Notes: Indole-3-butyric acid (IBA) is a plant hormone of the auxin class that encourages plant growth and root production.{38206,38207} Addition of IBA to rooting medium enhances root formation and improves S. rebaudiana plant survival.{38206} IBA also increases the amount of differentiated tissue and solasodine production by S. elaeagnifolium seedlings in a dose-dependent manner.{38207} Formulations containing indole-3-butyric acid have been used to enhance the growth of food crops in agriculture.