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| Content Provider | Springer Nature Link |
|---|---|
| Author | Klaiber, J. Dorn, S. Najar Rodriguez, A. J. |
| Copyright Year | 2013 |
| Abstract | Plants growing under elevated CO$_{2}$ concentration may acclimate by modifying chemical traits. Most studies have focused on the effects of environmental change on plant growth and productivity. Potential effects on chemical traits involved in resistance, and the consequences of such effects on plant-insect interactions, have been largely neglected. Here, we evaluated the performance of two Brassica specialist herbivores from contrasting feeding guilds, the leaf-feeding Pieris brassicae and the phloem-feeding Brevicoryne brassicae, in response to potential CO$_{2}$-mediated changes in primary and major secondary metabolites (glucosinolates) in Brassica oleracea. Plants were exposed to either ambient (400 ppm) or elevated (800 ppm) CO$_{2}$ concentrations for 2, 6, or 10 weeks. Elevated CO$_{2}$ did not affect primary metabolites, but significantly increased glucosinolate content. The performance of both herbivores was significantly reduced under elevated CO$_{2}$ suggesting that CO$_{2}$-mediated increases in constitutive defense chemistry could benefit plants. However, plants with up-regulated defenses could also be subjected to intensified herbivory by some specialized herbivores, due to a chemically-mediated phagostimulatory effect, as documented here for P. brassicae larvae. Our results highlight the importance of understanding acclimation and responses of plants to the predicted increases in atmospheric CO$_{2}$ concentrations and the concomitant effects of these responses on the chemically-mediated interactions between plants and specialized herbivores. |
| Starting Page | 653 |
| Ending Page | 665 |
| Page Count | 13 |
| File Format | |
| ISSN | 00980331 |
| Journal | Journal of Chemical Ecology |
| Volume Number | 39 |
| Issue Number | 5 |
| e-ISSN | 15731561 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2013-04-23 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Plant-insect interactions Brassica oleracea Brevicoryne brassicae Pieris brassicae metabolites Bottom-up effects Ecology Biochemistry Entomology Biological Microscopy Agriculture |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine Biochemistry Ecology, Evolution, Behavior and Systematics |
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