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Effect of elevated atmospheric carbon dioxide on the allelopathic potential of common ragweed

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Authors
Bae, Jichul; Byun, Chaeho; Ahn, Yun Gyong; Choi, Jung Hyun; Lee, Dowon; Kang, Hojeong
Issue Date
2019-05-22
Publisher
BioMed Central
Citation
Journal of Ecology and Environment. 43(1):21
Keywords
AllelopathyAmbrosia artemisiifolia var. elatiorMonoterpeneSesquiterpeneCO2 elevation
Abstract
Background
Allelopathy has been suggested as one potential mechanism facilitating the successful colonisation and expansion of invasive plants. The impacts of the ongoing elevation in atmospheric carbon dioxide (CO2) on the production of allelochemicals by invasive species are of great importance because they play a potential role in promoting biological invasion at the global scale. Common ragweed (Ambrosia artemisiifolia var. elatior), one of the most notorious invasive exotic plant species, was used to assess changes in foliar mono- and sesquiterpene production in response to CO2 elevation (389.12 ± 2.55 vs. 802.08 ± 2.69 ppm).

Results
The plant growth of common ragweed significantly increased in elevated CO2. The major monoterpenes in the essential oil extracted from common ragweed leaves were β-myrcene, dl-limonene and 1,3,6-octatriene, and the major sesquiterpenes were β-caryophyllene and germacrene-D. The concentrations of 1,3,6-octatriene (258%) and β-caryophyllene (421%) significantly increased with CO2 elevation.

Conclusions
These findings improve our understanding of how allelochemicals in common ragweed respond to CO2 elevation.
ISSN
2288-1220
Language
English
URI
http://hdl.handle.net/10371/156026
DOI
https://doi.org/10.1186/s41610-019-0116-5
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College of Medicine/School of Medicine (의과대학/대학원)Internal Medicine (내과학전공)Journal Papers (저널논문_내과학전공)
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