Canadian Journal of Botany - Revue Canadienne de Botanique (1996) 74, 315-317

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Boung-Jun Oh, Richard A. Frederiksen and Clint W. Magill (1996)
Identification of RFLP markers linked to a gene for downy mildew resistance (Sdm) in sorghum
Canadian Journal of Botany - Revue Canadienne de Botanique 74 (2), 315-317
Abstract: The Sdm locus in sorghum accession SC325 confers resistance to downy mildew caused by pathotypes 1 and 3 of Peronosclerospora sorghi. Restriction fragment length polymorphism linkage analysis placed the Sdm locus near loci detected by probes pSbTXS552 and pSbTXS361 at 5.0 and 7.9 cM, respectively. Fragment patterns for the cross segregating for disease resistance differed from those for the original mapping cross, preventing assignment of Sdm to a linkage group.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Link to article at publishers website
Database assignments for author(s): Clint Magill

Research topic(s) for pests/diseases/weeds:
resistance/tolerance/defence of host


Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.


Peronosclerospora sorghi Sorghum (crop) U.S.A. (mid S)