Studies on Efficacy Of Insect Pollinators On Phalsa (Grewia subinaequalis D.C.)
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Date
2015-06-25
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ANDUAT,KUMARGANJ,AYODHYA
Abstract
Investigations were carried out on Phalsa, Grewia subinaequalis D.C. at
MES Horticulture, Narendra Deva University of Agriculture and Technology,
Kumarganj, Faizabad (U.P) during year 2014 with different objectives like ;
Pollinators diversity and abundance, Pollination efficiency and Effect of
different modes of pollination on yield of Phalsa. A total of sixteen insect
species were found visiting the Phalsa flowers. The major pollinators were
belonging to the order Hymenoptera (10 species), Diptera (3 species) and
Lepidoptera (3 species). Apis dorsata, A. mellifera, Megachile spp, Halictus Sp.
were abundant pollinators. The foraging activity started from April month. The
abundance of Halictus sp. was highest with 4.38 bees/branch/5min followed by
Megachile sp.(3.88 bees/branch/5min) and A.dorsata(2.89 bees/branch/5min).
Dipterans and Lepidopterans were less abundant.
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