Molecular mapping and allelic relationships of Russian wheat aphid-resistance genes.

From: Crop Science | Date: November 1, 2005| Author: Liu, X.M.; Smith, C.M.; Friebe, B.R.; Gill, B.S. | Copyright information

The Russian wheat aphid (RWA), Diuraphis noxia (Mordvilko), is a serious economic pest of wheat (Triticum aestivum L.) worldwide. Although resistant wheat cultivars provide good control of RWA, genetic characterization is critical to the continual use of aphid-resistance genes. The objective of this study was to determine the chromosome location and the genetic relationships of the RWA-resistance genes Dn1, Dn2, Dn4, Dn5, Dn6, Dnx, and several uncharacterized Dn genes. Molecular mapping dem...

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