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A multiple resistance locus on chromosome arm 3BS in wheat confers resistance to stem rust (Sr2), leaf rust (Lr27) and powdery mildew


Mago, R; Tabe, L; McIntosh, R A; Pretorius, Z; Kota, R; Paux, E; Wicker, T; Breen, J; Lagudah, E S; Ellis, J G; Spielmeyer, W (2011). A multiple resistance locus on chromosome arm 3BS in wheat confers resistance to stem rust (Sr2), leaf rust (Lr27) and powdery mildew. Theoretical and Applied Genetics, 123(4):615-623.

Abstract

Sr2 is the only known durable, race non-specific adult plant stem rust resistance gene in wheat. The Sr2 gene was shown to be tightly linked to the leaf rust resistance gene Lr27 and to powdery mildew resistance. An analysis of recombinants and mutants suggests that a single gene on chromosome arm 3BS may be responsible for resistance to these three fungal pathogens. The resistance functions of the Sr2 locus are compared and contrasted with those of the adult plant resistance gene Lr34.

Sr2 is the only known durable, race non-specific adult plant stem rust resistance gene in wheat. The Sr2 gene was shown to be tightly linked to the leaf rust resistance gene Lr27 and to powdery mildew resistance. An analysis of recombinants and mutants suggests that a single gene on chromosome arm 3BS may be responsible for resistance to these three fungal pathogens. The resistance functions of the Sr2 locus are compared and contrasted with those of the adult plant resistance gene Lr34.

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Additional indexing

Contributors:CSIRO Plant Industry, Canberra 2601, Australia.
Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Department of Plant and Microbial Biology
Dewey Decimal Classification:580 Plants (Botany)
Language:English
Date:August 2011
Deposited On:03 Jan 2012 15:25
Last Modified:05 Apr 2016 15:18
Publisher:Springer
ISSN:0040-5752
Publisher DOI:https://doi.org/10.1007/s00122-011-1611-y
PubMed ID:21573954
Permanent URL: https://doi.org/10.5167/uzh-53878

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