Symptoms
Growth of the plant is clearly inhibited, and the plants turn pale green. The leaves start wilting from the leaf tips and margins, the tissue dies off afterwards and shows a brown/yellow colour.
Reasons
Molybdenum deficiency on young plant
Since deficiency symptoms of molybdenum are promoted by low pH, Mo deficiency may be mistaken as calcium deficiency. However with Ca deficiency the youngest leaves are more crinkled and darker green, which can not be confused with Mo deficiency.