Question

Write the physiological responses of gibberellins in plants.

Answer 1

Gibberellin is one of the plant growth hormone which is required for the growth and development of the plants. The regulator is required for different processes.

• The hormone causes elongation in the stem.
  
• The hormone is responsible for the bolting effect in the rosette plants.
  
• The regulator is externally used for the removal of dormancy in the case of seeds and buds.
  
• Ther hormone promotes and stimulates seed germination.
  
• The hormone can be used as an alternative to vernalization.
  
• They promote flowering in the long day plants.