The swelling of guard cells due to absorption of water causes opening of stomatal pores while shrinking of guard cells closes the pores. Opening and closing of stomata occurs due to turgor changes in guard cells. When guard cells are turgid, stomatal pore is open while in flaccid conditions, the stomatal aperture closes.
Opening and closing of stomata occurs due to turgor changes in guard cells. Moreover guard cells have differentially thickened walls i.e., outer walls are thin and inner walls are thick. Absorption of water causes guard cells to swell up and get curved out resulting in the opening of stomatal pore whereas during flaccid condition, shrinking of guard cells takes places that causes closure of stomatal pore.
The swelling of guard cells due to absorption of water causes opening of stomatal pores while shrinking of guard cells closes the pores. Opening and closing of stomata occurs due to turgor changes in guard cells. When guard cells are turgid, stomatal pore is open while in flaccid conditions, the stomatal aperture closes.
Opening and closing of stomata occurs due to turgor changes in guard cells. Moreover guard cells have differentially thickened walls i.e., outer walls are thin and inner walls are thick. Absorption of water causes guard cells to swell up and get curved out resulting in the opening of stomatal pore whereas during flaccid condition, shrinking of guard cells takes places that causes closure of stomatal pore.