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Benefits of Blended Soybean Varieties

 

Benefits of Blended Soybean Varieties

Objective

  • Compare yield performance and economic value of blending 2 Pioneer® brand soybean varieties versus a single variety on fields with challenging variability.
Blended soybean research plot in Mount Vernon, S.D. (Sept. 18, 2013).

Study Description

  • Trials were placed at sites where yield may be reduced by 1 or more of the following: iron deficiency chlorosis, soil variability, soybean cyst nematode or drainage issues.
  • Soybean varieties selected to manage field variability were of similar relative maturity.

 

Locations: 12 locations in South Dakota and Minnesota 
Replicates:   1-2 per location 
Plot Layout:    Whole field or partial field strip trials
Pioneer® Brand Soybean Varieties Planted
S.D./Minn. Locations Pioneer® Variety/Brand¹
1 S.D. location 91Y70 (RR) / 91Y90 (RR)
3 S.D. locations 92Y70 (RR) / 92Y83 (RR)
1 S.D. location 92Y70 (RR) / 93M11 (RR)
1 S.D. location 91Y90 (RR) / P19T60R (RR) and
P24T19R (RR) / P25T51R (RR)
1 S.D. location P25T51R (RR) / P24T19R (RR) and
92Y70 / 92Y83 (RR)
1 S.D. location 90Y81 (RR) / 90M80 (RR) and
91Y70 (RR) / 91Y90 (RR)
1 S.D. location 92Y83 (RR) / 92Y70 (RR) and
92Y51 (RR) / P25T51R (RR)
3 Minn. locations 92Y22 (RR) / P22T69R (RR)

Results

  • Blended and single varieties yielded similarly across locations, with an average yield of
    50.3 bu/acre for single varieties and 50.7 bu/acre for blended varieties.
  • Blended variety trials will continue in 2014.
Blended Soybean Trial Summary of 12 Locations
Blended
Varieties
Yield (bu/acre)
Single
Varieties
Yield (bu/acre)
Yield
Advantage
%
Wins
AGI*
Advantage
50.7 50.3 +0.4 52% $5.00
*AGI= Adjusted Gross Income/acre advantage is calculated with the price of soybeans at $13 per bushel.

Research conducted by DuPont Pioneer field agronomists and written by Jim Ruhland as part of DuPont Pioneer Agronomy Science field trials.


¹All Pioneer products are varieties unless designated with LL, in which case some are brands.

Pioneer® brand products are provided subject to the terms and conditions of purchase which are part of the labeling and purchase documents. 2013 data are based on average of all comparisons made in 12 locations through November 2013. Multi-year and multi-location is a better predictor of future performance. Do not use these or any other data from a limited number of trials as a significant factor in product selection. Product responses are variable and subject to a variety of environmental, disease, and pest pressures. Individual results may vary.

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Glyphosate Tolerant    R - Contains the Glyphosate Tolerant trait. Always follow grain marketing, stewardship practices and pesticide label directions. Varieties with the Glyphosate Tolerant trait (including those designated by the letter “R” in the product number) contain genes that confer tolerance to glyphosate herbicides. Glyphosate herbicides will kill crops that are not tolerant to glyphosate.