Complex consequences of herbivory and interplant cues in three annual plants.
Information exchange (or signaling) between plants following herbivore damage has recently been shown to affect plant responses to herbivory in relatively simple natural systems. In a large, manipulative field study using three annual plant species (Achyrachaena mollis, Lupinus nanus, and Sinapis ar...
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Public Library of Science (PLoS)
2012
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oai:doaj.org-article:116de111aebc43e8ba8495b898e6b2c42021-11-18T07:16:48ZComplex consequences of herbivory and interplant cues in three annual plants.1932-620310.1371/journal.pone.0038105https://doaj.org/article/116de111aebc43e8ba8495b898e6b2c42012-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22675439/?tool=EBIhttps://doaj.org/toc/1932-6203Information exchange (or signaling) between plants following herbivore damage has recently been shown to affect plant responses to herbivory in relatively simple natural systems. In a large, manipulative field study using three annual plant species (Achyrachaena mollis, Lupinus nanus, and Sinapis arvensis), we tested whether experimental damage to a neighboring conspecific affected a plant's lifetime fitness and interactions with herbivores. By manipulating relatedness between plants, we assessed whether genetic relatedness of neighboring individuals influenced the outcome of having a damaged neighbor. Additionally, in laboratory feeding assays, we assessed whether damage to a neighboring plant specifically affected palatability to a generalist herbivore and, for S. arvensis, a specialist herbivore. Our study suggested a high level of contingency in the outcomes of plant signaling. For example, in the field, damaging a neighbor resulted in greater herbivory to A. mollis, but only when the damaged neighbor was a close relative. Similarly, in laboratory trials, the palatability of S. arvensis to a generalist herbivore increased after the plant was exposed to a damaged neighbor, while palatability to a specialist herbivore decreased. Across all species, damage to a neighbor resulted in decreased lifetime fitness, but only if neighbors were closely related. These results suggest that the outcomes of plant signaling within multi-species neighborhoods may be far more context-specific than has been previously shown. In particular, our study shows that herbivore interactions and signaling between plants are contingent on the genetic relationship between neighboring plants. Many factors affect the outcomes of plant signaling, and studies that clarify these factors will be necessary in order to assess the role of plant information exchange about herbivory in natural systems.Ian S PearseLauren M PorenskyLouie H YangMaureen L StantonRichard KarbanLisa BhattacharyyaRosa CoxKarin DoveAugust HigginsCorrina KamoroffTravis KirkChristopher KnightRebecca KochCorwin ParkerHilary RollinsKelsey TannerPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 7, Iss 5, p e38105 (2012) |
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DOAJ |
| language |
EN |
| topic |
Medicine R Science Q |
| spellingShingle |
Medicine R Science Q Ian S Pearse Lauren M Porensky Louie H Yang Maureen L Stanton Richard Karban Lisa Bhattacharyya Rosa Cox Karin Dove August Higgins Corrina Kamoroff Travis Kirk Christopher Knight Rebecca Koch Corwin Parker Hilary Rollins Kelsey Tanner Complex consequences of herbivory and interplant cues in three annual plants. |
| description |
Information exchange (or signaling) between plants following herbivore damage has recently been shown to affect plant responses to herbivory in relatively simple natural systems. In a large, manipulative field study using three annual plant species (Achyrachaena mollis, Lupinus nanus, and Sinapis arvensis), we tested whether experimental damage to a neighboring conspecific affected a plant's lifetime fitness and interactions with herbivores. By manipulating relatedness between plants, we assessed whether genetic relatedness of neighboring individuals influenced the outcome of having a damaged neighbor. Additionally, in laboratory feeding assays, we assessed whether damage to a neighboring plant specifically affected palatability to a generalist herbivore and, for S. arvensis, a specialist herbivore. Our study suggested a high level of contingency in the outcomes of plant signaling. For example, in the field, damaging a neighbor resulted in greater herbivory to A. mollis, but only when the damaged neighbor was a close relative. Similarly, in laboratory trials, the palatability of S. arvensis to a generalist herbivore increased after the plant was exposed to a damaged neighbor, while palatability to a specialist herbivore decreased. Across all species, damage to a neighbor resulted in decreased lifetime fitness, but only if neighbors were closely related. These results suggest that the outcomes of plant signaling within multi-species neighborhoods may be far more context-specific than has been previously shown. In particular, our study shows that herbivore interactions and signaling between plants are contingent on the genetic relationship between neighboring plants. Many factors affect the outcomes of plant signaling, and studies that clarify these factors will be necessary in order to assess the role of plant information exchange about herbivory in natural systems. |
| format |
article |
| author |
Ian S Pearse Lauren M Porensky Louie H Yang Maureen L Stanton Richard Karban Lisa Bhattacharyya Rosa Cox Karin Dove August Higgins Corrina Kamoroff Travis Kirk Christopher Knight Rebecca Koch Corwin Parker Hilary Rollins Kelsey Tanner |
| author_facet |
Ian S Pearse Lauren M Porensky Louie H Yang Maureen L Stanton Richard Karban Lisa Bhattacharyya Rosa Cox Karin Dove August Higgins Corrina Kamoroff Travis Kirk Christopher Knight Rebecca Koch Corwin Parker Hilary Rollins Kelsey Tanner |
| author_sort |
Ian S Pearse |
| title |
Complex consequences of herbivory and interplant cues in three annual plants. |
| title_short |
Complex consequences of herbivory and interplant cues in three annual plants. |
| title_full |
Complex consequences of herbivory and interplant cues in three annual plants. |
| title_fullStr |
Complex consequences of herbivory and interplant cues in three annual plants. |
| title_full_unstemmed |
Complex consequences of herbivory and interplant cues in three annual plants. |
| title_sort |
complex consequences of herbivory and interplant cues in three annual plants. |
| publisher |
Public Library of Science (PLoS) |
| publishDate |
2012 |
| url |
https://doaj.org/article/116de111aebc43e8ba8495b898e6b2c4 |
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