What is the signficance of abscission?

Explanation

(i) Abscission separates dead parts of the plant, like old leaves and ripe fruits.
(ii) It helps in dispersal of fruits and continuing the life cycle of the plant.
(iii) Abscission of leaves in deciduous plants helps in water conservation during summer.
(iv) In lower plants, shedding of vegetative parts like gemmae or plantlets help in vegetative reproduction.