| Title: | Risk of herbivory negatively correlates with the diversity of volatile emissions involved in plant communication |
| Author(s): | Grof-Tisza P; Karban R; Rasheed MU; Saunier A; Blande JD; |
| Address: | "Department of Environmental and Biological Sciences, University of Eastern Finland, PO Box 1627, Kuopio 70211, Finland. Department of Entomology and Nematology, University of California, 1 Shields Avenue, Davis, CA 95616, USA" |
| ISSN/ISBN: | 1471-2954 (Electronic) 0962-8452 (Print) 0962-8452 (Linking) |
| Abstract: | "Plant-to-plant volatile-mediated communication and subsequent induced resistance to insect herbivores is common. Less clear is the adaptive significance of these interactions; what selective mechanisms favour plant communication and what conditions allow individuals to benefit by both emitting and responding to cues? We explored the predictions of two non-exclusive hypotheses to explain why plants might emit cues, the kin selection hypothesis (KSH) and the mutual benefit hypothesis (MBH). We examined 15 populations of sagebrush that experience a range of naturally occurring herbivory along a 300 km latitudinal transect. As predicted by the KSH, we found several uncommon chemotypes with some chemotypes occurring only within a single population. Consistent with the MBH, chemotypic diversity was negatively correlated with herbivore pressure; sites with higher levels of herbivory were associated with a few common cues broadly recognized by most individuals. These cues varied among different populations. Our results are similar to those reported for anti-predator signalling in vertebrates" |
| Keywords: | Animals *Artemisia Herbivory Humans Insecta Plants *Volatile Organic Compounds Artemisia tridentata chemotype eavesdropping induced resistance kin selection volatile signalling; |
| Notes: | "MedlineGrof-Tisza, Patrick Karban, Richard Rasheed, Muhammad Usman Saunier, Amelie Blande, James D eng Research Support, Non-U.S. Gov't England 2021/10/28 Proc Biol Sci. 2021 Oct 27; 288(1961):20211790. doi: 10.1098/rspb.2021.1790. Epub 2021 Oct 27" |
