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Nutrition

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  • Iron deficiency showing chlorotic leaves in a lemon tree. Compare yellow clorotic leaves with the green non chlorotic leaves at left of this image
  • Transcript

    • 1. Q. Define nutrition . Nutrition
    • 2. • The sum total of all the processes involved in the taking in and utilisation (use) of elements by which…..
    • 3. • Growth• Repair• Maintenance of activities in the organism are accomplished(completed)
    • 4. Nitrogen• In proteins
    • 5. Phosphorus• In ATP, nucleic acids.
    • 6. Magnesium• In chlorophyll
    • 7. Iron• In cytochrome
    • 8. • SOIL
    • 9. Describe the role of different elements in plant nutrition• Carbon• Hydrogen• Oxygen• Nitrogen• Phosphorus• Magnesium• Iron• Potassium
    • 10. • All of these elements plants need for synthesis of organic molecules.
    • 11. Deficiency of elements• Can cause serious diseases with clear symptoms.
    • 12. Nitrogen Deficiency• Stunted growth (stopped abnormally in growth or development. )• Strong chlorosis (lack of chlorophyll) particularly in older leaves.•
    • 13. Phosphorus DeficiencyCauses stunted growth of roots
    • 14. Phosphorus Deficiency poor growthFruits are small and acid tasting.
    • 15. Potassium Deficiency• Leaf margins get yellow and brown.• Premature death of plants
    • 16. Iron Deficiency• Symptoms include leaves turning yellow or brown in the margins between the veins which may remain green, while young leaves may appear to be bleached. Fruit would be of poor quality and quantity. Any plant may be affected, but raspberries and pears are particularly susceptible