Question

which hormones controls the function of stomata

Answer 1

Control of the size of the stomatal aperture optimizes the efficiency of water use through dynamic changes in the turgor of the guard cells. The opening and closing of stomata is regulated by the integration of environmental signals and endogenous hormonal stimuli

Answer 2

There are multiple factors that control the opening and closing of stomata cells.

- Cell turgidity level  

- Environmental factors such as temperature and day timings

- According to one study, it has been seen that cytokinins and auxins plays a role in controlling cells opening and closing

- Another hormone known as Abscisica acid is also responsible for closing and opening of stomata cells