Indole-3-butyric acid (IBA) is a natural plant hormone in the auxin family that stimulates root growth in plant cuttings.Key Functions and UsesRoot Promotion: Gardeners and farmers use IBA as a rooting agent to help plant cuttings grow new roots quickly.Transplant Success: It reduces shock when you move young plants into the ground or bigger pots.Crop Yield: It helps improve overall plant health, flower development, and fruit growth.Stress Reduction: It can help plants survive hard conditions like drought or salty soil.