volume 1, issue 2, P163-188 1929
DOI: 10.1139/cjr29-010
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Abstract: A genetical study of resistance of wheat to black stem rust, and a plant breeding attack on the rust problem are described. A large F2 population of the cross Vernal (T. dicoccum) × Marquis (T. vulgare) was grown under severe natural epidemic conditions in the field and hundreds of F3 progenies were exposed in the seedling stage, under controlled conditions, to pure physiologic forms of rust. In the field Vernal is highly resistant and Marquis susceptible to most forms of stem rust. Resistance in the field pr…

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