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Article

Utilization of Evolutionary Plant Breeding Increases Stability and Adaptation of Winter Wheat Across Diverse Precipitation Zones

1
Department of Crop and Soil Science, Washington State University, Pullman, WA 99164, USA
2
Department of Crop and Soil Science, Washington State University, Mount Vernon Research and Extension Center, Mount Vernon, WA 98273, USA
*
Author to whom correspondence should be addressed.
Sustainability 2020, 12(22), 9728; https://doi.org/10.3390/su12229728
Received: 20 October 2020 / Revised: 15 November 2020 / Accepted: 19 November 2020 / Published: 21 November 2020
(This article belongs to the Section Sustainable Agriculture)
Evolutionary plant breeding (EPB) is a breeding method that was used to create wheat (Triticum aestivum L.)-evolving populations (EP), bi-parental and composite-cross populations (BPPs and CCPs), by using natural selection and bulking of seed to select the most adaptable, diverse population in an environment by increasing the frequency of favorable alleles in a heterogeneous population. This study used seven EPs to evaluate EPB in its ability to increase the performance of agronomic, quality, and disease resistance traits and adaptability across different precipitation zones. The populations were tested in field trials in three diverse locations over 2 years. Least significant differences showed the EPs performance was dependent on their pedigree and were statistically similar and even out-performed some of their respective parents in regards to grain yield, grain protein concentration, and disease resistance. Stability models including Eberhart and Russel’s deviation from Regression (S2di), Shukla’s Stability Variance (σi2), Wricke’s Ecovalance (Wi), and the multivariate Additive Main Effects and Multiplicative Interaction (AMMI) model were used to evaluate the adaptability of the EPs and their parents. The BPPs and CCPs demonstrated significantly greater stability over the parents across precipitation zones, confirming the capacity of genetically diverse EP populations to adapt to different environments. View Full-Text
Keywords: evolutionary plant breeding; evolving populations; bi-parental population; composite-cross population; natural selection; stability evolutionary plant breeding; evolving populations; bi-parental population; composite-cross population; natural selection; stability
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MDPI and ACS Style

Merrick, L.F.; Lyon, S.R.; Balow, K.A.; Murphy, K.M.; Jones, S.S.; Carter, A.H. Utilization of Evolutionary Plant Breeding Increases Stability and Adaptation of Winter Wheat Across Diverse Precipitation Zones. Sustainability 2020, 12, 9728. https://doi.org/10.3390/su12229728

AMA Style

Merrick LF, Lyon SR, Balow KA, Murphy KM, Jones SS, Carter AH. Utilization of Evolutionary Plant Breeding Increases Stability and Adaptation of Winter Wheat Across Diverse Precipitation Zones. Sustainability. 2020; 12(22):9728. https://doi.org/10.3390/su12229728

Chicago/Turabian Style

Merrick, Lance F., Steven R. Lyon, Kerry A. Balow, Kevin M. Murphy, Stephen S. Jones, and Arron H. Carter. 2020. "Utilization of Evolutionary Plant Breeding Increases Stability and Adaptation of Winter Wheat Across Diverse Precipitation Zones" Sustainability 12, no. 22: 9728. https://doi.org/10.3390/su12229728

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