Plant hormones

• Plants hormones are called phytohormones these are those chemicals which regulates growth of plants.
• Plants don't have glands to secrete and store hormones.
• These are following types :
• 1. Abscisic acid.
• 2. Cytokinins 
• 3. Auxin
• 4. Gibberellins.
• 5.Ethylene

       Abscisic acid : 

• Abscisic hormone is a most important plant growth regulator.
•  Hormone helps in abscission. (Abscission is a process by which plants sheds their leaf, fruits, and parts of plants.)

     Cytokinins: 

• Cytokinins were isolated from yeast cells.
• Hormone influence cell division and cell elongation.

      Auxin:  

• Auxin hormone inhibit the growth of buds.
• It is a first class growth regulator hormones.
• It effects