which one of the following growth regulators is known as stress hormone ?
a) IAA b) ABA c) ethylene d) GA3
b) ABA is correct
Abscisic acid is known as stress hormone as different stress condition results in the increased amount of ABA in plants. It plays an important role to overcome the environmental stress. It inhibits the effects of other hormones to reduce shoot growth during times of plant stress.
Abscisic acid is known as stress hormone as different stress condition results in the increased amount of ABA in plants. It plays an important role to overcome the environmental stress. It inhibits the effects of other hormones to reduce shoot growth during times of plant stress.