|Authors: ||L.A. Sánchez, E.J. Slaa, M. Sandí, W. Salazar|
|Keywords: ||pollination / enclosure / , stingless bees, Salvia, seed set|
In this preliminary study on pollination with stingless bees, the pollination effectiveness of two species of stingless bees (Tetragonisca angustula Illiger and Nannotrigona testaceicornis Cresson) and Africanised honey bees (Apis mellifera L.) was determined for the ornamental plant Salvia farinacea Benth.
All three species of bees highly increased the seed production in comparison with pollinator-deprived plants.
Pollination effectiveness, expressed as the seed weight per plant, was highest for A. mellifera and lowest for T. angustula. However, foraging activity showed a similar trend among the species, being highest in A. mellifera and lowest in T. angustula. Consequently, seed yield per unit of foraging activity was equal for the three species.
A more compact version of these results was published in Apidologie (Slaa et al, 2000).
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