1naphthylacetic
1-naphthylacetic acid, also known as alpha-naphthylacetic acid or NAA, is a synthetic plant hormone in the auxin family. It is a white crystalline solid that is soluble in organic solvents but sparingly soluble in water. NAA is widely used in agriculture and horticulture as a plant growth regulator. Its primary function is to mimic the effects of natural auxins produced by plants, influencing a variety of developmental processes.
One of the most common applications of NAA is in promoting root formation in cuttings. When applied