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You Are Here Growers > Yield Trials and Crop Survey > Yield Trials & Hybrid Disease Ratings




Yield Trials & Hybrid Disease Ratings

Yield trials are an important way for producers to look at a hybrid's performance in several locations, over several years and environments. Yield is one component of the trials. In 2004, 2005 and 2006 all of the trials were conducted by USDA or university personnel. Some of the trials prior to those years were coordinated by the National Sunflower Association. New in 2005 was a disease rating for Sclerotinia stalk rot, downy mildew and rust. Seed companies may have additional trial and disease rating information.

Colorado  Disease Ratings  Insect Tolerance Ratings  Kansas  Kentucky
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2011

Mapleton, ND, Insect Tolerance Ratings: 2011 SF Midge Hybrid Evaluation
Mapleton_ND_Midge.Evaluation_11.pdf - .pdf - 13 kb - Acrobat Reader


2010

Mapleton, ND, Insect Tolerance Ratings: Sunflower Midge Hybrid Update
Mapleton_ND_MidgeEvaluation_10.pdf - .pdf - 13 kb - Acrobat Reader


2009

Mapleton, ND, Insect Tolerance Ratings: SF Midge Maggot Moth Hybrid Trials
Mapleton_ND_MidgeMagMoth_Hybrid_09.pdf - .pdf - 56 kb - Acrobat Reader

Mapleton, ND, Insect Tolerance Ratings: SF Midge Maggot Moth Trials Guide
Mapleton_ND_MidgeMagMoth_GUIDE_09.pdf - .pdf - 58 kb - Acrobat Reader


2008

Mapleton, ND, Insect Tolerance Ratings: Sunflower Midge & Maggot Update
Mapleton_ND_MidgeMaggot_08.pdf - .pdf - 13 kb - Acrobat Reader


2006

Mapleton, ND, Insect Tolerance Ratings: Sunflower Midge Hybrid Update
Mapleton_ND_Midge_Hybrid_06.pdf - .pdf - 14 kb - Acrobat Reader


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