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2008 National Sunflower Association Survey Project Leader: Dr. Duane Berglund, Retired NDSU Extension Agronomist and Professor Emeritus- Crop Science North Dakota-77 Minnesota-18 South Dakota-26 Kansas-14 Colorado-7 Oklahoma 2 Manitoba 18 T0TAL- 162 2008 Sunflower Survey- # Fields

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2008 national sunflower association survey l.jpg

2008 National Sunflower Association Survey

Project Leader:

Dr. Duane Berglund, Retired NDSU Extension Agronomist and Professor Emeritus- Crop Science


2008 sunflower survey fields l.jpg

North Dakota-77

Minnesota-18

South Dakota-26

Kansas-14

Colorado-7

Oklahoma 2

Manitoba 18

T0TAL- 162

2008 Sunflower Survey- # Fields


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2008 Sunflower Survey

  • Only counties with 20,000 planted Acres or more

  • One field stop per 10,000 Acres

  • Fields Surveyed in 2005- 146

  • Fields Surveyed in 2006 – 162

  • Fields Surveyed in 2007 – 158

  • Fields Surveyed in 2008 -- 162


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2008 Crop Survey Teams


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2008 Crop Survey Teams







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Sunflower Yield 2008-NSA and USDA/Ag. Statistics




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Disease 17

Plant spacing 12

Weeds 8

Birds 6

Lodging 6

Other 6

Drought 5

Hail 2

Insects 1

Herb. Dam. 0

Drowned outs 0

No Problem 13

2008 # 1 Yield Limiting Factors- N. Dak. (77 Fields)



2008 2 yield limiting factors n dak 77 fields l.jpg

Disease 3

Plant spacing 7

Weeds 9

Birds 3

Lodging 4

Other 5

Drought 3

Hail 0

Insects 5

Herb. Dam. 1

Drowned outs 1

No Problem 38

2008 # 2Yield Limiting Factors- N. Dak. (77 Fields)


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Disease 10

Plant spacing 1

Weeds 2

Birds 0

Lodging 0

Other 2

Drought 0

Hail 0

Insects 1

Herb. Dam. 0

Drowned outs 0

No Problem 2

2008 # 1Yield Limiting Factors- Minnesota (18 Fields)


2008 2 yield limiting factors minn 18 fields l.jpg

Disease 1

Plant spacing 2

Weeds 2

Birds 2

Lodging 2

Other 0

Drought 0

Hail 1

Insects 2

Herb. Dam. 0

Drowned outs 0

No Problem 6

2008 # 2Yield Limiting Factors- Minn. (18 Fields)






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Red Rust Severity in Sunflower

Rust Severity Estimated for Fields Where Incidence Reported


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Sclerotinia Head Rotin Sunflower 2008


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Phomopsisin Sunflower 2008





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Insect Seed Damage Incidence-2008


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Insect Seed Damageby Moths-2008


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Moth Damage Incidence in 2008 Sunflower Survey


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SF Head Damage in 2008 Sunflower Survey



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North Dakota

Kochia

Canada Thistle

Marshelder

Green Foxtail

Wild Buckwheat

Biennial wormwood

Minnesota

Common ragweed

Biennial wormwood

Redroot pigweed

Kochia

Top Weeds Observed: 2008




Top weeds in south dakota and manitoba 2008 l.jpg

South Dakota 2008

Redroot pigweed

Kochia

Green foxtail

Russian thistle

Manitoba

Canada thistle

Kochia

Redroot pigweed

Common ragweed

Wild mustard

Top Weeds in South Dakota and Manitoba: 2008



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Incidence of Grassy Weeds 2008South Dakota 2006, 2007 & 2008



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Kansas weeds 2008

Palmer Amaranth

Kochia

Puncture vine

Volunteer Grain

Devils Claw

Colorado Weeds

Russian thistle

Redroot pigweed

Puncture vine

Lanceleaf sage

Cocklebur

Top Weeds Observed: 2008