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Eleven spring wheat cultivars were compared in terms of the stability of their grain yield and grain quality. The cultivars' stability was evaluated separately at two different crop management levels-moderate-input management and high-input management. Three stability models were used for the two crop management levels based on a linear mixed model framework with restricted maximum likelihood. The Shukla model was the most appropriate for the evaluation of stability of tested spring wheat cultivars. The thousand-grain weight, starch content, Zeleny sedimentation value and test weight were characterized, and the stability ranking cultivars at moderate-input management level was mostly consistent with the rank of cultivars 24 for high-input management level. For grain yield, grain protein content and wet gluten content, the stability rankings were not consistent. Cultivars 'Monsun' and 'Parabola' are the most stable cultivars for grain yield in moderate-input management and high-input management, respectively. Cultivar 'Hewilla' was the stable cultivar for all quality traits at moderate-input management. Cultivar 'Arabella' was the most stable cultivar at high-input management level.

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