Melissopalynologycal Work In Karnataka

Sheshagiri (1985), Agashe and Scinthia (1995), Agashe (1997), Rangaswamy (2001) carried out honey and pollen load analysis during a melissopalynological investigation at Thally, Dharampuri District, Bangalore and its environs, the coastal Karnataka districts of Mangalore and Udupi. They brought out important findings such as the occurrence of unifloral honeys from Eucalyptus, Coriandrum sativum, Syzygium cumini, Psidium gujava, Pongamia pinnata and Phyllanthus.

Melissopalynological investigation by Agashe and Rangaswamy from 2000-2003 in a major research project sponsored by Department of Science and Technology, New Delhi with emphasis on exploring the potential of bee-foraging activities on the mangroves of coastal Karnataka, India has been very significant. Bee boxes with A. cerana indica colonies were installed and operated in the mangrove belt near Kundapura, Nada, Udyavara,

Pithrodi and Kalmodi of Udupi district. Mangroves such as Avicennia, Rhizophora, Kandelia and Sonneratia produce large showy fragrant flowers with copious amount of nectar and pollen. Field observations made by them confirmed that honeybees visit these flowers frequently. Their pollen was also recovered from honey samples from these areas. The tremendous scope on exploiting mangroves for bee-foraging plants was indicated with evidence by them (Enlarged view of 12.8E, F and G labelled as 12.8A, B and C respectively). The presence of Avicennia sp, Rhizophora mucronata, Sonneratia caseolaris and Kandelia sp pollen in honeys indicates the geographical origin of the honey.

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