Question

Deficiency of potassium in plant leads to

• A. Increased apical dominance
• B. Decreased apical dominance
• C. Increased monopodial growth
• D. Increased secondary growth

Answer 1

Answer: (B)

Decreased apical dominance

Potassium is an essential macronutrient for plants. Its deficiency leads to marginal and interveinal mottling, chlorosis and necrosis, first appearing in older leaves, loss of apical dominance, die back disease, bushy habit shorter internodes, loss of cambial activity, plastid disintegration etc.