Isolate specificity of quantitative trait loci for partial resistance of barley to Puccinia hordei confirmed in mapping populations and near-isogenic lines.

@article{Marcel2008IsolateSO,
  title={Isolate specificity of quantitative trait loci for partial resistance of barley to Puccinia hordei confirmed in mapping populations and near-isogenic lines.},
  author={Thierry C. Marcel and Beno{\^i}t Gorguet and Minh Truong Ta and Zuzana Kohutova and Anton Vels and Rients E Niks},
  journal={The New phytologist},
  year={2008},
  volume={177 3},
  pages={
          743-55
        }
}
Partial resistance is considered race-nonspecific and durable, consistent with the concept of 'horizontal' resistance. However, detailed observations of partial resistance to leaf rust (Puccinia hordei) in barley (Hordeum vulgare) revealed small cultivar x isolate interactions, suggesting a minor-gene-for-minor-gene interaction model, similar to so-called 'vertical' resistance. Three consistent quantitative trait loci (QTLs), labelled Rphq2, Rphq3 and Rphq4, that were detected in the cross… CONTINUE READING

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