Question

How does ethylene affect plant growth?

Answer 1

Ethylene:

1. Ethylene is a gaseous multifunctional plant hormone.
2. It helps to break seed dormancy and also promotes seed germination.
3. It promotes root growth and root hair formation.
4. It regulates both growth and senescence depending on the concentration of the hormone, time of application, and plant species.
5. It promotes the ripening of fruit.
6. It can cause the abscission of leaves and flowers.