Deficiency of molybdenum causes:

Which mineral deficiency causes the 'Exanthema' disease in citrus plants?

Which mineral deficiencies appear in plants due to manganese toxicity?

Plants show certain morphological changes due to the absence of a specific element. These morphological changes are indicative of the deficiency of that particular element,which are called $........$ of the element.

In a $Citrus$ plantation,all the plants were found to be suffering from the die-back disease,and spraying of fungicides was of no help. This problem was due to the deficiency of:

If the size of fruits diminishes in plants,which mineral ion should be added to the soil?