What Is Abscission and Senescence

Abscission is the separation of plant parts from the parent plant. Senescence is the cellular process in which cells show a permanent form of cell cycle arrest. Abscission occurs after the formation of an abscission zone at the point of separation. Senescence occurs at organ level as well as organism level.

What is senescence?

In biology, senescence is a process by which a cell ages and permanently stops dividing but does not die. Over time, large numbers of old (or senescent) cells can build up in tissues throughout the body. … Senescence may play a role in the development of cancer and other diseases.

Is senescence and abscission same?

SenescenceAbscissionIt helps mobilize the essential nutrients to flowers and convert the flowers into fruits.It helps divert the water and essential nutrients to the younger or growing parts of the plant.