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A QTL for broad-spectrum resistance to cyst nematode species (Globodera spp.) maps to a resistance gene cluster in potato

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Abstract

 Broad-spectrum resistance in potato to the potato cyst nematode (PCN) species Globodera rostochiensis and G. pallida is commonly regarded as a polygenically inherited trait. Yet, by use of QTL analysis and a selected set of PCN populations, resistance to both PCN species could be ascribed to the action of locus Grp1. Grp1 confers major resistance to G. rostochiensis line Ro5-22 and G. pallida population Pa2-D383 and partial resistance to G. pallida population Pa3-Rookmaker. Grp1 was mapped on chromosome 5 using previously characterized AFLP markers. Cleaved amplified polymorphic sequence (CAPS) markers available for RFLP loci GP21 and GP179 revealed that Grp1 maps on a genomic region harboring other resistance factors to viral, fungal and nematodal pathogens. The present data indicate that Grp1 is a compound locus which contains multiple genes involved in PCN resistance.

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Authors and Affiliations

  1. The Graduate School of Experimental Plant Sciences, Wageningen Agricultural University, Department of Nematology, P.O. Box 8123, 6700 ES Wageningen, The Netherlands Fax: 31-317-484254 E-mail: jeroen.rouppevandervoort@medew.nema.wau.nl, , , , , , NL

    J. Rouppe van der Voort, W. Lindeman, R. Folkertsma, H. Overmars & J. Bakker

  2. The Graduate School of Experimental Plant Sciences, Wageningen Agricultural University, Department of Plant Breeding, P.O. Box 386, 6700 AJ Wageningen, The Netherlands, , , , , , NL

    R. Hutten & E. Jacobsen

  3. The Graduate School of Experimental Plant Sciences, Wageningen Agricultural University, Centre for Plant Breeding and Reproduction Research, P.O. Box 16, 6700 AA Wageningen, The Netherlands, , , , , , NL

    E. van der Vossen

Authors
  1. J. Rouppe van der Voort
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  2. W. Lindeman
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  3. R. Folkertsma
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  4. R. Hutten
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  5. H. Overmars
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  6. E. van der Vossen
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  7. E. Jacobsen
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  8. J. Bakker
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Received: 10 September 1997 / Accepted: 6 October 1997

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van der Voort, J., Lindeman, W., Folkertsma, R. et al. A QTL for broad-spectrum resistance to cyst nematode species (Globodera spp.) maps to a resistance gene cluster in potato. Theor Appl Genet 96, 654–661 (1998). https://doi.org/10.1007/s001220050785

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  • DOI: https://doi.org/10.1007/s001220050785

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