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Genotype × environment interaction for resistance to the white potato cyst nematode (Globodera pallida, pathotype E) in Solanum vernei x S. Tuberosum hybrids

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Summary

The standard root-ball test for assessing quantitative resistance of Globodera pallida in host material derived from Solanum vernei has produced variable results. This study of two sets of clones shows that genotype x environment interactions are responsible and that linear regressions (b) of phenotypic means on environments may enable good predictions to be made of the effects of the interactions. A relationship between the regression value (b) and phenotypic mean is shown for this material. The implication of this for a screening procedure in a potato breeding programme aimed at increasing potato cyst nematode resistance in adapted cultivars of S. tuberosum is discussed.

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Authors and Affiliations

  1. Seottish Plant Breeding Station, Pentlandfield, EH25 9RF, Roslin, Midlothian, Scotland

    M. S. Phillips, J. M. S. Forrest & A. M. Hayter

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  1. M. S. Phillips
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  2. J. M. S. Forrest
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  3. A. M. Hayter
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Phillips, M.S., Forrest, J.M.S. & Hayter, A.M. Genotype × environment interaction for resistance to the white potato cyst nematode (Globodera pallida, pathotype E) in Solanum vernei x S. Tuberosum hybrids. Euphytica 28, 515–519 (1979). https://doi.org/10.1007/BF00056612

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  • DOI: https://doi.org/10.1007/BF00056612

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