Ecology, Environment and Conservation Paper

Vol.15, Issue 03, 2009; Page No.(509-512)

STUDIES ON DISPERSAL, GERMINATION AND VIABILITY OF POLLEN IN NUTMEG MIXED CROPPED IN COCONUT PLANTATION

K.Y. Shigvan, A.M. Tirmaii, M.P. Sanas. R.A. Kharat and S.B. Thorat

Abstract

A study on dispersal, germination and viability of pollen in tress spice nutmeg mixed crop in coconut plantation was conducted during 2000-2001 under Dapoli conditions of Maharashtra. The maximum (1.1Q) pollen grains per microscope field were found at the height of 2m from ground level. Wind did not play any roles in pollination. Maximum (81.30 %) pollen germination was found in five per cent sucrose solution, while minimum (2.28%) pollen germination. The maximum (96.45%) pollen germination was found in five per cent sucrose solution supplemented with 70 ppm boric acid. Maximum (95.00 %) pollen viability was noticed when pollen grains were fresh. Pollen viability decreased consistently upto 28 hours.

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