Ecology, Environment and Conservation Paper

Vol.11, Issue 1, 2005; Page No.(73-80)

POLLINATORS IME SAY AND DIVERSITY IN RELATION TO PLANT DENSITY OF ZIZYPHUS XYLOPYRUS WIND. (RHANINACEAE)

R.M.Mishra, G.P. Yadav and Pushplata Gupta

Abstract

Insects, visiting the blossom of Zizyphus xylopyrus have been examined for their intensity and diversity in relation to time and plant density in a tropical deciduous forest of Dabhoura, Rewa (M.P.). Results indicate that the flowers of this plant species are visited by 37 species of insects which included I 9 species of wasps, 7 flies, 6 butterflies and 5 bees. There were sufficient diurnal fluctuations in insect visits. More number of insects visited the blossoms during the morning, as compared to noon and evening hours. Comparatively more number of insect species visited the flower with lower intensities. It is observed that intensity of pollinator species increased with increase in plant density. The number of pollinator species and their individuals differed significantly on the blossoms of three patches of plant densities. Similarly, the diversity of pollinators was maximum on dense population and minimum on isolated plant.

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