Abstract

The knowledge of quantitative production and method of dispersal give some idea about the frequency of presence of particular plant pollen grains in the atmosphere or hydrosphere. Pollen production in terms of number per anther along with the particular anther number per flower, anther length, pollen grain size, mode of anther dehiscence was determined for 51 angiospermous hydrophytes and marsh species occurring in Tripura, India. Pollen production is species specific. The level of pollen production directly related to the anther size and anther number per flower. However, no such correlation could be drawn between pollen production and size of pollen grains. Most of the hydrophytic taxa of the present investigation are anemophilous. The anemophilous taxa are characterized by high pollen production. However no correlation could be drawn from the present study between the high pollen production and mode of anther dehiscence as in all the studied taxa they show only one kind of anther dehiscence.

Highlights

  • Studies on pollen, an organ which is considered to be less influenced by changing ecological condition, are relevant to various branches of Botany as well as to several other disciplines like Agriculture, Forestry, Medicine

  • Pollen production in terms of number per anther along with the particular anther number per flower, anther length, pollen grain size, mode of anther dehiscence was determined for 51 angiospermous hydrophytes and marsh species occurring in Tripura, India

  • The knowledge of quantitative production and method of dispersal give some idea about the frequency of presence of particular plant pollen grains in the atmosphere or hydrosphere [2]

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Summary

Introduction

An organ which is considered to be less influenced by changing ecological condition, are relevant to various branches of Botany as well as to several other disciplines like Agriculture, Forestry, Medicine. A plant during its entire flowering period produces large amount of pollen grains most of which are not involved in fertilization. Other studies [17] provided an important contribution to the knowledge in the production of pollen in anemophilous trees but there is no record of pollen production for the hydrophytes and marsh plants and their relation with ecological class. An attempt has been made to correlate the data of pollen production with anther number, anther length, and pollen grain size, mode of anther dehiscence and with special stress on their ecological class

Materials and Methods
Results
Drosera burmnni Vahl H
Correlation between Anther Number per Flower and Total Pollen Production
Correlation between Anther Length and Pollen Production
Pollen Production and Pollen Size
Discussions
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