Effects of elevated carbon dioxide and ozone on volatile terpenoid emissions and multitrophic communication of transgenic insecticidal oilseed rape (Brassica napus)

Does transgenically incorporated insect resistance affect constitutive and herbivore-inducible terpenoid emissions and multitrophic communication under elevated atmospheric CO(2) or ozone (O(3))? This study aimed to clarify the possible interactions between allocation to direct defences (Bacillus th...

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Veröffentlicht in:The New phytologist. - 1990. - 181(2009), 1 vom: 01., Seite 174-186
1. Verfasser: Himanen, Sari J (VerfasserIn)
Weitere Verfasser: Nerg, Anne-Marja, Nissinen, Anne, Pinto, Delia M, Stewart, C Neal Jr, Poppy, Guy M, Holopainen, Jarmo K
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2009
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Oils, Volatile Terpenes Carbon Dioxide 142M471B3J Ozone 66H7ZZK23N
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245 1 0 |a Effects of elevated carbon dioxide and ozone on volatile terpenoid emissions and multitrophic communication of transgenic insecticidal oilseed rape (Brassica napus) 
264 1 |c 2009 
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500 |a Date Revised 30.09.2020 
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500 |a CommentIn: Plant Signal Behav. 2009 Mar;4(3):249-51. doi: 10.4161/psb.4.3.7958. - PMID 19721765 
500 |a Citation Status MEDLINE 
520 |a Does transgenically incorporated insect resistance affect constitutive and herbivore-inducible terpenoid emissions and multitrophic communication under elevated atmospheric CO(2) or ozone (O(3))? This study aimed to clarify the possible interactions between allocation to direct defences (Bacillus thuringiensis (Bt) toxin production) and that to endogenous indirect defences under future climatic conditions. Terpenoid emissions were measured from vegetative-stage non-Bt and Bt Brassica napus grown in growth chambers under control or doubled CO(2), and control (filtered air) or 100 ppb O(3). The olfactometric orientation of Cotesia vestalis, an endoparasitoid of the herbivorous diamondback moth (Plutella xylostella), was assessed under the corresponding CO(2) and O(3) concentrations. The response of terpenoid emission to CO(2) or O(3) elevations was equivalent for Bt and non-Bt plants, but lower target herbivory reduced herbivore-inducible emissions from Bt plants. Elevated CO(2) increased emissions of most terpenoids, whereas O(3) reduced total terpenoid emissions. Cotesia vestalis orientated to host-damaged plants independent of plant type or CO(2) concentration. Under elevated O(3), host-damaged non-Bt plants attracted 75% of the parasitoids, but only 36.8% of parasitoids orientated to host-damaged Bt plants. Elevated O(3) has the potential to perturb specialized food-web communication in Bt crops 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Research Support, U.S. Gov't, Non-P.H.S. 
650 7 |a Oils, Volatile  |2 NLM 
650 7 |a Terpenes  |2 NLM 
650 7 |a Carbon Dioxide  |2 NLM 
650 7 |a 142M471B3J  |2 NLM 
650 7 |a Ozone  |2 NLM 
650 7 |a 66H7ZZK23N  |2 NLM 
700 1 |a Nerg, Anne-Marja  |e verfasserin  |4 aut 
700 1 |a Nissinen, Anne  |e verfasserin  |4 aut 
700 1 |a Pinto, Delia M  |e verfasserin  |4 aut 
700 1 |a Stewart, C Neal  |c Jr  |e verfasserin  |4 aut 
700 1 |a Poppy, Guy M  |e verfasserin  |4 aut 
700 1 |a Holopainen, Jarmo K  |e verfasserin  |4 aut 
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