Naphthaleneacetic Acids

**Definition:** Naphthalene derivatives containing the -CH2CCO2H radical at the 1-position, the 2-position, or both. Compounds are used as plant growth regulators to delay sprouting, exert weed control, thin fruit, etc.

**Tree numbers:** - D02.455.426.559.847.638.472 - D04.615.638.472