Transfer of rust resistance genes from Triticum species to common wheat

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dc.contributor.authorMarais G.F.
dc.contributor.authorPretorius Z.A.
dc.contributor.authorMarais A.S.
dc.contributor.authorWellings C.R.
dc.date.accessioned2011-05-15T15:55:05Z
dc.date.available2011-05-15T15:55:05Z
dc.date.issued2003
dc.description.abstractA programme aiming to transfer leaf rust resistance genes identified in a collection of wild Triticum species was initiated in 1993. In 2000, 25 promising backcross populations were available, 19 of which bred true for resistance. Seedlings of the above lines were tested with nine leaf rust, four stem rust and two stripe rust pathotypes endemic to South Africa. A subset of five lines in which resistance (derived from T. dicoccoides, T. sharonense, T. speltoides and T. peregrinum) appeared to be integrated on wheat chromosomes and six addition lines with added chromosomes from T. kotschyi, T. peregrinum, T. umbellulatum, T. macrochaetum and T. neglectum appeared to have wide spectrum resistances, and were retained. In several instances promising stem rust and/or stripe rust resistance genes were co-transferred with leaf rust resistance. The stripe rust resistance was also effective to four Australian pathotypes and appeared to be novel. Temporary gene designations were assigned to the resistance genes in four euploid derivatives.
dc.description.versionArticle
dc.identifier.citationSouth African Journal of Plant and Soil
dc.identifier.citation20
dc.identifier.citation4
dc.identifier.issn2571862
dc.identifier.urihttp://hdl.handle.net/10019.1/9573
dc.subjectbiological control
dc.subjectdisease resistance
dc.subjecthybridization
dc.subjectrust disease
dc.subjectPuccinia
dc.subjectPuccinia graminis
dc.subjectPuccinia striiformis
dc.subjectPuccinia triticina
dc.subjectTriticum
dc.subjectTriticum aestivum
dc.titleTransfer of rust resistance genes from Triticum species to common wheat
dc.typeArticle
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