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Genotype × Environment × Management: Implications For Selection To Heat Stress Tolerance And Nitrogen Use Efficiency In Soft Red Winter Wheat, Kathleen Russell
Genotype × Environment × Management: Implications For Selection To Heat Stress Tolerance And Nitrogen Use Efficiency In Soft Red Winter Wheat, Kathleen Russell
Theses and Dissertations--Plant and Soil Sciences
The complex interaction of genetics, environment and management in determination of crop yields can interfere with selection progress in breeding programs. Specifically, the impact on selection for nitrogen use efficiency (NUE) in wheat (Triticum aestivum L.) under changing climatic conditions can be confounded by these interactions. Temperature increases for the southeastern United States are projected to range from 1-3°C by 2050 with nighttime temperatures increasing more rapidly than day temperatures. High temperatures are known to affect crop development and breeding for tolerance to heat stress is difficult to achieve in field environments. We utilized a multi-environment trial to assess …