2016
DOI: 10.1590/2175-7860201667202
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Quando um visitante floral é um polinizador?

Abstract: ResumoOs visitantes florais são animais que buscam, nas flores, recursos para si ou para sua prole. Às vezes uma mesma planta pode receber um espectro grande de visitantes, como é o caso de espécies cujas flores oferecem muito néctar. Porém, nem todo visitante floral realiza a polinização. Para ser um polinizador efetivo é necessário cumprir alguns requisitos, como: contato com a antera e o estigma, frequência de visita suficiente, fidelidade floral e a realização de uma rota adequada de visitação. Em muitos t… Show more

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Cited by 37 publications
(15 citation statements)
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“…For the green roofs, is essential the greatest number of flowers, since in addition to improving the aesthetics of the place, it causes a greater attraction of pollinators and consequently greater dispersion of species (COLLA et al, 2009;ONDÕNO et al, 2015). According to Santos et al (2016a) an ideal pollinator should visit flowers of different individuals of the same species, thus ensuring that the pollen transfer takes place between the co-specific plants, and the greater the number of flowers, the more chance there is of efficient pollination on green roofs. However, one should take into account the preference of pollinating agents for the plants, some studies have shown that Petunia species present bees of the genus Hexanthaeda missionic faithful at the time of pollination (SANTOS et al, 2016a), which may be associated with physiological aspects of its flowers.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…For the green roofs, is essential the greatest number of flowers, since in addition to improving the aesthetics of the place, it causes a greater attraction of pollinators and consequently greater dispersion of species (COLLA et al, 2009;ONDÕNO et al, 2015). According to Santos et al (2016a) an ideal pollinator should visit flowers of different individuals of the same species, thus ensuring that the pollen transfer takes place between the co-specific plants, and the greater the number of flowers, the more chance there is of efficient pollination on green roofs. However, one should take into account the preference of pollinating agents for the plants, some studies have shown that Petunia species present bees of the genus Hexanthaeda missionic faithful at the time of pollination (SANTOS et al, 2016a), which may be associated with physiological aspects of its flowers.…”
Section: Resultsmentioning
confidence: 99%
“…According to Santos et al (2016a) an ideal pollinator should visit flowers of different individuals of the same species, thus ensuring that the pollen transfer takes place between the co-specific plants, and the greater the number of flowers, the more chance there is of efficient pollination on green roofs. However, one should take into account the preference of pollinating agents for the plants, some studies have shown that Petunia species present bees of the genus Hexanthaeda missionic faithful at the time of pollination (SANTOS et al, 2016a), which may be associated with physiological aspects of its flowers. According to Van Moerkercke et al 2012, Petunia hybrid has been the target of many researchers in recent years for studies of the biosynthesis and regulation of floral aromas that exude.…”
Section: Resultsmentioning
confidence: 99%
“…The total number of observation hours for each species was: S. parahyba (n= 20), S. macranthera (n= 14), S. multijuga (n= 20), A. fraxinifolia (n= 10), L. cultratus (n= 10), P. violaceus (n= 10), S. oblata (n= 10), and S. simplex (n= 49). Visitors that contacted the stigmas and anthers were considered pollinators (Alves-dos- Santos et al 2016). To better visualize this data, we constructed a quantitative pollination network considering the links as the frequency of interactions using the bipartite package in R software (Dormann et al 2008).…”
Section: Floral Visitorsmentioning
confidence: 99%
“…As abelhas realizaram a coleta de pólen nas flores por vibração das anteras ( Fig. 2a-d), sendo consideradas desta forma como polinizadores legítimos, uma vez que realizaram a remoção do pólen, apresentaram visitas constantes, possuem morfologia compatível com a flor e por tocar o estigma durante a remoção do pólen (sensu Alves-dos- Santos et al 2016). As visitas se iniciaram por volta das 7:00h, período em que se dava início a incidência dos primeiros raios luminosos no interior da floresta.…”
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