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Question 4

Name at least five different deficiency symptoms in plants. Describe them and correlate them with the concerned mineral deficiency.

Answer

The five main deficiency symptoms arising in plants are:

• Chlorosis

• Necrosis

• Inhibition of cell division

• Delayed flowering

• Stunted plant growth

Chlorosis or loss of chlorophyll leads to the yellowing of leaves. It is caused by the deficiencies of nitrogen, potassium, magnesium, sulphur, iron, manganese, zinc, and molybdenum.



Necrosis is the death of plant tissues as a result of the deficiencies of calcium, magnesium, copper, and potassium.

Inhibition of cell division is caused by the deficiencies of nitrogen, potassium, sulphur, and molybdenum.

Delayed flowering is caused by the deficiencies of nitrogen, sulphur, and molybdenum.

Stunted plant growth is a result of the deficiencies of copper and sulphur.

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