Ants Associated with Turnera subulata (Turneraceae): Elaiosome Attraction, Seed Dispersion and Germination.

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  • Additional Information
    • Source:
      Publisher: Springer Country of Publication: Netherlands NLM ID: 101189728 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1678-8052 (Electronic) Linking ISSN: 1519566X NLM ISO Abbreviation: Neotrop Entomol Subsets: MEDLINE
    • Publication Information:
      Publication: 2012- : Dordrecht : Springer
      Original Publication: Londrina, PR : Entomological Society of Brazil, 2001-
    • Subject Terms:
      Germination* ; Seed Dispersal*; Ants/*physiology ; Turnera/*physiology; Animals ; Symbiosis
    • Abstract:
      Symbiosis between plants and ants include examples in which the plant provides shelter and/or food for ants that, in turn, act in the defense or in the dispersion of seeds from the host plant. Although traditionally referred as mutualistic, the results of these interactions may vary with the ecological context in which patterns are involved. A range of species have facultative association with Turnera subulata (Turneraceae). Here, using behavioral bioassays, we investigated the effects of the most frequent ant species associated with T. subulata (Brachymyrmex sp.1, Camponotus blandus (Smith), Dorymyrmex sp.1, Crematogaster obscurata Emery, and Solenopsis invicta Buren) in the dispersion of plant host seeds and in the number of seedlings around the associated ant nests. We also evaluated the effects of these ant species in the germination of T. subulata seeds, in the consumption of elaiosome, and in the attractiveness to elaiosome odor. Our results showed that the ant species associated with T. subulata presented variation in the attraction by the odor and in the rate of consumption of the elaiosomes. However, none of the ant species studied contributed significantly to the increase of seed germination and seedling growth. Our results suggest that the consumption of the elaiosome by ant species is not a determinant factor to the success of germination of T. subulata. However, such species could contribute indirectly to seed germination by carrying seeds to sites more fertile to germination. In general, our results help to elucidate the results of ecological interactions involving ants and plants.
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    • Contributed Indexing:
      Keywords: Myrmecochory; context-dependent; plant-ant; symbiosis
    • Publication Date:
      Date Created: 20180709 Date Completed: 20190318 Latest Revision: 20190318
    • Publication Date:
      20231215
    • Accession Number:
      10.1007/s13744-018-0616-5
    • Accession Number:
      29982978