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Walter Fehr
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Distinguished Professor (Emeritus) of Agronomy
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About Walter Fehr
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Distinguished Professor of Agronomy,
Iowa State University
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Agronomy and Crop Sciences
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Articles
Books
Extension and Outreach
ICM Publications
Reports
Patents
Articles
(5)
Article
Soybean Aphid (Hemiptera: Aphididae) Development on Soybean with Rag1 Alone ...
Journal of Economic Entomology (2012)
Shaylyn Lena Wiarda, Walter R. Fehr and Matthew E. O'Neal
Aphis glycines Matsumura (Hemiptera: Aphididae) can reduce the yield of aphidsusceptible soybean (Glycine max (L.) Merrill) cultivars. The Rag1 and ...
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Article
Effect of Seed Development Stage on Sphingolipid and Phospholipid Contents ...
Journal of Agricultural and Food Chemistry (2006)
Liping Wang, Tong Wang and Walter R. Fehr
Glucosylceramide (GlcCer) and ceramide (Cer) are the predominant sphingolipids (SL) in soybeans. They have been recognized as functional components in ...
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Article
HPLC Quantification of Sphingolipids in Soybeans with Modified Palmitate Content
Journal of Agricultural and Food Chemistry (2006)
Liping Wang, Tong Wang and Walter R. Fehr
Efficient separation and accurate quantification of sphingolipids (SL) are important for studying SL concentrations and biological functions. The objectives of ...
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Article
Seed physiological performance of soybeans with altered saturated fatty acid ...
Seed Science Research (2001)
Tong Wang, Teresa Harp, Earl G. Hammond, Joseph S. Burris, et al.
Soybean (Glycine max (L.) Merr.) seeds with elevated or reduced percentages of palmitate and elevated percentages of stearate were compared ...
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Article
Low-Saturated-Fat Soybean Oil Reduces Saturated Fat In School Menus
Journal of the Iowa Academy of Science (2001)
J. M. Mahnken, S. F. Lutz, C. J. Anders and W. R. Fehr
This study evaluated the impact of using low-saturated-fat soybean {Glycine max (L.) Merr.} oil on the saturated fat content of ...
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Books
(3)
Book
Principles of Cultivar Development: Theory and Technique
Agronomy Books (1991)
Walter Fehr
In this book, successful plant breeders share their experiences and that of their colleagues. They provide a step-by-step description of ...
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Book
Principles of Cultivar Development: Crop Species
Agronomy Books (1987)
Walter R. Fehr
The commercial production of any plant species depends on the availability of cultivars that meet the needs of the producer ...
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Book
Hybridization of Crop Plants
Agronomy Books (1980)
Walter R. Fehr and Henry H. Hadley
Hybridization and self-pollination are important aspects of research for the genetic improvement of crop plants. Hybridization is used to develop ...
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Extension and Outreach
(1)
Other
Cut the Fat—Keep the Flavor: Resource Unit About the ...
Extension and Outreach Publications (1999)
Melva L. Berkland, Debbie Curry, Walter Fehr, Lori Miller, et al.
This publication introduces advanced middle school or high school students to agricultural genetics advances that are bringing new products to ...
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ICM Publications
(4)
Presentation
Assessing the benefits of pyramids and seed treatments for soybean ...
Proceedings of the Integrated Crop Management Conference (2011)
Michael McCarville, Matthew E. O'Neal and Walter R. Fehr
Soybean aphid resistant varieties were first released commercially in 2010. Currently all commercially available resistant varieties incorporate the Rag1 (Resistance ...
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Presentation
Influence of the Rag1 and Rag2 genes on aphid resistance ...
Proceedings of the Integrated Crop Management Conference (2010)
Shaylyn L. Wiarda, Walter R. Fehr and Matthew E. O'Neal
Aphids have been causing economic damage to soybean in the United States since 2000 (Hartman et al., 2001). High aphid ...
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Presentation
Production and Marketing of Specialty Soybeans
Proceedings of the Integrated Crop Management Conference (1994)
Walter R. Fehr
The soybean breeding project at Iowa State University has been involved in the development of soybean cultivars for specific end ...
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Presentation
Impact of Biotechnology on Crop Production, Protection, and Utilization
Proceedings of the Integrated Crop Management Conference (1989)
Walter R. Fehr
Since the beginning of civilization, humankind has modified plants to better fit their needs for production of food, feed, and ...
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Reports
(2)
Unpublished Paper
Edamame (Vegetable Soybean) Variety Trial at Neely-Kinyon Farm, 2002
Iowa State Research Farm Progress Reports (2003)
Kathleen Delate, Heather Friedrich, Robert Burcham, Walter R. Fehr, et al.
Interest in edamame, or vegetable soybeans, has increased in the United States in recent years. Edamame soybeans are harvested immaturely, ...
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Unpublished Paper
Stages of soybean development
Special Report (1977)
Walter R. Fehr and Charles E. Caviness
Soybean development is a continuous process that begins when a seed germinates and is completed where a mature seed is ...
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Patents
(15)
Other
Soybean designated AX7017-1-3
Iowa State University Patents (1998)
Walter R. Fehr and Earl G. Hammond
A soybean seed is provided which exhibits an extremely high level of palmitic acid within the vegetable oil component of ...
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Other
Soybean vegetable oil having elevated concentrations of both palmitic acid ...
Iowa State University Patents (1998)
Walter R. Fehr and Earl G. Hammond
A soybean vegetable oil obtained by crushing and extraction from mature soybean seeds is provided in which the endogenously formed ...
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Other
Soybeans having low linolenic acid content and palmitic acid content ...
Iowa State University Patents (1998)
Walter R. Fehr and Earl G. Hammond
Methods are described for the production of soybean varieties and lines exhibiting linolenic acid contents of less than about 2.5% ...
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Other
Elevated palmitic acid production in soybeans
Iowa State University Patents (1998)
Walter R. Fehr and Earl G. Hammond
Soybeans (i.e., Glycine max L. Merr.) possessing a novel genetic determinant for the enhanced production of palmitic acid in the ...
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Other
A17 soybeans having low linolenic acid content and descendents
Iowa State University Patents (1998)
Walter R. Fehr and Earl G. Hammond
A novel soybean seed and plant designated A17 having ATCC Accession No. 40539 and its descendents are provided. Such soybean ...
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Other
Soybean designated elginEMS-421
Iowa State University Patents (1998)
Walter R. Fehr and Earl G. Hammond
A novel soybean seed and plant designated ElginEMS-421 having ATCC Accession No. 97617 and its descendents are provided. Such soybean ...
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Other
Soybeans having low linolenic acid and elevated stearic acid contents
Iowa State University Patents (1998)
Walter R. Fehr and Earl G. Hammond
A novel soybean seed and plant capable of producing the same are provided. Such soybean seed contains an endogenous linolenic ...
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Other
Soybeans having low linolenic acid and low palmitic acid contents
Iowa State University Patents (1998)
Walter R. Fehr and Earl G. Hammond
A novel soybean seed and plant designated AX7777-7-30 having ATCC Accession No. 97616 and its descendents are provided. Such soybean ...
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Other
A16 soybeans having low linolenic acid content and descendents
Iowa State University Patents (1998)
Walter R. Fehr and Earl G. Hammond
A novel soybean seed and plant designated A16 having ATCC Accession No. and its descendents are provided. Such soybean exhibits ...
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Other
Soybean designated A1937 NMU-85
Iowa State University Patents (1997)
Walter R. Fehr and Earl G. Hammond
A method is described for producing soybean varieties and lines exhibiting palmitic acid contents of at least about 18.0% up ...
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