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2002 Sunflower Survey

This article describes the methods used in a sunflower survey conducted by Professor Lamey from North Dakota State University. The survey collected data on oil/confection yield, plant population, cultural practices, yield limiting factors, weeds, insects, diseases, and bird damage.

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2002 Sunflower Survey

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  1. 2002 Sunflower Survey Art Lamey Emeritus Professor North Dakota State University

  2. Survey Methods, 1 of 4 • 1 Field/5,000 Planted Acres • Data Recorded on: • Oil/confection • Yield and Plant Population • Cultural Practices • Yield Limiting Factors • Weeds, Insects, Diseases, Bird Damage

  3. Survey Methods, 2 of 4 • Samples Taken of Heads from Each Field: To USDA Insect Lab in Fargo • Damage Data on: • Seed Weevil • Banded Sunflower Moth • Sunflower Moth • Brown Spot (Confection Only) • Data Will Be Included in Summary Data

  4. Survey Methods, 3 of 4 • Survey Summary Sheet Prepared by Each Team • Summary Sheet e-Mailed to Max and Art • Art Prepared Summary Sheet for Each State • Art Prepared Summary Sheet for All States and Also SD and ND Districts

  5. Survey Methods, 4 of 4 • All Summary Sheets Copied to John Nowatzki • GIS Maps to be Constructed for Each State • Will Post on the Web • Missing Data • Data from two W. ND teams not received • State Total and Districts Marked with Asterisk*

  6. Oilseed or Confection

  7. Yield and Plant Population

  8. Row Spacing

  9. Tillage

  10. Major Yield Limiting Factor

  11. Weeds, 1 of 4

  12. Weeds, 2 of 4

  13. Weeds, 3 of 4

  14. Weeds, 4 of 4

  15. Ground Lodging

  16. Diseases

  17. Bird Damage

  18. Midge Damage

  19. Heads with Webbing

  20. Spotted SF Stem Weevil

  21. Long Horned Beetle

  22. Seed Weevil Damage

  23. Banded SF Moth Damage

  24. Sunflower Moth Damage

  25. Brown Spot Damage

  26. Summary Data Sheet • Three Parts • All States • SD Crop Reporting Districts • If State Totals Merit Analysis by District • ND Crop Reporting Districts • Key to Weed Assessments (Last Page) • Key to Yield Limiting Factors (Last Page)

  27. Survey Supported by a Grant from the National Sunflower Association and SBARE

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