2002 Sunflower Survey Art Lamey Emeritus Professor North Dakota State University
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
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
Survey Methods, 3 of 4 Survey Summary Sheet Prepared by Each Team Summary Sheet ed to Max and Art Art Prepared Summary Sheet for Each State Art Prepared Summary Sheet for All States and Also SD and ND Districts
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*
Oilseed or Confection
Yield and Plant Population
Row Spacing
Tillage
Major Yield Limiting Factor
Weeds, 1 of 4
Weeds, 2 of 4
Weeds, 3 of 4
Weeds, 4 of 4
Ground Lodging
Diseases
Bird Damage
Midge Damage
Heads with Webbing
Spotted SF Stem Weevil
Long Horned Beetle
Seed Weevil Damage
Banded SF Moth Damage
Sunflower Moth Damage
Brown Spot Damage
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)
Survey Supported by a Grant from the National Sunflower Association and SBARE