期刊
JOURNAL OF EVOLUTIONARY BIOLOGY
卷 22, 期 11, 页码 2288-2297出版社
WILEY
DOI: 10.1111/j.1420-9101.2009.01847.x
关键词
folivory; fruit production; local adaptation; Ruellia nudiflora; seed predation; spatial variation
资金
- Consejo Nacional de Ciencia y Tecnologia (CONACyT) [SEP 2004-CO1-4658A/A1]
This 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 homogeneous 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.
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