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Genetic control of fatty acid composition in seed oil of Sinapis alba L.
Year:
1993
Source of publication :
Euphytica
Authors :
Ecker, Ron
;
.
Yaniv, Zohara
;
.
Volume :
69
Co-Authors:
Ecker, R., Department of Ornamental Horticulture, The Volcani Center, POB 6, Bet Dagan, Israel
Yaniv, Z., Department of Field Crops, Agricultural Research Organization, The Volcani Center, POB 6, Bet Dagan, Israel
Facilitators :
From page:
45
To page:
49
(
Total pages:
5
)
Abstract:
Inheritance of fatty acid composition was studied in an F1 diallel cross in Sinapis alba. Crosses were made among accessions having contrasting amounts of oleic (C18:1) and erucic (C22:1) acid. Concentrations of oleic, linoleic (C18:2), eicosenoic (C20:1) and erucic (C22:1) acids were determined by gas-chromatography for each mating combination. Genetic analysis confirmed that the composition of the fatty acids was controlled mainly by the nuclear genes of the embryo. Additive gene action with partial dominance for the reducing alleles was noted for oleic and linoleic acids, while erucic acid showed an additive mode of inheritance with partial dominance for the enhancing alleles. Positive heterosis was demonstrated for eicosenoic acid content. Erucic acid content was strongly negatively correlated with oleic acid, suggesting a genetic interdependence between the two fatty acids. Broad-sense and narrow-sense heritability estimates for each of oleic, linoleic and erucic acids were very high, due to low between-plants non-genetic component of variance. © 1993 Kluwer Academic Publishers.
Note:
Related Files :
fatty acids
inheritance
Seed oil
Sinapis alba
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Related Content
More details
DOI :
10.1007/BF00021724
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
24327
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:06
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Scientific Publication
Genetic control of fatty acid composition in seed oil of Sinapis alba L.
69
Ecker, R., Department of Ornamental Horticulture, The Volcani Center, POB 6, Bet Dagan, Israel
Yaniv, Z., Department of Field Crops, Agricultural Research Organization, The Volcani Center, POB 6, Bet Dagan, Israel
Genetic control of fatty acid composition in seed oil of Sinapis alba L.
Inheritance of fatty acid composition was studied in an F1 diallel cross in Sinapis alba. Crosses were made among accessions having contrasting amounts of oleic (C18:1) and erucic (C22:1) acid. Concentrations of oleic, linoleic (C18:2), eicosenoic (C20:1) and erucic (C22:1) acids were determined by gas-chromatography for each mating combination. Genetic analysis confirmed that the composition of the fatty acids was controlled mainly by the nuclear genes of the embryo. Additive gene action with partial dominance for the reducing alleles was noted for oleic and linoleic acids, while erucic acid showed an additive mode of inheritance with partial dominance for the enhancing alleles. Positive heterosis was demonstrated for eicosenoic acid content. Erucic acid content was strongly negatively correlated with oleic acid, suggesting a genetic interdependence between the two fatty acids. Broad-sense and narrow-sense heritability estimates for each of oleic, linoleic and erucic acids were very high, due to low between-plants non-genetic component of variance. © 1993 Kluwer Academic Publishers.
Scientific Publication
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