Evaluation of yield, yield stability, and yield–protein relationship in 17 commercial faba bean cultivars

Cathrine Kiel Skovbjerg*, Jens Nørgaard Knudsen, Winnie Füchtbauer, Jens Stougaard, Frederick L. Stoddard, Luc Janss, Stig Uggerhøj Andersen

*Corresponding author af dette arbejde

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2 Citationer (Scopus)


Faba bean is a legume crop with high protein content and considerable potential for wider cultivation in cool climates. However, it has a reputation for having unstable yield with large interannual variability, mostly attributed to yearly variation in rainfall. In this study, 17 commercial cultivars of faba bean were evaluated for seed yield, yield stability and the relationship between seed yield and protein content at four locations in Denmark and Finland during 2016–2018. We found that location and year effects accounted for 89% of the total seed yield variation. Cultivar × environment (GxE) interactions were small (2.4%) and did not cause reranking of cultivars across environments. Yield stability contributed little to the mean yield of the cultivars, as high-yielding cultivars consistently outperformed the lower yielding genotypes, even under the most adverse conditions. Similarly, GxE effects on protein content were limited, and we found an overall negative correlation of −0.61 between seed yield and protein content for the cultivars and environments studied. These data may be helpful for selecting cultivars for field use or for use in breeding programmes, considering that future faba bean pricing could depend on both protein quantity and concentration.

TidsskriftLegume Science
StatusUdgivet - sep. 2020


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