Question

Stem and root tips die due to deficiency of

Answer 1

It is due to the deficiency of CALCIUM

Answer 2

Stem and root tip die due to deficiency of calcium.

EXPLANATION:

Calcium is a macronutrient for the plant. It means it is required in larger amount for the plant. The disease necrosis is occurred in the plant deficient in it.  It occurs in tissue first in a localized part of the plant.

Then gradually affects the leaves or younger leaves. Then ultimately it damages the stem and the root part of the affected plant. The supply of calcium is the cure of it.