Pollination of Granadilla (Passiflora ligularis) Benefits From Large Wild Insects

Journal of Economic Entomology
Catalina Gutiérrez-ChacónAlexandra-Maria Klein

Abstract

The contribution of wild pollinators to food production has recently been assessed for many crops, although it remains unclear for several tropical crops. Granadilla (Passiflora ligularis Juss), a crop native to the tropical Andes, is one such crop where a gap exists regarding comprehensive knowledge about its pollination system. In a field experiment in the Colombian Andes, we 1) describe flower visitors in terms of visit quantity (visitation rate) and quality (touches of flower-reproductive structures), 2) assess the pollination system by comparing fruit set and fruit weight per flower in three pollination treatments: pollinator exclusion, open pollination, and supplementary pollination, and 3) evaluate pollination deficits (difference between open and supplementary pollination) in relation to pollinator density. We observed 12 bee species visiting granadilla flowers, with Apis mellifera Linnaeus being the most frequent species. However, large bees such as Xylocopa lachnea Moure and Epicharis rustica Olivier touched stigmata and anthers more often. Fruit set and fruit weight per flower were significantly lower in the pollinator exclusion treatment compared to open and supplementary pollination, while the latter treatments sho...Continue Reading

References

Dec 14, 2006·Proceedings. Biological Sciences·Alexandra-Maria KleinTeja Tscharntke
Oct 5, 2007·Ecological Applications : a Publication of the Ecological Society of America·Merijn M BosJason M Tylianakis
May 16, 2008·Biometrical Journal. Biometrische Zeitschrift·Torsten HothornPeter Westfall
Jul 7, 2011·PloS One·Elisabeth J EilersAlexandra-Maria Klein
Sep 24, 2013·Food Chemistry·Larissa Morais Ribeiro da SilvaCarmen L Gomes
Apr 22, 2014·Agriculture, Ecosystems & Environment·M P D GarrattS G Potts
Feb 9, 2016·Journal of Clinical and Experimental Dentistry·Fernanda-Alcaraz-Orta BrunoFrank-Ferreira Silveira

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Citations

Apr 30, 2021·Biological Reviews of the Cambridge Philosophical Society·Ryan E BrockSeirian Sumner

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