Corn Growth and Development

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Table of Contents
Author: Agronomy Department
Email: x1farnha@exnet.iastate.edu
Home Page: http://extension.agron.iastate.edu

 

  1. Corn Growth and Development

  2. Corn Growth and Development

  3. The Corn Plant

  4. The Corn Seed

  5. PPT Slide

  6. Corn Staging

  7. Leaf Collar

  8. Stages of Development

  9. Germination and Emergence (VE)

  10. PPT Slide

  11. Germination and Emergence (cont’d)

  12. PPT Slide

  13. Early Vegetative Stages (VE to V5)

  14. PPT Slide

  15. Early Vegetative Stages (cont’d)

  16. PPT Slide

  17. PPT Slide

  18. Mid-vegetative Stages (V6 to V12)

  19. PPT Slide

  20. Mid-vegetative Stages (cont’d)

  21. PPT Slide

  22. Late Vegetative Stages (V15-VT)

  23. PPT Slide

  24. PPT Slide

  25. Late Vegetative Stages (cont’d)

  26. PPT Slide

  27. R1 Stage -- Silking

  28. PPT Slide

  29. R2 Stage -- Blister

  30. PPT Slide

  31. R3 Stage -- Milk

  32. PPT Slide

  33. R4 Stage -- Dough

  34. PPT Slide

  35. PPT Slide

  36. R5 Stage -- Dent

  37. PPT Slide

  1. “Milk Line”

  2. R6 Stage -- Physiological Maturity

  3. PPT Slide

  4. Kernel Maturation

  5. Troubleshooting

  6. Nitrogen Deficiency

  7. PPT Slide

  8. Phosphorus Deficiency

  9. Potassium Deficiency

  10. Herbicide Injury Gramoxone Drift

  11. Herbicide Injury Dicamba Late Application

  12. Herbicide Injury Dicamba Late Application

  13. Herbicide Injury Clethodim (Select)

  14. Herbicide Injury Acetanilide

  15. European Corn Borer

  16. European Corn Borer

  17. European Corn Borer

  18. Corn Rootworm Injury

  19. Common Stalk Borer Injury

  20. Common Stalk Borer Injury

  21. Seedling Disease

  22. Gray Leaf Spot

  23. Crazy Top

  24. Compaction

  25. Seed Furrow Compaction

  26. Rootless Corn

  27. Blunt Ear Syndrome

  28. Silk Balling

  29. Drought Stress

  30. Hail Damage

  31. Hail Damage

  32. Hail Damage Two Weeks Regrowth

  33. Prolificacy Multiple Ears

  34. Sandblasting Injury