Apple fruit develop internal cork due to deficiency of
Or
'Petiole crack' is caused by the deficiency of

Options

A. Magnesium
B. Iron
C. Manganese
D. Boron

Answer

D

Explanation

Boron is required only in very small amounts in apple and pears. Boron deficiency can be observed mostly in moisture or water logged soils and also on sandy or dry soils.