Abstract
Three interspecific F3 hybrid clones ofSolarium tuberosum L. x 5.berthaultii Hawkes bearing both Type A and Type B glandular trichomes were assessed for resistance to the green peach aphid,Myzus persicae (Sulzer). In glasshouse trials, aphid mortality and population development on hybrid clones were similar to those on the aphid-resistant parent,S. berthaultii. Trichome exudate of the hybrid, B227-63, was as effective in aphid immobilization as that ofS. berthaultii. Field populations of the green peach aphid on hybrids were intermediate between those onS. berthaultii and susceptibleS. tuberosum cultivars.
Resumen
Tres clones F3 de hibridos interespecíficosSolarium tuberosum L. xS. berthaultii Hawkes portando tricomas glandulares de ambos Tipo A y Tipo B, fueron evaluados en cuanto a su resistencia al áfido verde del duraznero,Myzus persicae (Sulzer). En ensayos de invernadero, la mortalidad y desarrollo poblacional de áfidos sobre clones hibridos fueron similares a los del progenitor resistente,S. berthaultii. En el híbrido B 227–63, el exudado de tricomas fué tan efectivo en inamobilizar áfidos verdes del duraznero como el de S.berthaultii. Las poblaciones del áfido sobre híbridos en el campo fueron intermedias a las deS. berthaultii y el cultivarS. tuberosum susceptible.
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A publication of the Cornell University Agricultural Experiment Station, New York State College of Agriculture and Life Sciences, a Statutory College of S.U.N.Y. Received for publication July 29, 1981.
This research was supported by the Science and Education Administration, U.S. Department of Agriculture under grant number 7800454 from the Competitive Research Grants Office, a USDA Special Grant, and the International Potato Center.
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Tingey, W.M., Plaisted, R.L., Laubengayer, J.E. et al. Green peach aphid resistance by glandular trichomes inSolanum tuberosum xS. berthaultii hybrids. American Potato Journal 59, 241–251 (1982). https://doi.org/10.1007/BF02856560
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DOI: https://doi.org/10.1007/BF02856560