Question

Why is abscisic acid also known as stress hormone?

Answer 1

The abscisic acid is also called as the stress hormone. Since during adverse draught condition the abscisic acid initiates the closure of stomata their by reducing the water loss.

Answer 2

The synthesis of Abscissic acid is stimulated by drought, water logging and other adverse environmental condition. Therefore, it is also known as Stress Hormone.