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Question

The appearance of yellow edges to leaves is due to deficiency of which mineral element?

A
Calcium
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B
Sodium
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C
Potassium
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D
Sulphur
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E
Molybdenum
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Solution

The correct option is C Potassium
Potassium is an important essential macronutrient. The deficiency symptoms of potassium include marginal and interveinal mottled chlorosis and necrosis appearing first in older leaves, loss of apical dominance, dieback, bushy habit, shorter internodes, loss of cambial activity, plastid disintegration, premature death etc.

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