Q. Farmers in a particular region were concentrated that pre-mature yellowing of leaves of a pulse crop might cause 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 fertilizer
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
Explanation
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.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.