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HomeHomework HelpbotanyEthylene (plant hormone)

Ethylene (plant hormone)

Ethylene is a gaseous plant hormone that regulates various physiological processes, including fruit ripening, flower wilting, and leaf abscission. It acts as a signaling molecule, influencing growth and development in response to environmental stimuli.

beginner
2 hours
Botany
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Overview

Ethylene is a vital plant hormone that plays a significant role in regulating various growth processes, particularly in fruit ripening and leaf abscission. As a gaseous hormone, it can diffuse through plant tissues, allowing for rapid signaling and response to environmental changes. Ethylene's influ...

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Key Terms

Hormone
A chemical substance produced in the body that regulates physiological processes.

Example: Plant hormones like auxins and gibberellins.

Ripening
The process by which fruits mature and become ready for consumption.

Example: Bananas ripen due to ethylene production.

Abscission
The process of shedding leaves, flowers, or fruits from a plant.

Example: Ethylene promotes leaf abscission in autumn.

Gaseous hormone
A hormone that exists in a gaseous state and can diffuse through air and plant tissues.

Example: Ethylene is a gaseous hormone.

Ethylene production
The synthesis of ethylene in plants, often triggered by stress or ripening.

Example: Fruits produce more ethylene as they ripen.

Stress response
The mechanisms by which plants react to environmental stressors.

Example: Ethylene helps plants respond to drought stress.

Related Topics

Auxins
Plant hormones that regulate cell elongation and growth direction.
intermediate
Gibberellins
Hormones that promote stem elongation, seed germination, and flowering.
intermediate
Abscisic Acid
A hormone involved in plant stress responses and regulating water loss.
advanced

Key Concepts

Fruit ripeningLeaf abscissionStress responseGas signaling