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United States Department of Agriculture

Agricultural Research Service

Research Project: Drought, heat, and flood tolerant varieties for the Midwest and South: Building on Success

Location: Soybean and Nitrogen Fixation Research

Project Number: 6070-21220-068-30-R
Project Type: Reimbursable Cooperative Agreement

Start Date: Jan 1, 2014
End Date: Dec 31, 2016

The chief production problem in soybean is August drought and heat. Yield contest winners in the USA report soybean yield as high as 80 bu/ac while state averages are usually one-half that amount. The August stress problem is so severe, because none of our U.S. varieties is truly stress tolerant. The central purpose of our research is to change the ‘stress equation’ for farmers by developing stress tolerant varieties. This USB drought, heat, and flooding project coordinates the research activities of 8 institutions in the Midwest and South. The USB Team is arguably the best in the world for attacking this difficult problem.

1. Identify soybean physiological pathways involved with improved water use efficiency and ability of plants to tolerate periods of drought stress. 2. Determine the genetic and metabolic factors involved in the ability of soybean to tolerate drought, flooding, and heat stresses. 3. Understand factors that control soybean root growth and their impact on drought and flooding tolerance. 4. Develop soybean germplasm with enhance ability to tolerate drought, flooding and heat stresses.

Last Modified: 10/17/2017
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