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Local adaptation of Ruellia nudiflora (Acanthaceae) to biotic counterparts: complex scenarios revealed when two herbivore guilds are considered

AuthorsOrtegón-Campos, I.; Parra-Tabla, Víctor ; Abdala-Roberts, Luis; Herrera, Carlos M.
fruit production
local adaptation
Ruellia nudiflora
seed predation
spatial variation
Issue DateSep-2009
PublisherBlackwell Publishing
CitationJournal of Evolutionary Biology Volume 22, Issue 11, pages 2288–2297, November 2009
AbstractThis study evaluated whether the herb Ruellia nudiflora is locally adapted to a specialist insect seed predator (SP) and insect folivores, and if plant local adaptation (LA) to the former is more likely. A reciprocal transplant experiment was conducted using three sites in Yucatan (Mexico) (n = 864 plants). A third of the plants of each origin were placed at each site, and we recorded the following during a 9-month period: fruit number, leaf damage, and fruits attacked by SP. Results indicated lack of plant LA for all the variables measured. Instead, seed predation was c. 100% greater for native plants at one study site, suggesting insect LA or plant maladaptation; folivory was homo- geneous across sites ⁄ origins. Based on these results, we discuss differences in the potential each herbivore guild has to promote plant LA, as well as divergent evolutionary outcomes of plant–herbivore interactions across sites.
Publisher version (URL)http://onlinelibrary.wiley.com/doi/10.1111/j.1420-9101.2009.01847.x/pdf
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