these are also called as phyto hormones.these coordinate the activities by controlling the growth of plant.
types- AUXINS,GIBBERELLINS,CYTOKININS,ABSCISIC ACID[ABC].
AUXINS-promote cell enlargement, differentiation,fruit growth in plants.
GIBBERELLINS-these function in presence of auxins, help in breaking dormancy in seed,buds, fruits!
CYTOKININS-promote cell division,delay ageing in leaves, opening of stomata, promote fruit growth.
ABA-inhibits growth in plants,promotes closing of stomata, helps in wilting and falling of leaves![abscission].
types- AUXINS,GIBBERELLINS,CYTOKININS,ABSCISIC ACID[ABC].
AUXINS-promote cell enlargement, differentiation,fruit growth in plants.
GIBBERELLINS-these function in presence of auxins, help in breaking dormancy in seed,buds, fruits!
CYTOKININS-promote cell division,delay ageing in leaves, opening of stomata, promote fruit growth.
ABA-inhibits growth in plants,promotes closing of stomata, helps in wilting and falling of leaves![abscission].
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