Genotypic diversity and patterns of variation in a germplasm material of Ethiopian mustard (Brassica carinata A. Braun)
By Netsanet Alemayehu, H. Becker. Genetic Resources and Crop Evolution, 2002
125 citations recorded by the source corpus.
The amphidiploid species Brassica carinata A. Braun is believed to have originated in the plateaus of Ethiopia and has been cultivated there as an oilseed crop since antiquity. The species possesses agronomically important genes of rare occurrence. Although there is a large number of collections in Ethiopia, information on the extent of their genetic diversity is very limited. Thirty-six accessions of ecologically diverse regions were tested at three locations and multivariate analyses on 13 morphological and seed characters were performed. There was generally a large amount of divergence in all characters. Geographic isolation of genes, however, was not observed. Both principal component and cluster analyses disclosed complex relationships among the accessions and characters. Accessions with potential genes of interest to improve earliness, yield components and oil and protein contents have been identified. Length of growing period and yield components contributed most for divergence and clustering pattern. Oil, glucosinolate and protein contents also varied among the accessions but not so much between clusters. Increasing protein in high-glucosinolate genotypes reduced oil content and should be more efficient in genotypes of low-glucosinolate genetic background.
Subfields: Biochemistry, Molecular Biology
View Paper: https://www.semanticscholar.org/paper/2be3265341c7a76dfba45c90a6aacccc45f1fed0
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Citations in the corpus
- Interspecific Hybridization for Brassica Crop Improvement (2019, background): “Brassica carinata (BBCC, 2n = 4x = 34), also called Ethiopian mustard, possesses wide genetic variability and is also used as an oilseed crop [30].”
- Brassica carinata – a new molecular farming platform for delivering bio‐industrial oil feedstocks: case studies of genetic modifications to improve very long‐chain fatty acid and oil content in seeds (2010, methodology): “carinata accessions.(7) Genetic diversity analysis utilizing both AFLP (amplii ed restriction fragment length polymorphism) and RAPD (random amplii cation of polymorphic DNA) techniques display high levels of variation within lines collected in Ethiopia, yet no geographical clustering was apparent.”
- Genetic Variation of Ethiopian Mustard (Brassica carinata A. Braun) Germplasm in Western Canada (2006, background): “carinata, however, indicated high diversity for agriculturally important traits (Engels 1984; Getinet et al. 1996; Alemayehu and Becker 2002).”