Purpling of leaves is common deficinary symptoms of __________________?
Correct answer: A. Phosphorus
- A. Phosphorus
- B. Iron
- C. Potassium
- D. Nitrogen
Explanation
Phosphorus deficiency commonly causes anthocyanin accumulation, giving older leaves a reddish-purple or purplish appearance. Iron deficiency mainly produces yellowing of young leaves, while nitrogen deficiency causes general yellowing of older leaves.
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