Question

Write the physiological effects of the following plant hormone.
Ethylene

Answer 1

• Ethylene is highly effective in fruit ripening. It enhances the rate of respiration during fruit ripening.
• It also promotes senescence and abscission of leaves and flowers.
• Ethylene also breaks seed and bud dormancy, initiates germination in peanut seeds and sprouting of potato tubers.
• Ethylene is also used to initiate flowering and regulates so many physiological processes.
• Ethylene also promotes root growth and root hair formation , thus helping the plants to increase their absorption surface.