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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
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