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Publication Type J
Authors Mandal, R. N., P. K. Meher and K. R. Naskar
Title Effect of salinity on germination and seedling development of Heritiera fomes Buch. Ham
Source Proceedings of the National Academy of Sciences India Section B-Biological Sciences
Abstract The present study deals with the effect of salinity on germination and seedling development of Heritiera fomes Buch. Ham. under different salinity treatments (0-30 ppt), both in laboratory and in-situ. It shows that salinity level <5 ppt had positive impact on germination and seedling establishment, while higher salinity affects the germination process, leading to unviable germination. In lower salinity level, between 0-5 ppt, all propagules got germinated and 100% of seedling establishment occurred at cistern pots in laboratory conditions whereas 66.66% of seedling became established at 5 ppt level treatment in-situ condition. Consequently, viable germination reduced gradually in accordance with higher salinity. With the increase in salinity level unviable germination was found increasing, and propagule germination got delayed. One-way ANOVA (SAS vs.6.12) was used to test the effect of salinity on the germination and seedling growth of propagules. The regression coefficient of the linear equation was found negative (as -0.006 and -0.010) from RGR values of seedlings in cistern pots and in-situ plots respectively. In this context, the hypothesis of lower salinity having positive impact on germination and seedling development of Heritiera fomes was strongly supported by the coefficient of determinant values (as R-2 = 0.987, R-2 = 0.976) in cistern pots and in-situ plots respectively.
ISSN 0369-8211
ISBN 0369-8211
Publication Date Apr-Jun
Year Published 2009
Volume 79
Beginning Page 153-160
Unique Article Identifier WOS:000267793800009
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