Sr46

Data courtesy of Tom Fetch

Breeder's Toolbox

Ug99 Effectiveness:
-Virulence for the gene is known to occur in other races
-Not tested for resistance to Ug99 in field trials to determine effectiveness
Source: RustTracker.org
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Genetic mapping of Sr46 placed this Ae. tauschii-derived stem rust resistance gene on chromosome 2DS (Lagudah unpublished). Ae. tauschii accessions with Sr46 are resistant to TTKSK in seedling tests (Rouse et al. 2011), but other characteristics of this gene have not been extensively documented.
Source: Mike Pumphrey, BGRI 2012 Presentation: Stocking the Breeder's Toolbox