Abstract

A field experiment was conducted during kharif season of 2008 and 2009 (from august to october) to investigatethe behavior of crop plant Sesame (Sesamum indicum L.) to RT (Relative turgidity), DPD (Diffusion pressuredeficit) and TI (Transpiration intensity). The plant species (Sesamum indicum L.) investigated has been found tobehave differentially with respect to relative turgidity, Diffusion pressure deficit and Transpiration intensityduring different hours of day and at different stages Viz. Vegetative, flowering and capsule stage.

Highlights

  • In nature and even in agriculture, it is rare and fortunate that plant enjoys an optimum supply of water throughout its life

  • Sesame (Sesamum indicum L.), an important oil yielding plant, has yet not received due attention from this point of view; the present study has been designed to know about its physiological aspects that is its relative turgidity, diffusion pressure deficit and transpiration intensity

  • A study was conducted during kharif seasons of 2008 and 2009 at crop field of Kodemdesar village of district Bikaner (Rajasthan, India) to study the behavior of crop plant (Sesamum indicum L.) with respect to RT, DPD and TI

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Summary

Introduction

In nature and even in agriculture, it is rare and fortunate that plant enjoys an optimum supply of water throughout its life. The quantitative significance of relative turgidity has been enhanced by the demonstration that it is closely related to tissue water potential (Slatyer, 1960). This relationship is of value in that it can enable approximate estimates of water potential to be made from relative turgidity measurements. Transpiration, stomatal aperture, amount of water in leaves and osmotic value are popular indices which reflect the ability of plants to take up water under the prevailing atmospheric and edaphic conditions. They do not suggest that the water balance of. Sesame (Sesamum indicum L.), an important oil yielding plant, has yet not received due attention from this point of view; the present study has been designed to know about its physiological aspects that is its relative turgidity, diffusion pressure deficit and transpiration intensity

Material and Methods
Estimation of relative turgidity
Estimation of Diffusion pressure deficit
Estimation of Transpiration intensity
Results and Discussion

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