Question

What is necrosis in plants ?

Answer 1

Tissue damage or tissue death

and it is due to deficiency of Ca, Cu, Mg,K

Answer 2

Necroses are caused due to necrosis or death of plant cells. The affected plant tissue usually turns brown to black in color. Necrotic symptoms could appear in any part of the plant such as in storage organs, in green tissues, or in woody tissues.