemiology of wheat yellow rust
Page 16 and 17: 6 Prevalent yellow rust pathotypes
Page 18 and 19: 8 Pakistan Dr Badaruddin Soomro, PA
Page 20 and 21: 10 Dr Naeem Ahmad, Wheat Research I
Page 23 and 24: Yellow rust of wheat in Nepal: an o
Page 25 and 26: inoculum originating from infected
Page 27 and 28: 17 Control Efforts were made to dev
Page 29 and 30: Karki, C.B. 1994. Genetics of rust
Page 31 and 32: No virulence was observed on plants
Page 33 and 34: 23 Results and discussion In the tw
Page 35 and 36: Virulence to yellow rust resistance
Page 37 and 38: and Yr27, the seedling data may not
Page 39 and 40: Yield evaluations of the PBW 343- a
Page 41 and 42: variation for yellow rust resistanc
Page 43 and 44: A number of Kauz-derived cvs, e.g.
Page 45 and 46: Kisana, S.N., Mujahid, Y.M. & Musta
Page 47 and 48: 37 Material and methods Wheat nurse
Page 49 and 50: Challenge of a new race of Puccinia
Page 51 and 52: 41 Table 1. Response of the yellow
Page 53 and 54: 43 Occurrence and importance of yel
Page 55 and 56: To better explain the differences i
Page 57 and 58: Weather data were taken from the ne
Page 59 and 60:
Disease progress stopped, in genera
Page 61 and 62:
Roelfs, A.P. 1985. Epidemiology in
Page 63 and 64:
The wheat stripe rust pathogen over
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55 6E150A+ 4E8A+ 6E130A+ 130E2A+ 6E
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Agriculture-guided evolution of pat
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Yr SD, Yr SU and YrA was observed.
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The data presented in Table 3 show
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Kirmani, M.A.S. 1980. Comparative e
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ust infection at the CIMMYT station
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67 Table 1. Estimation of the numbe
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Resistance to stripe rust disease o
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may be from the Aegilops parent as
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McNeal, F.H., Konzak, C.F., Smith,
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Disease severity (percentage of rus
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77 Table 2. Genetic analysis of res
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Defence mechanisms against rust, an
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for the biosynthesis of a large num
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components of the signalling pathwa
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Xing, T., Wang, X.J., Malik, K. & M
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provided for final decision regardi
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spreader, cv. Morocco. The data was
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91 Table 4A. Entries included in Na
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93 Table 5A. Entries in the Nationa
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95 References Ahmad, S., Rodriguez,
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Yellow rust (YR) is one of the most
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99 Table 1. Yellow rust reaction of
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101 100 90 80 CHECKS IW IWWIP CAC E
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• To investigate the effectivenes
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105 Figure 1. Locations of yellow r
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Table 2. Terminal reaction of diffe
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Isogenic lines possessing Yr9 and Y
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Inqilab 91 at Nowshera, Swabi and M
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Selection of yellow rust-resistant
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These genotypes—depending on the
Page 127 and 128:
Reaction of some international whea
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nurseries were irrigated with mist
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Name Pedigree Source 23 Tevee'S'//B
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Name Pedigree Source 71 NS732/HER S
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Name Pedigree Source 41 Gcn/4/D68-1
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127 Role of yellow rust-resistance
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genes, such as with Yr6 in cultivar
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Dubin, H.J., Johnson, R. & Stubbs,
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134 Yellow rust of wheat in Ethiopi
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136 Virulence of stripe rust on dif
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138 Turkey, Lebanon and Syria. Race
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140 Evaluation of seedling and adul
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142 of resistance not only to yello
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144 Yellow rust reaction, disease d
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146
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148 Outputs of the ten years of eva
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150 Characterization of resistance
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152 Results of testing winter wheat
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154 Dr Valentina Ibragimoval, Kyrgy
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156 Surveys of yellow rust populati
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158 nurseries. ICARDA, at its headq
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160 Table 2. Yellow rust differenti
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162 Table 4. Selected elite cultiva
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164 Table 7 shows the relative effe
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166 Table 8. Field reaction of whea
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168 Syria, Lebanon, Iran and Turkey
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170 Regional Conference on Yellow R
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172 moderate and high levels of res
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174 Umanka. The same disease reacti
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176 genes Yr1, Yr2, Yr6, Yr7, Yr8 a
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178 Table 3. Resistance to yellow r
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180 Monitoring bread wheat genotype
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182 3000 masl. Susceptible check cv
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184 Table3. Disease severity and re
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186 with great effect, particularly
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188 Conclusion Relatively old bread
Page 201 and 202:
191 Abstracts of other papers prese
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193 Global perspectives in wheat ye
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195 Yellow rust in Central and West
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197 Outputs of the ten-year evaluat
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199 Yellow rust resistance of bread
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201 Influence of weather conditions
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203 Virulent pathotypes of yellow r
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associated with a greater yielding
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een based on a single major gene or
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209 Monitoring stripe [yellow] rust
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211 Pathotype and molecular variabi
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Functional analysis of yellow rust
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215 Study on resistance reaction of
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217 Resistance of International Win
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219 Researching the influence of an
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Australian pathotypes of Puccinia s
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and cultural practices have been ad
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225 Development of a detached leaf
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227 Virulence variation of Puccinia
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intervals and also as the border of
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231 Virus-induced gene silencing in
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233 Inheritance of resistance to ye
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generated from monogenically segreg
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• slow-rusting genes: Yr9, Yr12,
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239 Meeting the Challenge of Yellow
Page 251 and 252:
241 Contents List of participants i
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Resistance response of promising wh
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Constructing physical and genomic m
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Inheritance of yellow rust resistan
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249 Algeria List of participants Dr
Page 261 and 262:
Tajikistan Prof. Dr Hafiz Muminjano
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Identification of effective and dur
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For each resistant genotype (Table
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257 Figure 1. AUDPC of ineffective
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259 Figure 3. AUDPC of susceptible
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Among the wheat lines tested, 51% c
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263 Introduction Wheat (Triticum ae
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wheat germplasm lines from were tes
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An analysis of the 2009 epidemic of
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Overall yield loss estimation A gen
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271 Table 4a. Monthly mean temperat
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Further studies on Yr9 virulent pat
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evaluation, these varieties were ha
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277 Table 1. Genotype response to p
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may result in losses of up to 70% i
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Table 1A. Wheat yellow rust scenari
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283 Table 1C. Wheat yellow rust sce
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285 No. Cultivar/Yr genes Yellow ru
Page 297 and 298:
Roelfs, A.P., Singh. R.P. & Saari,
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289 Materials and methods This stud
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ineffective (Yahyaoui et al., 2004)
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Combining high yield potential and
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Breeding for yellow rust-resistant
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It is evident from Table 3 that Lu2
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299 Table 4. Rust reactions in hot-
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Evaluation of Indian wheat genotype
Page 313 and 314:
components individually is quite la
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305 Table 1. Grouping of AVT-2nd ye
Page 317 and 318:
Effective and ineffective resistanc
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seedling resistance and adult plant
Page 321 and 322:
The cultivars expressing an infecti
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New approaches in traditional resis
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(resistant × resistant); susceptib
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twice that of resistant ones. When
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nurseries from Oklahoma University
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321 Figure 1. Map of the Republic o
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323 % 90 80 70 60 50 40 30 20 10 0
Page 335 and 336:
In comparison with the local variet
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327 Introduction Wheat (Triticum ae
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Virulence and avirulence factors of
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(Peterson, Campbell and Hannah, 194
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333 No. Genotype Gene(s) Severity a
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An overview of results of five year
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combinations of adult plant resista
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Sources of resistance to wheat stri
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APR. A spectacular example was the
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In our breeding programme we are lo
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345 Introduction Stripe Rust of whe
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Table 1. Adult plant infection type
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Dehghani, H., Moghadam, M.R., Ghann
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species in the region determined th
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353 Table 4. The materials tested f
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Breeding for resistance to rust dis
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diseases, powdery mildew, sunn pest
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359 References Dzhunusova, M., Yahy
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high yielding widely grown cultivar
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susceptible to susceptible in 2007,
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Of the yellow rust samples collecte
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367 Abstracts of other papers prese
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369 Monitoring pathogen dynamics in
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1980s. Occurrence of virulence for
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373 Race changes of Puccinia striif
Page 385 and 386:
375 High-temperature, adult-plant (
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types with race Pst-3 than with Pst
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379 Investigation of genetic resist
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381 Gene sequencing reveals heterok
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383 Molecular characterization of w
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papillae, cell wall appositions and
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infection are obtained through arti
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2000 masl; Ae. cylindrica is locate
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391 Reaction of winter facultative
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393 Yellow rust in the south of Ukr
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395 Study of diverse winter wheat g
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397 Yellow rust epidemics and virul
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399 Wheat yellow rust situation in
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401 Inheritance of yellow rust resi
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infection of the pathogen for four
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Club and other susceptible wheat cv
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407 Selection of wheat cultivars fo
Page 419 and 420:
conditions. In 2006 and 2008, due t
Page 421 and 422:
411 Regulation of development of ye
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