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Exploring and Predicting Genetic Causes of Yield Variation inWinter Wheat

For most economically important plant species, yield is the primary focus of crop

improvement, as increasing it increases the amount of food that can be obtained from a

production system by human activity. Growers of soft red winter wheat (Triticum aestivum

L.) receive a return on investment in proportion to their per-acre yield, given that harvested

grain meets quality standards. Yield is also genetically complex, integrating information on

interactions between genotype and environment that occur over the course of a growing

season. Yield relates to the total accumulated and reallocated resources obtained by plants

over the course of their lives, and any factors that affect any aspect of plant growth and

development will also affect yield. These complex interactions between genetic variation

and environmental variation are difficult to untangle. By understanding important parts of

those interactions, breeders and geneticists may better develop cultivars that maximize

performance across a range of possible environmental conditions.

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Read the full research article below by:

Department of Crop and Soil Sciences, North Carolina State University, Raleigh, NC, USA

USDA-ARS SEA, Plant Science Research, Raleigh, NC, USA

Department of Crop and Soil Sciences, University of Georgia, Athens, GA, USA

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