name any six minerals whose deficiency causes disease in plants. give the symptoms of each deficiency
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(i) Macro-Nutrients: They are required in larger concentrations and they are obtained from soil.
The three macro-nutrients (minerals) whose deficiency causes diseases in plants are:
Nitrogen (N) – Yellowing of leaves,wrinkling of cereal grains.
Phosphorus (P) – Purple and red spots on leaves, delay in seed germination.
Potassium (K) – Poor Growth
(ii) Micro Nutrients: They are required in small amounts and they are also obtained from soil.
The three micro-nutrients(minerals) whose deficiency causes diseases in plants are:
Iron (Fe) – Yellowing of Leaves.
Manganese (Mn) – Yellowing of leaves, with grey spots.
Zinc (Zn) Desphaped leaves, yellowing of leaves, stunted plant growth.
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