Cytokinin definition

Any of a class of plant hormones that promote cell division and growth and delay the senescence of leaves.

Any of a group of organic compounds which behave like hormones in plants, promoting cell division and cell differentiation into roots and shoots, inhibiting aging, etc.

Any of a class of plant hormones that promote cell division and growth and delay the senescence of leaves.

Any of a class of plant hormones that promote cell division and growth and delay the senescence of leaves. Cytokinins are synthesized mainly in root tips.