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Selection for resistance to potato leafhopper in potatoes. II. Progress after two cycles of phenotypic recurrent selection

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Abstract

ASolatium tuberosum L. gp.tuberosum population was subjected to 2 cycles of phenotypic recurrent selection for resistance to the potato leafhopper,Empoasca fabae (Harris), as expressed by low levels of nymph infestation. Samples of lines from the original population and from the cycle 2 population were tested for infestation levels at 2 locations for 2 years. Infestation in cycle 2 lines was 54% lower than that in lines from the original, unselected population.

Resumen

Una población deSolanum Tuberosum L. gp.Tuberosum fué sometida a dos ciclos de selección fenotífica recurrente para resistencias a cigarrita de la papa, Empoasca fabae (Harris) expresada por la baja infestación de ninfas. Muestras de la población original y de la población con 2 ciclos de selección fueron evaluados con los niveles de infestación en 2 localidades por dos años. La infestación de líneas del segundo ciclo fue 54% menor que aquellas de la población original no seleccionados.

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Authors and Affiliations

  1. Plant Genetics and Germplasm Institute, Science and Education Administration, U.S. Department of Agriculture, 20705, Beltsville, Maryland

    L. L. Sanford (Research Plant Geneticist)

  2. Japanese Beetle Laboratory, Science and Education Administration, U.S. Department of Agriculture, Ohio Agricultural Research and Development Center, 44691, Wooster, Ohio

    T. L. Ladd (Research Entomologist)

Authors
  1. L. L. Sanford
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  2. T. L. Ladd
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Sanford, L.L., Ladd, T.L. Selection for resistance to potato leafhopper in potatoes. II. Progress after two cycles of phenotypic recurrent selection. American Potato Journal 56, 541–547 (1979). https://doi.org/10.1007/BF02855969

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  • DOI: https://doi.org/10.1007/BF02855969

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