describe various plants hormones with their function
Answers
1) Auxin : promotes growth
2) Gibberelins : stimulates cell elongation
3) Cytokinins : helps in cell division
4) Absicic acid : used in breaking dormency
The various types of plant harmones are :
1. Auxin : it promoted growth of shoot towards the sunlight.
It also cause cell elongation in the growing tissue.
Auxins plays a role in development of seedless fruit
2.Gibberellins : stimulates stem elongation.
It also helps in germination of seed and flowering.
Maximum concentration of gibberellins is found in fruits and seeds.
Cytokinines: They promote cell division.
They also helps in Breaking the dormancy of seeds.
The delay ageing in leaves and promote opening of stomata.
Abscisic acid: it is a growth inhibitor which rivers the growth promoting effects of auxins and gibberellins.
It promotes ageing in leaves and closing of stomata.
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