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. 2010 Feb 26;73(2):267-9.
doi: 10.1021/np900630w.

Butenolides From Plant-Derived Smoke: Natural Plant-Growth Regulators With Antagonistic Actions on Seed Germination

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Butenolides From Plant-Derived Smoke: Natural Plant-Growth Regulators With Antagonistic Actions on Seed Germination

Marnie E Light et al. J Nat Prod. .

Abstract

Smoke plays an intriguing role in promoting the germination of seeds of many species following a fire. Recently, a bicyclic compound containing a condensed butenolide moiety, 3-methyl-2H-furo[2,3-c]pyran-2-one (1), was reported as a potent germination promoter from plant-derived smoke. In this study, a related butenolide, 3,4,5-trimethylfuran-2(5H)-one (2), which inhibits germination and significantly reduces the effect of 1 when applied simultaneously, was also isolated from plant-derived smoke. The interaction of these compounds with opposing actions on seed germination may have important ecological implications in a post-fire environment and could be useful molecules for understanding the events involved in breaking seed dormancy and promoting seed germination.

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