what are the various factors which effect water potential?
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Solute potential (ys) and pressure potential (yp) are the two main components that affect water potential.
(a) Solute potential: All solutions have a lower water potential than pure water. The magnitude of this lowering due to dissolution of a solute is called solute potential devoted by p. The more the solute molecules, the lower is the ys
(b) Pressure potential : If a pressure greater than atmospheric pressure, is applied to pure water or a solution, its water potential increases. Pressure potential is the pressure which develops in an osmotic system due to osmotic entry or exit of water i from it.
It is expressed by y . Its value is always in positive
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