Nitrogen Uptake, Distribution and Utilization in Hard Red Spring Wheat Varieties


Start Date: 2010

Principal Investigator: Albert Sims

Organization: University of Minnesota, Southern, Southwest and Northwest Research and Outreach Centers

Status: Complete

Background Information:

Hard red spring wheat was grown on approximately 1.75 million acres in Minnesota and contributed $700 million to the state’s economy in 2008. Hard red spring wheat varieties being grown in Minnesota vary in their grain yield and grain protein concentrations. These variations are caused by translocation of similar amounts of N (protein) in the grain being diluted by variations in biomass (yield) in the grain, differing amounts of N translocated to the grain with similar biomass, or a combinations of both. These characteristics suggest varieties differ in their utilization of N for grain yield and grain protein production.

Key Findings:

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