Role/importance/effects of ethene on plants

Ethene

1. Promotes fruit ripening by promotes the conversion of starch to soluble sugars and triggers a sudden and dramatic increase in the respiration rate which leads to ripening.
2. Promote wound healing.
3. Promotes etiolation of in plants
4. Promotes leaf and fruit fall
5. In plants whose stems grow underwater, it causes the formation of aerenchyma tissue parenchyma tissue with large air-filled spaces between the cells: it helps to make the plant buoyant.