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Glycoalkaloids of Solanum Series Megistacrolobum and related potato cultigens
Johns, Timothy; Osman, Stanley F.
Johns, Timothy; Osman, Stanley F.
1986-11-05
Citation:Johns, Timothy, Osman, Stanley F. (1986/11/05)."Glycoalkaloids of Solanum Series Megistacrolobum and related potato cultigens." Biochemical Systematics and Ecology 14(6): 651-655. <http://hdl.handle.net/2027.42/25984>
Abstract: Glycoalkaloids were used as evidence of the affinities of nine taxa of Solanum Series Megistacrolobum and related potato cultigens from western Bolivia. S. boliviense, S. sanctae-rosae and S. toralapanum contain the commertetraose sugar moiety and appear to represent a relatively wild group within the Series. S. megistacrolobum, S. sogarandinum and S. raphanifolium show anomolous glycoalkaloid profiles that probably reflect hybridization associated with human disturbance. Primitive forms of the S. [chi] ajanhuiri cultigen are indistinguishable chemicaliy from conspecific weeds that were previously classified as S. megistacrolobum. Variation in total glycoalkaloid content within Series Megistacrolobum likely reflects direct selection by humans for reduced glycoalkaloid levels during the domestication process.