Deficiency symptoms on lower leaves are due to
A. Zn
B. Mo
C. Bo
D. P2O5
Answer: Option D
Solution(By Examveda Team)
Deficiency symptoms on lower leaves are due to deficiency of phosphate i.e. P2O5.P2O5 is triple superphosphate, a concentrated form of superphosphate and it contains 46% of P2O5.
The deficiency of phosphorus tends to inhibit or prevent shoot growth. Leaves turn dark, dull, blue-green and may become pale in severe deficiency. At first, the old leaves from the lower parts are affected but they may be translocated to the younger leaves also.
Related Questions on Agronomy
Downy Mildew of Bajra caused by
A. C. fusiformis
B. S. graminicola (Sclerospora)
C. T. penicillica
D. All of the above
The criteria of essentiality of nutrients in plants was given by
A. D. J. Nicholas
B. Arnon and Stout
C. J. S. Kanwar
D. M. S. Swaminathan
A. Manganese
B. Boron
C. Zinc
D. Iron
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