noun
- A class of plant hormones that promote cell division and growth, and delay aging in plant tissues.
Usage: plural form; used in botany and plant biology; often used in scientific and agricultural contexts
Examples
- Cytokinins are essential for regulating cell division in plant roots and shoots.
- Scientists apply cytokinins to plant tissue cultures to stimulate growth and regeneration.
- The balance between cytokinins and auxins determines the shape and structure of developing plants.
- Cytokinins help delay the senescence, or aging, of leaves and flowers.
- Plant breeders use cytokinins to improve crop yields and plant vigor.