Question

Name the plant hormone that can delay senescence.

Answer 1

Delay of senescence:

1. Cytokinin was discovered by Miller when he was working on tobacco pith culture.
2. The term cytokinin was given by Letham.
3. Cytokinins are plant growth regulators that produce anti-senescence effects on some plant parts.
4. They provide a younger, healthier appearance to plants.
5. Florists commonly use cytokinins to make cut flowers look fresh as they are able to slow down the ageing process in flowers.