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On the influence of extra R-genes on the resistance of the potato to the corresponding P-races1) ofPhytophthora infestans

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A study was made on the possible influence of extraR 3-genes on the resistance to the physiologic racep 3 (=(3)) ofPhythophthora infestans. The data allowed of the conclusion that such an influence could be small only, not exceeding small differences in the average degree of field resistance existing between the groups of simplex, duplex and triplex plants.

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Literature cited

  1. FerrisV. R., Histological study of pathogen-suscept relationships betweenPhythophthora infestans and derivatives ofSolanum demissum. Phytopathology 45 (1955): 546–552.

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  2. ToxopeusH. J., Reflections on the origin of new physiologic races inPhytophthora infestans and the breeding for resistance in potatoes. Euphytica 5 (1956): 221–237.

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  1. Institute of Agricultural Plant Breeding, Wageningen

    H. J. Toxopeus

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  1. H. J. Toxopeus
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Toxopeus, H.J. On the influence of extra R-genes on the resistance of the potato to the corresponding P-races1) ofPhytophthora infestans . Euphytica 6, 106–110 (1957). https://doi.org/10.1007/BF00729881

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  • DOI: https://doi.org/10.1007/BF00729881

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