Variability in seed quality traits in castor germplasm
2024
Velasco Varo, Leonardo | Pérez-Vich, Begoña | Garcés Mancheño, Rafael | Fernández-Martínez, José María | Junta de Andalucía | European Commission | Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
9 Páginas.-- 3 Tablas
Afficher plus [+] Moins [-]Castor is an industrial oilseed crop with great potential for biorefineries. However, little is known about the variability in the bioactive compounds in castor germplasm. This study evaluated seed weight, oil content, fatty acid profile, tocopherols, and phytosterols in 160 accessions of the USDA-ARS castor germplasm collection. The accessions were grown in Cordoba, Spain, under three different environmental conditions. Environmental and genotype-by-environment interaction effects were predominant for most traits, resulting in moderate to low broad-sense heritabilities, which ranged from 0.12 for total tocopherol content to 0.88 for hundred-seed weight. The genetic variability in the seed quality traits identified in the collection was lower than that reported previously for the germplasm of wild and semi-wild accessions from Spain, which is attributed to the lower genetic diversity in cultivated than in wild forms. The variation in seed quality traits in castor germplasm can be exploited to improve the concentration of bioactive compounds in castor cultivars.
Afficher plus [+] Moins [-]We thank Alberto Merino, Angustias Jiménez, and Plácida Nieto for skillful technical support. The research was funded by the Junta de Andalucía project P12-AGR-543, which was partly funded by FEDER funds.
Afficher plus [+] Moins [-]Peer reviewed
Afficher plus [+] Moins [-]Mots clés AGROVOC
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