Growth Turgor pressure

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tree roots penetrating rock


turgor pressure s actions on extensible cell walls said driving force of growth within cell. increase of turgor pressure causes expansion of cells , extension of apical cells, pollen tubes, , in other plant structures such root tips. cell expansion , increase in turgor pressure due inward diffusion of water cell, , turgor pressure increases due increasing volume of vacuolar sap. growing root cell s turgor pressure can 0.6 mpa, on 3 times of car tire. epidermal cells in leaf can have pressures ranging 1.5 2.0 mpa. seeing plants can operate @ such high pressures, can explain why trees can grow through asphalt , other hard surfaces.








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