Question

Low concentrations of which of the following elements will lead to delay in flowering?

• A. $K,N,Mg$
• B. $Mg,Zn,Mo$
• C. $N,S,Mo$
• D. $K,Zn,S$

Answer 1

Answer: (C)

$N,S,Mo$

Flowering occurs after the completion of the vegetative phase.

Nitrogen deficiency leads to impaired production of proteins, enzymes, etc leading to stunted growth, dormancy of lateral buds, and flowering.

Sulphur deficiency results in pale yellow coloration in all parts of the plants. It prevents flowering, if flowering occurs the number is reduced and is shed prematurely.

Molybdenum deficiency results in restricted flower production and setting of fruit.

So, the correct answer is 'N,S,Mo'.