Question

Brown heart disease is due to the deficiency of

• A. Boron.
• B. Iron.
• C. Molybdenum.
• D. Phosphorus.

Answer 1

The correct option is A Boron.

Boron regulates pentose phosphate pathway, increases sugar translocation in plants. Due to deficiency of boron growth of roots stops and the disease ' brown heart' is caused in sugarbeet. Thus option A is the correct answer.