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Breeding behavior of resistance to green peach aphid in tuber-bearing Solanum germplasm

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Abstract

Fifty-seven tuber-bearingSolanum progenies including species and interspecific hybrid derivatives were evaluated for resistance to green peach aphid (GPA),Myzus persicae (Sulzer), using an excised leaflet test. The progenies segregated for resistance and most contained some highly resistant clones. Resistance appeared to be partially dominant and genotype-environment interaction was low. Heritability estimates of 50–60 percent were obtained from both diploid and tetraploid populations.

Resumen

Se evaluaron cincuenta y siete progenies deSolanum tubeŕiferos incluyendo híbridos intra e interespecíficos, por resistencia al áfidoMyzus persicae (Sulzer), usando una prueba de foliolos amputados. Las progenies segregaron por resistencia y la mayoría de ellas conteńian algunos clones altamente resistentes. La resistencia pareció ser parcialmente dominante y la interacción genotipo por ambiente fue baja. Se obtuvieron estimados de heredabilidad de 50 – 60% en las poblaciones diploides y tetraploides.

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Authors and Affiliations

  1. Department of Horticultural Science, University of Minnesota, 55108, St. Paul, Minnesota

    D. W. Sams (NDEA Fellow) & F. I. Lauer (Professor)

  2. Department of Entomology, Fisheries, and Wildlife, University of Minnesota, 55108, St. Paul, Minnesota

    E. B. Radcliffe (Associate Professor)

Authors
  1. D. W. Sams
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  2. F. I. Lauer
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  3. E. B. Radcliffe
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Additional information

This research was supported in part by a National Defense Education Act Fellowship.

Scientific Journal Series Article 9092 of the Minnesota Agricultural Experiment Station.

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Sams, D.W., Lauer, F.I. & Radcliffe, E.B. Breeding behavior of resistance to green peach aphid in tuber-bearing Solanum germplasm. American Potato Journal 53, 23–29 (1976). https://doi.org/10.1007/BF02854088

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  • DOI: https://doi.org/10.1007/BF02854088

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