Nectar Sources for the Honey Bee (Apis mellifera adansonii) Revealed by Pollen Content
2009
ADEKANMBI, Olusola | Ogundipe, Oluwatoyin Temitayo
Nectar sources for the African honeybee Apis mellifera adansonii were investigated. The work involved analysis of three honey samples bought from open markets in Lagos, Nigeria. The pollen sediment of the honeys was acetolysed, mounted on slides and pollen types were identified and counted to determine the relative frequency of the different pollen types in the honey samples. The proportion of pollen from each of the honey samples varied from 196 in sample A, 280 in sample B to 238 in sample C. The most abundant taxa identified from the honey samples were Tridax procumbens and Elaeis guineensis belonging to the families Asteraceae and Palmae. The highest proportion of Palm pollen grain was recorded in sample B with one hundred and ten (110) pollen grains per slide. The pollen grains in the families Palmae and Asteraceae are of great importance to the bees for honey production, this can be seen in the abundance displayed in sample B and C. Other pollen taxa recovered belong to the families Mimosaceae, Euphorbiaceae, Sapotaceae and Anacardiaceae providing a clue on the ecological origin of the pollen grains in the honey sample. Pollen analysis of honey proved to be useful in deciphering nectar sources of Apis mellifera adansonii.
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