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Cyto genetic studies in wheat 12. lr 28 for resistance to puccinia recondita and sr 34 for resistance to puccinia graminis tritici

Mcintosh, R.A.; Miller, T.E.; Chapman, V.

Zeitschrift fuer Pflanzenzuechtung 89(4): 295-306

1982

Accession: 005081973
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Two of the 5 independently-derived wheat lines possessing Yr8 for resistance to P. striiformis from Aegilops comosa also possess resistance of P. recondita. The single gene, Lr28, in 1 of these 2 lines was located in chromosome 4BL and showed recombination of 39.2 .+-. 2.7% with the centromere. Lr28 was apparently derived from A. speltoides used to disrupt the diploid pairing of wheat during the transfer of Yr8 to wheat chromosomes 2A or 2D. Lr28 is not present in alien addition and substitution lines possessing a pair of 2M chromosomes from A. comosa. Virulence in P. recondita populations for Lr28 has been found in Australia and North America. Alien addition and substitution lines with a pair of 2M chromosomes and various translocation derivatives possessing Yr8 also possess Sr34 for resistance to P. graminis tritici. Hence, Sr34 is sufficiently close to Yr8 in chromosome 2M to be concurrently transferred during translocation events. Sr34 conferred resistance to few Australian field cultures of this pathogen.

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Related References

Mcintosh, R.; Miller, T.1; Chapman, V. 1982: Cytogenetical studies in wheat. XII. Lr28 for resistance to Puccinia recondita and Sr34 for resistance to Puccinia graminis tritici Triticum aestivum, rusts Zeitschrift fur Pflanzenzuchtung = Journal of plant breeding 89(4): 295-306
Pasquini, M. 1980: Disease resistance in wheat 2. behavior of aegilops species with respect to puccinia recondita f sp tritici puccinia graminis f sp tritici and erysiphe graminis f sp tritici Genetica Agraria 34(1-2): 133-148
Pasquini, M. 1980: Disease resistance in wheat. II. Behaviour of Aegilops species with respect to Puccinia recondita f. sp. tritici, Puccinia graminis f.sp. tritici and Erysiphe graminis f. sp. tritici Genetica Agraria 34: 133-148
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K"rzhin K.; Gospodinova, E. 1981: New winter bread wheat lines with combined resistance to puccinia graminis tritici and puccinia recondita tritici developed in the institute of plant protection kostinbrod bulgaria Rasteniev'dni Nauki 18(2): 108-113
McIntosh, R.A.; Miller, T.E.; Chapman, V. 1982: Cytogenetical studies in wheat. XII. Lr28 for resistance to Puccinia recondita and Sr34 for resistance to P. graminis tritici Zeitschrift fur Pflanzenzuchtung 89(4): 295-306
Mcintosh, R.A.; Dyck, P.L.; The, T.T.; Cusick, J.; Milne, D.L. 1984: Cyto genetic studies in wheat 13. sr 35 a 3rd gene from triticum monococcum for resistance to puccinia graminis tritici Zeitschrift fuer Pflanzenzuechtung 92(1): 1-14
Dyck, P.L.; Samborski, D.J.; Martens, J.W. 1985: Inheritance of resistance to leaf rust puccinia recondita f sp tritici and stem rust puccinia graminis f sp tritici in the wheat triticum aestivum cultivar glenlea Canadian Journal of Plant Pathology 7(4): 351-354
Kolev, D.; Doncev, N.; Kunovski, Z.; Dimov, A. 1970: Studies on the resistance of some wheat-rye amphidiploids and some wheat-rye hybrids to Puccinia graminis, P. recondita, Erysiphe graminis and Ustilago tritici Genetika i Selekcija (Genet. & Breed.)/Genet. & Pl. Breed., Sofia 3: 199-212
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Parodi, P. 1965: Common names for the wheat rust fungi Puccinia graminis f. sp. tritici Eriks. and Henn., Puccinia recondita f.sp. tritici Rob. ex Desm. and Puccinia striiformis West Agr Tec chile 25(4): 175
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