FTP name these plant hormones that promote stem growth, root formation, and cell enlargement.
These substances were named by a man who, in a 1926 experiment, cut the tips of oat coleoptiles and placed them on agar. One of these substances, MCPA, is used to kill weeds, and the most abundant one is phenylacetic acid. They are structurally similar to tryptophan, and can be used to form seedless fruit. 2,4-D is a synthetic type of this substance, whose principal natural type is indoleacetic acid. Responsible for many forms of tropism, these substances delay fruit ripening. FTP name these plant hormones that promote stem growth, root formation, and cell enlargement.
These substances were named by a man who, in a 1926 experiment, cut the tips of oat coleoptiles and placed them on agar.
{auxin}s