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Título: Chemical analyses confirm a rare case of seed dispersal by bees
Autor(es): Cecilia Veronica Nunez
de Oliveira, Marcio Luiz
Duarte Lima, Renata
Diaz, Ingrit Elida Collantes
Sargentini, Ézio
Pereira, Orlando Libório
Araújo, Lidia Medina
Assunto: Interação planta-inseto
Abelhas sem ferrão
ISSN: 0044-8435
Revista: Apidologie (Celle)
Volume: online
Resumo: It has been suggested that dispersal of seeds of Coussapoa asperifolia magnifolia could have endozoochoric dispersal by frugivorous birds and monkeys because the fruits are red when ripe, or exozoochoric dispersal, because the exocarp is mucilaginous and sticky. However, our field observations showed only stingless bees collecting the exocarp with seeds of C. asperifolia magnifolia, which are used for building and repairing their nests, from which the plants sprout. This paper aimed to determine the fruit chemical composition, since we postulated that C. asperifolia magnifolia is neither consumed by birds nor monkeys due to being very sticky and apparently resinous. Apolar extract analyses revealed the fruits are not resinous but extremely rich in waxes (mainly esterified triglycerides), and polar extract analyses revealed the sugar content to be close to the sensorial minimum level. This probably accounts for why only stingless bees are seen visiting fruits and dispersing seeds.
ISSN: 0044-8435
Aparece nas coleções:Coordenação de Tecnologia e Inovação (COTI)

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