Summary
Broadening agronomic adaptation will improve yield stability in the grain legume Vicia faba L. We gathered information on the adaptation of European and Mediterranean material to European and Mediterranean environments. The material comprised 20 inbred lines (12 European and 8 Mediterranean lines) and 99 intra- and interpool-crosses in generation F1. These were evaluated in 9 environments: two spring-sown Southern German environments (SGermE), and seven autumn-sown Mediterranean environments (MedE) in Sicily, Puglia, Andalucia and South Africa. Standard ANOVA, stability analyses and AMMI analysis were performed. Mean yield in F1 was 257 g/row, the overall parental mean was 144 g/row. The range of environmental means was from 94 g/row to 411 g/row. The average regression coefficient in F1 was b i = 1.07, being significantly greater than for the parents (b i = 0.68). The opposite was true for the relative magnitude of the deviations from the regressions, which were highly correlated to the AMMI-PC1-results. The AMMI analysis clearly separated the SGermE from the MedE, as well as the germplasm pools. Though the superiority of the F1-hybrids over their parents was striking, their pattern of interactions with the environments strictly reflected that of their parents. A number of promising crosses was identified as a nucleus of a widely adapted faba bean genepool.
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© 1997 Springer Science+Business Media Dordrecht
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Link, W., Schill, B., Kittlitz, E. (1997). Breeding for wide adaptation in faba bean. In: Tigerstedt, P.M.A. (eds) Adaptation in Plant Breeding. Developments in Plant Breeding, vol 4. Springer, Dordrecht. https://doi.org/10.1007/978-94-015-8806-5_26
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DOI: https://doi.org/10.1007/978-94-015-8806-5_26
Publisher Name: Springer, Dordrecht
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