Question

Farmers in a particular region were concerned that pre-mature yellowing of leaves of a pulse crop might cause a decrease in the yield. Which treatment could be most beneficial to obtain maximum seed yield?

• A. Frequent irrigation of the crop
• B. Treatment of the plants with cytokinins along with a small dose of nitrogenous fertiliser
• C. Removal of all yellow leaves and spraying the remaining green leaves with 2,4,5-trichlorophenoxy acetic acid
• D. Application of iron and magnesium to promote synthesis of chlorophyll

Answer 1

The correct option is D

Application of iron and magnesium to promote synthesis of chlorophyll

If a pulse crop possesses premature yellowing of leaves and decrease in yield then application of magnesium and iron to promote synthesis of chlorophyll may become most beneficial to overcome the problem and to obtain maximum seed yield.