Arid
DOI10.1007/s00442-018-4225-0
High levels of abiotic noise in volatile organic compounds released by a desert perennial: implications for the evolution and ecology of airborne chemical communication
Wilson, J. Keaton1; Woods, H. Arthur2; Kessler, Andre3
通讯作者Wilson, J. Keaton
来源期刊OECOLOGIA
ISSN0029-8549
EISSN1432-1939
出版年2018
卷号188期号:2页码:367-379
英文摘要

Plants release airborne volatile organic compounds (VOCs) in response to abiotic and biotic stimuli, including herbivory. These chemicals are used by insect parasitoids as sources of information that aid in finding hosts. It is unclear how biotic and abiotic factors interact to affect blend composition and the ability of insects to interpret signals. Here, we present a novel stimulus-space model, and use it to examine patterns of VOC emission. In field experiments, we manipulated herbivory levels and collected VOCs in a population of wild Datura wrightii, while simultaneously measuring key abiotic factors. We mirrored field experiments under controlled conditions in the lab, and used both sets of data to test predictions made by our proposed model. VOC blends were structured mainly by variation in abiotic factors, not herbivory. However, linear discriminant analysis showed that it is possible to distinguish different herbivory levels. We show that most compounds produced by D. wrightii are invariant, or respond solely to environmental variation or herbivory. Our results suggest that blend composition may be under selection for noise reduction, to maximize responses from potential receivers, and that abiotic variation can act as potentially strong sources of noise in chemical communication displays.


英文关键词VOCs Chemical communication Datura Manduca
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000445426400004
WOS关键词INDUCED PLANT VOLATILES ; MANDUCA-SEXTA ; HERBIVORE ; EMISSIONS ; PARASITOIDS ; TRANSPIRATION ; INDUCTION ; RESPONSES ; DROUGHT ; ENEMIES
WOS类目Ecology
WOS研究方向Environmental Sciences & Ecology
来源机构University of Arizona
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/211877
作者单位1.Univ Arizona, Dept Entomol, 1040 E 4th St,POB 210077, Tucson, AZ 85721 USA;
2.Univ Montana, Organismal Biol Ecol & Evolut, 32 Campus Dr HS104, Missoula, MT 59812 USA;
3.Cornell Univ, Dept Ecol & Evolutionary Biol, 445 Corson Hall, Ithaca, NY 14853 USA
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Wilson, J. Keaton,Woods, H. Arthur,Kessler, Andre. High levels of abiotic noise in volatile organic compounds released by a desert perennial: implications for the evolution and ecology of airborne chemical communication[J]. University of Arizona,2018,188(2):367-379.
APA Wilson, J. Keaton,Woods, H. Arthur,&Kessler, Andre.(2018).High levels of abiotic noise in volatile organic compounds released by a desert perennial: implications for the evolution and ecology of airborne chemical communication.OECOLOGIA,188(2),367-379.
MLA Wilson, J. Keaton,et al."High levels of abiotic noise in volatile organic compounds released by a desert perennial: implications for the evolution and ecology of airborne chemical communication".OECOLOGIA 188.2(2018):367-379.
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