What are the indications for mineral deficiency in plants?
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Solution
1. Chlorosis is a physiological disorder that occurs due to deficiency of the mineral elements (eg; Mn, K, Zn, Fe, Mg, P, S). Leaves become abnormally yellow.
2. Mottled is surface marked with colored spots eg Due to deficiency of N, Mg, P, S.
3. Necrosis refers to a patch of dead tissue, due to deficiency of Mg, K, Zn, Ca and No.