Pollination activity of honey-bee (Apis mellifera) on onion (Allium cepa), 2: Efficiency of honey-bees with respect to pollen transfer

abeille abejas alliaceae allium allium cepa animal animales animals apis apis mellifera arthropode arthropods bees bulbous vegetables crops cultivos economic plants fisiologia fonction physiologique hortalizas (plantas) hortalizas de bulbo hymenoptera insecte insectos insects invertebrados invertebrates liliiflorae monocotyledons physiological functions physiologie physiology plantas plante plante de culture plants polinizadores pollination pollinators pollinisateur pollinisation reproduction vegetable crops