2002 Sunflower Survey

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					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 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
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
                                      Oil   Conf

                    100%
% Fields Surveyed




                    80%

                    60%

                    40%

                    20%

                     0%
                           CO   KS   MN     NE     ND   SD   TX
              Yield and Plant Population
                               Yield   Plant Pop

              2000

              1500
Yield, lb/A




              1000

              500

                0
                     CO   KS      MN     NE        ND   SD   TX
                                 Plant Population/10
                    Row Spacing
                                     20< (-)   20> (+)

                    100%
% Surveyed Fields




                    80%

                    60%

                    40%

                    20%

                     0%
                           CO   KS     MN      NE   ND   SD   TX
                    Tillage
                           No Till    Minimum Till   Conventional

                    100%
% Surveyed Fields




                     80%

                     60%

                     40%

                     20%

                     0%
                           CO        KS   MN   NE    ND    SD       TX
                    Major Yield Limiting Factor
                              Drought   Population   Disease    Weeds

                    90
                    80
% Surveyed Fields




                    70
                    60
                    50
                    40
                    30
                    20
                    10
                     0
                         CO      KS     MN    NE     ND        SD   TX
                  Weeds, 1 of 4
                            Can Thistle   Cocklebur   Devils Claw
                  2

                 1.6
0-3 Weed Scale




                 1.2

                 0.8

                 0.4

                  0
                       CO      KS    MN     NE    ND     SD     TX
                  Weeds, 2 of 4
                            Kochia   Marshelder   Nightshade
                  2

                 1.6
0-3 Weed Scale




                 1.2

                 0.8

                 0.4

                  0
                       CO    KS      MN   NE      ND   SD      TX
                  Weeds, 3 of 4
  Palmer Amaranth                Puncture Vine   RR Pigweed   Russ Thistle
                  2

                 1.6
0-3 Weed Scale




                 1.2

                 0.8

                 0.4

                  0
                       CO   KS     MN    NE      ND   SD      TX
                  Weeds, 4 of 4
             Barnyard Grass      Green Foxtail   Yellow Foxtail    Vol Grain
                  2

                 1.6
0-3 Weed Scale




                 1.2

                 0.8

                 0.4

                  0
                       CO   KS     MN     NE     ND     SD        TX
                    Ground Lodging
                   12

                   10
% Ground Lodging




                    8

                    6

                    4

                    2

                    0
                        CO   KS   MN   NE   ND   SD   TX
                      Diseases
        Sclerotinia Head Rot          Phomopsis    Rhizopus   Verticillium

                      20
% Disease Incidence




                      15


                      10


                      5


                      0
                           CO   KS   MN   NE      ND   SD     TX
                Bird Damage
                              Edge   Interior

                7
                6
% Bird Damage




                5
                4
                3
                2
                1
                0
                    CO   KS   MN     NE         SD   ND   TX
                      Midge Damage
                                     Edge    Interior
                     0.3

                    0.25
Damage, 0-5 Scale




                     0.2

                    0.15

                     0.1

                    0.05

                      0
                           CO   KS   MN     NE    ND    SD   TX
                 Heads with Webbing
                                Edge    Interior

                 70
                 60
% Heads Webbed




                 50
                 40
                 30
                 20
                 10
                 0
                      CO   KS   MN     NE   ND     ND   TX   SD
                    Spotted SF Stem Weevil
                                   Edge    Interior

                    80
                    70
% Plants Infested




                    60
                    50
                    40
                    30
                    20
                    10
                    0
                         CO   KS   MN     NE   ND     SD   TX
                     Long Horned Beetle
                                    Edge    Interior

                    45
                    40
% Plants Infested




                    35
                    30
                    25
                    20
                    15
                    10
                     5
                     0
                         CO   KS   MN      NE   ND     SD   TX
                 Seed Weevil Damage
                               Edge   Interior

                18
                16
% Seed Damage




                14
                12
                10
                 8
                 6
                 4
                 2
                 0
                     CO   KS   MN     NE         ND   SD   TX
                  Banded SF Moth Damage
                                Edge   Interior

                 3

                2.5
% Seed Damage




                 2

                1.5

                 1

                0.5

                 0
                      CO   KS   MN      NE        ND   SD   TX
                    Sunflower Moth Damage
                               Edge   Interior

                6

                5
% Seed Damage




                4

                3

                2

                1

                0
                     CO   KS   MN     NE         ND   SD   TX
                Brown Spot Damage
                              Edge   Interior

                9
                8
% Seed Damage




                7
                6
                5
                4
                3
                2
                1
                0
                    CO   KS   MN     NE         ND   SD   TX
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