Botany · Plant Nutrition
Evaluate the following statements regarding nutrient mobility and symptom localisation in plants: Statement I: Calcium deficiency manifests in older leaves because Ca2+ is rapidly mobilised via the phloem to support growing tissues. Statement II: Sulfur deficiency resembles nitrogen deficiency in young leaves because both elements are phloem-immobile. Statement III: Potassium deficiency causes marginal scorch on older leaves because K+ is mobile and redistributed to younger tissues.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1More than one of the above
- 2Only Statement II is correct
- 3Statements II and III are correct
- 4Only Statement III is correct✓
Correct answer
Only Statement III is correct
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