Natural auxinic hormones
Auxins Auxins are plant growth hormones due to their ability to stimulate differential growth in response to light stimuli. They are the phytohormones that play the most important role in the development of plants. Four natural auxins synthesized by plants have been described: IAA, indole-3-butyric acid (IBA), 4-chloroindole-3-acetic acid (4-Cl-IAA), and phenylacetic acid (PAA). In …