1983•Zeitschrift für Naturforschung COpen access

The phytoalexin response of lathyrus sativus (grass pea)

David J. Robeson, Jeffrey B. Harborne

Abstract

Lathyrus sativus was investigated for the nature of its phytoalexin response with the result that leaflets, immature pods, and seeds were induced to produce 6a-hydroxy- 3-methoxy-8,9-methylenedioxypterocarpan (pisatin). Evidence is presented for the metabolism of pisatin, by the wound pathogen Botrytis cinerea, to a phenolic congener, 3,6a-hydroxy-8,9-methylenedioxypterocarpan

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Key concepts: Lathyrus, Phytoalexin, Botrytis cinerea, Botany, Biology, Botrytis, Pathogen, Microbiology