odor-mediated push-pull pollination

odor-mediated push-pull pollination
  Hypothesis pertaining to the coevolution of cycads and their pollinators involving highly specific cycles of heat and odor production in cycad cones that first attract and then repel pollinators (sensu Terry et al., 2007).
  See also thermoperiod.

Expanded glossary of Cycad terms . 2014.

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  • pheromone —   Volatile chemical substance emitted by an organ and acting as a signal to other organisms, e.g. cycad cone emissions that attract insect pollinators.   See also odor mediated push pull pollination …   Expanded glossary of Cycad terms

  • thermogenesis —   Self heating through respiratory activity, as in the cones, especially male cones, of many cycads.   See also odor mediated push pull pollination …   Expanded glossary of Cycad terms

  • thermoperiod —   Recurring (e.g. daily, annually) temperature cycle that may have an inductive effect on plant growth and development.   See also odor mediated push pull pollination.   Cf. photoperiod …   Expanded glossary of Cycad terms

  • REFERENCES —   ■ Bonta, M., O. Flores Pinot, D. Graham, J. Haynes & G. Sandoval. 2006. Ethnobotany and conservation of tiusinte (Dioon mejiae Standl. & L.O. Williams, Zamiaceae) in northeastern Honduras. Journal of Ethnobiology 26:228 257.   ■ Cactus Art.… …   Expanded glossary of Cycad terms

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