Meeting the Challenge of Yellow Rust in Cereal Crops - ICARDA

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160 Table 2. Yellow rust differential cultivars in the 4th Central West Asia Cereal Rust Trap Nursery (CWA-CRTN) No. Cultivar Yr gene(s) No. Cultivar Yr gene(s) 1 Triticale — 25 Yr6/ 6* Avocet S Yr6 2 Chinese 166 (W) Yr1 26 Yr7/ 6* Avocet S Yr7 3 Lee (S) Yr7 27 Yr8/ 6* Avocet S Yr8 4 Heines Kolben (S) Yr6 28 Yr9/ 6* Avocet S Yr9 5 Vilmorin 23 (W) Yr3V 29 Yr10/ 6* Avocet S Yr10 6 Moro (W) Yr10 30 Yr15/ 6* Avocet S Yr15 7 Strubes Dickopf (W) SD 31 Yr17/ 6* Avocet S Yr17 8 Suwon 92×Omar (W) SU 32 Yr18/ 3* Avocet S Yr18 9 Clement (W) Yr9+ 33 YrSK /3* Avocet S Yr27 10 Triticum spelta var. album (Inter, Yr5) (S) Yr5 34 YrSP / 6* Avocet S YrSP 11 Morocco (W) Check 35 Morocco (W) Check 12 Hybrid 46 (W) Yr4+ 36 Sonalika (S) Yr2 13 Reichersberg 42 (W) Yr7+ 37 Anza YrA, Yr18 14 Heines Peko (S) Yr6+ 38 Fed.4/kavkaz (S) Yr9 15 Nord Desprez (W) 3N 39 Cham 1 DW 16 Compair (S) Yr8, Yr18 40 Cook (S) APR 17 Carstens V (W) CV 41 Corella (S) Yr6+Yr7 18 Spaldings Prolific (W) SP 42 Oxley (S) Yr6+APR 19 Heines VII (W) Yr2, Yr11, Yr25 43 Kalyansona (S) Yr2 20 Morocco (W) Check 44 Federation (S) — 21 Avocet S — 45 Cranbrook (S) Yr7 22 Avocet R YrA 46 Jupateco 'R' (S) Yr18+ 23 Yr1/ 6* Avocet S Yr1 47 Jupateco 'S' — 24 Yr5/ 6* Avocet S Yr5 48 Morocco (W) Check NOTES: (W) = winter wheat type; (S) = spring wheat type; APR = adult plant resistance. Under field conditions, spreader rows (mixtures of susceptible cultivars) served as a source of inoculum. Primary infection by air-borne rust spores developed rapidly on the spreader, and subsequent spread of urediniospores occurred naturally to the surrounding plots of the differential cultivars. The trap nurseries were evaluated at all testing sites for five consecutive years (2001–2005). Severity of infection (0–100%) and reaction type (R, S) as designated by Peterson, Campbell and Hannah (1948) were assessed at heading stage (growth stage 85 of Zadoks, Chang and Konzak, 1974). The frequency of infection on each genotype was calculated as the relative percentage of infection on susceptible lines over 5 years at all the testing sites in Syria.
161 Table 3. Commercial and elite cultivars grown in Central and West Asia and the Caucasus in the 4th Central West Asia Cereal Rust Trap Nursery (CWA-CRTN) Ref. No. Cultivar Country Ref. No. Cultivar Country 89 Ani 326 Armenia 115 Erythrospermum 760 Kyrgyzstan 90 Mirbashir 128 Azerbaijan 116 Lutescens 42 Kyrgyzstan 91 Karakylchyk 2 Azerbaijan 117 Bermet Kyrgyzstan 92 Pirshahin Azerbaijan 118 Jamin Kyrgyzstan 93 Tarragui Azerbaijan 119 Cham 4 Syria 94 Gobustan Azerbaijan 120 Cham 6 Syria 95 Azametli 95 Azerbaijan 121 Ghurab 2 Syria 96 Memof 22 Lebanon 122 Bohouth 6 Syria 97 Seri 82 Lebanon 123 Bakht Tajikistan 98 Sardari Iran 124 Gereck 79 Turkey 99 Alamout Iran 125 Bezostaya Turkey 100 Darab-2 Iran 126 Kinaci 97 Turkey 101 Sabalan Iran 127 Dagdas 94 Turkey 102 Shirodi Iran 128 Gun 91 Turkey 103 M-75-10 (Shiraz) Iran 129 Sultan 95 Turkey 104 M-75-7 (Pyshtaz) Iran 130 Ak bugday Turkmenistan 105 C-78-7 Iran 131 Turkmenbashi Turkmenistan 106 C-78-18 Iran 132 Dustlik Uzbekistan 107 Steklovidnaya 24 Kazakhstan 133 Polovchanka Uzbekistan 108 Zhetysu Kazakhstan 134 Spartanka Uzbekistan 109 Opaks 26 Kazakhstan 135 Yuna Uzbekistan 110 Progress Kazakhstan 136 Skifyanka Uzbekistan 111 Tilek Kyrgyzstan 137 Ulugbek 600 Uzbekistan 112 Adyr Kyrgyzstan 138 Sanzar 4 Uzbekistan 113 Kiyal Kyrgyzstan 139 Sanzar 8 Uzbekistan 114 Frunzenskaya 60 Kyrgyzstan 140 Yanbash Uzbekistan
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Meeting the Challenge of Yellow Rus
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iii Foreword Wheat is grown on roug
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v Preface The Central and West Asia
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vii About this publication This vol
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ix 2nd Regional Yellow Rust Confere
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Meeting the Challenge of Yellow Rus
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4 Epidemiology of wheat yellow rust
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6 Prevalent yellow rust pathotypes
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8 Pakistan Dr Badaruddin Soomro, PA
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10 Dr Naeem Ahmad, Wheat Research I
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Yellow rust of wheat in Nepal: an o
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inoculum originating from infected
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17 Control Efforts were made to dev
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Karki, C.B. 1994. Genetics of rust
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No virulence was observed on plants
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23 Results and discussion In the tw
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Virulence to yellow rust resistance
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and Yr27, the seedling data may not
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Yield evaluations of the PBW 343- a
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variation for yellow rust resistanc
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A number of Kauz-derived cvs, e.g.
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Kisana, S.N., Mujahid, Y.M. & Musta
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37 Material and methods Wheat nurse
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Challenge of a new race of Puccinia
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41 Table 1. Response of the yellow
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43 Occurrence and importance of yel
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To better explain the differences i
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Weather data were taken from the ne
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Disease progress stopped, in genera
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Roelfs, A.P. 1985. Epidemiology in
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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
Page 119 and 120: Isogenic lines possessing Yr9 and Y
Page 121 and 122: Inqilab 91 at Nowshera, Swabi and M
Page 123 and 124: Selection of yellow rust-resistant
Page 125 and 126: These genotypes—depending on the
Page 127 and 128: Reaction of some international whea
Page 129 and 130: nurseries were irrigated with mist
Page 131 and 132: Name Pedigree Source 23 Tevee'S'//B
Page 133 and 134: Name Pedigree Source 71 NS732/HER S
Page 135 and 136: Name Pedigree Source 41 Gcn/4/D68-1
Page 137 and 138: 127 Role of yellow rust-resistance
Page 139 and 140: genes, such as with Yr6 in cultivar
Page 141: Dubin, H.J., Johnson, R. & Stubbs,
Page 144 and 145: 134 Yellow rust of wheat in Ethiopi
Page 146 and 147: 136 Virulence of stripe rust on dif
Page 148 and 149: 138 Turkey, Lebanon and Syria. Race
Page 150 and 151: 140 Evaluation of seedling and adul
Page 152 and 153: 142 of resistance not only to yello
Page 154 and 155: 144 Yellow rust reaction, disease d
Page 156 and 157: 146
Page 158 and 159: 148 Outputs of the ten years of eva
Page 160 and 161: 150 Characterization of resistance
Page 162 and 163: 152 Results of testing winter wheat
Page 164 and 165: 154 Dr Valentina Ibragimoval, Kyrgy
Page 166 and 167: 156 Surveys of yellow rust populati
Page 168 and 169: 158 nurseries. ICARDA, at its headq
Page 172 and 173: 162 Table 4. Selected elite cultiva
Page 174 and 175: 164 Table 7 shows the relative effe
Page 176 and 177: 166 Table 8. Field reaction of whea
Page 178 and 179: 168 Syria, Lebanon, Iran and Turkey
Page 180 and 181: 170 Regional Conference on Yellow R
Page 182 and 183: 172 moderate and high levels of res
Page 184 and 185: 174 Umanka. The same disease reacti
Page 186 and 187: 176 genes Yr1, Yr2, Yr6, Yr7, Yr8 a
Page 188 and 189: 178 Table 3. Resistance to yellow r
Page 190 and 191: 180 Monitoring bread wheat genotype
Page 192 and 193: 182 3000 masl. Susceptible check cv
Page 194 and 195: 184 Table3. Disease severity and re
Page 196 and 197: 186 with great effect, particularly
Page 198 and 199: 188 Conclusion Relatively old bread
Page 201 and 202: 191 Abstracts of other papers prese
Page 203 and 204: 193 Global perspectives in wheat ye
Page 205 and 206: 195 Yellow rust in Central and West
Page 207 and 208: 197 Outputs of the ten-year evaluat
Page 209 and 210: 199 Yellow rust resistance of bread
Page 211 and 212: 201 Influence of weather conditions
Page 213 and 214: 203 Virulent pathotypes of yellow r
Page 215 and 216: associated with a greater yielding
Page 217 and 218: een based on a single major gene or
Page 219 and 220: 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
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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
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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
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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
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components individually is quite la
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305 Table 1. Grouping of AVT-2nd ye
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Effective and ineffective resistanc
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seedling resistance and adult plant
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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
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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
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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
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conditions. In 2006 and 2008, due t
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411 Regulation of development of ye
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Meeting the Challenge of Yellow Rust in Cereal Crops - ICARDA

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