Transport in Plants

Define the term diffusion pressure deficit (DPD) and also write its relation.

Diffusion pressure deficit (DPD) : It is the decrease in diffusion pressure of water in a solution over its pure state.

The diffusion pressure of pure water is maximum and it continues to decrease as more and more solute is added into it.

D.P.D = O.P - T.P
Where,
D.P.D. = Diffusion pressure deficit
O.P = Osmotic pressure
T.P = Turgor pressure

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Define the terms imbibition imbibant, imbibate and imbibition pressure.

Define osmosis. Give its types.

Define the terms osmotic pressure and turgor pressure.

Describe the importance of imbibition.

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