Directed deterrence by capsaicin in chillies

Joshua J. Tewksbury () and Gary P. Nabhan
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Joshua J. Tewksbury: Center for Sustainable Environments, Northern Arizona University
Gary P. Nabhan: Center for Sustainable Environments, Northern Arizona University

Nature, 2001, vol. 412, issue 6845, 403-404

Abstract: Abstract The primary function of ripe, fleshy fruit is to facilitate seed dispersal by attracting consumers1,2, yet many fruits contain unpleasant-tasting chemicals that deter consumption by vertebrates3. Here we investigate this paradox in the chilli (Capsicum) and find that capsaicin, the chemical responsible for the fruit's peppery heat4, selectively discourages vertebrate predators without deterring more effective seed dispersers.

Date: 2001
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DOI: 10.1038/35086653

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