Isolation and Structural Identification of a Germination Inhibitor in Fire-Recruiters From the California Chaparral

L.M. Egerton-Warburton, Emilio Ghisalberti

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

A role for inhibitors as regulators of seed dormancy in fire-dependent annuals and their nondormant (fire-independent) congeners was examined in the family Hydrophyllaceae. From seeds of the fire-dependent species, Emmenanthe penduliflora, Phacelia minor, P. brachyloba, and P. grandiflora. extracts were obtained that were found to be largely self-inhibitory and potent inhibitors of seed germination in nondormant congeners. Lower activity was detected in the fire-independent species, P. tanacetifolia and P campanularia. The inhibitory activity was associated with the new sucrose ester, 6-O-linoleyl-alpha -D-glucopyranosyl-beta -D-fructofuranoside.
Original languageEnglish
Pages (from-to)371-382
JournalJournal of Chemical Ecology
Volume27
Issue numbern/a
DOIs
Publication statusPublished - 2001

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