American Potato Journal

, Volume 52, Issue 6, pp 175–177 | Cite as

Progress report: Resistance to the Colorado potato beetle and potato leafhopper inSolanum tuberosum subsp.andigena

  • J. M. Schalk
  • R. L. Plaisted
  • L. L. Sanford


An extensive collection of 1527 clones ofS. tuberosum subsp.andigena was screened in 1973 in unreplicated plots to test for resistance to the Colorado potato beetle and potato leafhopper. All clones were susceptible to the beetle. Of 17 clones selected in the 1973 tests for resistance to the potato leafhopper, 7 selections were significantly more resistant than the control (Katahdin) in a replicated experiment in 1974.


Una gran colección de 1527 clones de Solanum tuberosum subsp.andigena fué ensayada en 1973, en parcelas sin repeticiones, para estudiar su resistencia al escarabajo de Colorado y al saltahojas de la papa. Todos los clones fueron susceptibles al escarabajo de Colorado. De 17 clones seleccionados en las pruebas de 1973, por poseer resistencia al saltahojas de la papa, 7 selecciones fueron significativamente más resistentes que el testigo (Katahdin) en un experimente con repeticiones en 1974.


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Copyright information

© Springer 1975

Authors and Affiliations

  • J. M. Schalk
    • 1
  • R. L. Plaisted
    • 2
  • L. L. Sanford
    • 1
  1. 1.Vegetable Laboratory, Plant Genetics and Germplasm Institute, Northeastern Region, Agricultural Research ServiceU.S. Department of AgricultureBeltsville
  2. 2.Department of Plant Breeding and BiometryCornell UniversityIthaca

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