Reaction of wheat germplasm to stem rust in Georgia

Year 2015, Volume: 1 Issue: 1, 63 - 68, 01.01.2015

Zoia Sikharulidze Lali Mgeladze Rusudan Dumbadze Ketino Natsarishvili Nana Chkhutiashvili

Abstract

Stem rust had represented a major threat to wheat production in the world including Georgia. Breeding for resistance to rusts is a major strategy for most wheat improvement programs. The wild and domestic relatives of wheat are important sources for disease resistance. Therefore, the objective of this study was identification of resistant genotypes to Georgian races of stem rust. A collection of fifty wheat accessions including endemic wheat species and subspecies, domestic varieties, new advanced cultivars and introduced entries from different international nurseries were evaluated under the artificial infection of stem rust in the field and greenhouse conditions. The wheat germplasm was screened using the predominant stem rust races mixture of Georgia. Resistance was detected in majority of the tested entries. The endemic species: Triticum monoccoccum (var.laetissimum Korn), Triticum timopheevi (var.tipicum Zhuk -var.viticulosum Zhuk), Triticum georgicum (var.chvamlicum Supat), Triticum dicoccum (var. farrum), Triticum carthlicum Men (var. fuliginosum Zhuk), Triticum carthlicum Men (Var. stramineum Zhuk), Triticum macha Dek et Men (var. megrelicum), Triticum macha Dek et Men (var. colchicum ), Triticum macha Dek et Men (var. palaeo-imereticum), Triticum spelta (var.dekaprelevichi Dorof) and old Georgian varieties: Khulugo, Tetri ipkli were resistant and moderate resistant to stem rust. Also, some introduced accessions (DBDI-2WWSRRN-34, Dorade/altay2000/4Bez/Nad//LZM (es85.24)3/F900k, Haurani / aegtaushi / cham6-6 / mz / cno67 / 3Ifn / 4 / ant / 5 / Attila-19FAWWON, Sunco / pastor-19FAWWON, SRMA / tui / / babax / 3JGR-11LR-Res-132, BTZ-18FAWWON-IRR-149) showed moderate resistance

Keywords

wheat, landraces, species, resistance, rust

References

• Anonymous, (2008). Wheat Rust Disease Global Programme. Food and Agriculture Organization of the United Nations. Rome, 45 p.
• Bariana H S (2008). Stem rust resistance in wheat. Proceedings of the International Conference on wheat stem rust Ug99. pp.20-24
• Beteselassie N, Fininsa C and Badebo A. (2006). Sources of stem rust resistance in Ethiopian tetraploid wheat accessions. African Crop Science Journal, Vol. 15, No. 1, pp. 51 -57
• Brown-Guerda G L, Jil B S, Bockus W W, Cox T S Hatchett J H, Leath S, Peterson C J, Thomas J B, Zwer P K (1996). Evaluation of a collection of wild timopheevi wheat for resistance to disease and arthropod pests. Plant diseases 80 :928-933
• Dekaprelevich L L (1961). Die Art Triticum macha Dek et Men. im Lichte neuster Untersuchungen uber die Herkunft der Hexaploiden Weizen. Z. Pflanzenzuchtg. 45:17-30.
• Dekaprelevich L L and Naskidashvili P P (1976). Triticum persicum v. stramineum, genetic source of resistance to yellow and brown rust [Georgian]. Soobsccheniya Akademii Nauk Gruzinskoi Ssr. 82:689-691.
• Knott D R and Zang H T (1990). Leaf rust resistance in durum wheat and its relatives. In: Wheat Genetic Resources: Meeting Diverse Needs, Srivastava, J.P. and Damania, A.B. (eds). John Wileyand Sons, Chichester, UK, pp. 311-316.
• McIntosh R A and Guarfas J (1971). Triticun timopheevi as a source of resistance to wheat stem rust. Z.Pfazenzucht, 66:240-248
• Menabde V L (1948). Wheats of Georgia. Georgian Academy of Sciences Press, Tbilisi, 267p.
• Naskidashvili P, Sikharulidze M, Chernish E (1983). Breeding of wheat in Georgia. Tbilisi,
• Naskidashvili P, Iashagashvili G, Kevkhishvili V (1993). Valuable contribution of Georgian endemics and landraces in the breeding.(In Georgian). Tbilisi, Georgia, 40p.
• Peterson R F, Campbell A B, and Hannah A E (1948). A diagrammatic scale for estimating rust intensity on leaves and stems of cereals. Canadian Journal of Research 26: 496-500.
• Pretorius Z A, Singh R P, Wagoire W and Peyne T (2000). Detection of virulence to wheat stem rust resistance gene Sr31in Puccinia graminis in Uganda. Plant Disease, 84:203
• Roelfs A P and Martens J W (1988). An international system of nomenclature for Puccinia graminis f.sp. tritici. Phytopathology, 78:526-533.
• Roelfs A P, Singh R P, Saari E E (1992). Rust Diseases of Wheat. Concepts and methods of Disease Management, Mexico, P.F.CIMMYT, pp.81.
• Sikharulidze Z, Natsarishvili K, Mgeladze L and R Dumbadze (2013). Wheat stem rust research in Georgia. BGRI Technical Workshop, 8 - 21, August, 2013, India, New Dehli, Abstract book, p.94
• Stakman E C, Stewart D M and Loeggering W Q (1962). Identification of physiologica races of Puccinia graminis var. tritici. US.Dept. Agri. ASR E617: 53pp.
• Tyryshkin L G, Klesova M A, Kovaleva M A, Lebedeva T V, Zuev E V, Brykova N, Gashimov M E (2011). Current status of bread wheat and its relatives from VIR collection study for effective resistance to fungal diseases Proceedings of 8th wheat conference, 1-4 June. Petersburg, Russia
• Tomerlin J R, El-Morshidy M A, Moseman J G, Baenziger P S and Kimber G (1984). Resistance to Erysiphe graminis f. sp. tritici, Puccinia recondita f. sp. tritici, and Septoria nodorum in wild Triticum species . Plant Dis. 68:10-13.
• Wanuera R (2008). Status and impact of Ug99 in Kenya. Procc. International Conference on wheat stem rust Ug99. p 9-11