Chemical Control in Plants

 

Plants respond to various stimuli but they respond very slowly. Plants also produce chemical substances, which are called plants hormones. In plants main function of hormones are concerned with growth. The important hormones of plants are as under:-

 

Auxins:

 

They are involved in the change of direction of growth of shoots towards light.

 

Gibberellins:

 

These are responsible for rapid elongation of stem.

 

Cytokinins:

 

These are useful in developing the tissues.

 

Abscisic Acid

 

These are also growth inhibitor and induce seed and bud dormancy.

 

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