Journal article
Effects of a butenolide present in smoke on light-mediated germination of Australian Asteraceae
Seed Science Research, Vol.16(1), pp.29-35
2006
Abstract
This study investigated the effects of 3-methyl-2H-furo[2,3-c]pyran-2-one, a germination active butenolide present in plant-derived smoke, gibberellic acid and smoke water on seeds of Australian Asteraceae exposed to different light regimes. Seeds of all species required light, with maximum germination occurring under white light, or light dominated by 640 nm. Compared to untreated seeds, butenolide increased germination of Angianthus tomentosus, Gnephosis tenuissima, Myriocephalus guerinae, Podolepis canescens and Rhodanthe citrina at suboptimal light wavelengths and in the dark to a level equal to, or greater than, smoke water. Germination of Erymophyllum glossanthus and Gnephosis acicularis was not promoted by butenolide or smoke water under any light regime. The action of gibberellic acid was compared to that of butenolide for three species (Angianthus tomentosus, Myriocephalus guerinae and Podolepis canescens), and both compounds were found to stimulate germination. This study provides evidence that butenolide can act in a similar fashion as gibberellic acid in promoting seed germination of light-sensitive seeds. The ecological significance of these findings is discussed.
Details
- Title
- Effects of a butenolide present in smoke on light-mediated germination of Australian Asteraceae
- Authors/Creators
- D.J. Merritt (Author/Creator)M. Kristiansen (Author/Creator)G.R. Flematti (Author/Creator)S.R. Turner (Author/Creator)E.L. Ghisalberti (Author/Creator)R.D. Trengove (Author/Creator)K.W. Dixon (Author/Creator)
- Publication Details
- Seed Science Research, Vol.16(1), pp.29-35
- Publisher
- Cambridge University Press
- Identifiers
- 991005542644907891
- Copyright
- 2006 CUP
- Murdoch Affiliation
- School of Engineering Science
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
- Domestic collaboration
- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.40 Forestry
- 3.40.86 Plant Communities
- Web Of Science research areas
- Plant Sciences
- ESI research areas
- Plant & Animal Science