The regulator which retards ageing/senescence of plant parts is

The regular which retards ageing of plants parts is

Plant growth regulator, which promotes senescence and abscission of plant organs, is also related to which of the following physiological effects?

Ethylene retards senescence of leaves, flowers and fruits.

A plant growth regulator which stimulates the closure of stomata is

What kind of senescence does banana plant show?

State whether the following statements are True or False: Ethylene retards senescence of leaves, flowers and fruits.

Senescence in plants is inhibited by