| 释义 |
cytokinin Biochem.|saɪtəʊˈkaɪnɪn|
[f. cyto- + kinin.]
Any of numerous compounds which are present as growth regulators in higher plants and which promote cell division, inhibit ageing, and act with auxins to control the growth and development of the plant.
1965E. Maeda in Plant & Cell Physiol. VI. 653 (heading) Inhibition of lamina inclination by cytokinin in excised rice leaves. 1966Science CLII. 726/3 Cytokinins occur in seeds, and they have a role in early stages of embryo growth and germination. 1968New Scientist 5 Sept. 503/1 The cytokinins..are necessary for leaves to remain green and healthy. 1970Street & Öpik Physiol. Flowering Plants xi. 232 The sepals (and sometimes also the petals) synthesize auxin, gibberellin and cytokinin and export these hormones to the developing fruit. |