scholarly journals Increasing erucic acid content through combination of endogenous low polyunsaturated fatty acids alleles with Ld-LPAAT + Bn-fae1 transgenes in rapeseed (Brassica napus L.)

2008 ◽  
Vol 118 (4) ◽  
pp. 765-773 ◽  
Author(s):  
Ujjal K. Nath ◽  
Jeroen A. Wilmer ◽  
Emma J. Wallington ◽  
Heiko C. Becker ◽  
Christian Möllers
1964 ◽  
Vol 44 (1) ◽  
pp. 104-111 ◽  
Author(s):  
B. L. Harvey ◽  
R. K. Downey

Genetic analysis of F2, F3, and backcross populations supported the hypothesis that erucic acid content in seed oil of plants of Brassica napus L. is governed by two genes displaying no dominance and acting in an additive manner. Environment appeared to influence erucic acid content, especially in genotypes capable of producing a large amount of this acid. Methods for the breeding of plants of Brassica campestris L. with zero erucic acid are outlined and it is suggested that similar methods could be used to breed for or against other fatty acids.


2008 ◽  
Vol 23 (1) ◽  
pp. 125-138 ◽  
Author(s):  
Ujjal K. Nath ◽  
Gayatri Goswami ◽  
Rosemarie Clemens ◽  
Heiko C. Becker ◽  
Christian Möllers

1964 ◽  
Vol 44 (4) ◽  
pp. 359-364 ◽  
Author(s):  
B. R. Stefansson ◽  
F. W. Hougen

Erucic acid is the major and characteristic component of common rapeseed oils. Seed oils from a total of 125 strains from three species of Brassica (B. napus L., B. campestris L., and B. juncea (L.) Coss.) grown near Winnipeg in 1959 were analysed for erucic acid content. The range of variability for this component was similar to the range of previously reported values. Analyses of seed oils from individual plants revealed a greater range of variability and repeated selection resulted in isolation of rape strains (Brassica napus L.) from two different sources with seed oils containing only traces of erucic acid. Oleic has replaced erucic acid as the major constituent of these oils. Analysis of F2 data indicated that inheritance of erucic acid content is conditioned by two independent gene loci and that the dosage effect of the genes is additive. Pollen source exerts a direct effect on the composition of the oil (xenia effect).


2011 ◽  
Vol 41 (No. 3) ◽  
pp. 105-111 ◽  
Author(s):  
R. Koprna ◽  
V. Kučera ◽  
O. Kolovrat ◽  
M. Vyvadilová ◽  
M. Klíma

Doubled haploid (DH) self-incompatible (SI) regenerants with improved seed quality were derived after two improvement crossing cycles with different “00” quality donors. The original genetic resource of recessive sporophytic SI was characterised by a high glucosinolate (GSL) and erucic acid content. SI regenerants of satisfactory seed quality parameters were obtained from the second cycle of crossing. Total number of derived SI plants was 87, i.e. 38.2% out of 228 obtained fertile doubled haploid regenerants developed in 2004. Nine plants out of the analysed 45 SI DH regenerants had the erucic acid content lower than 2%. Five out of these nine plants, which were analysed by HPLC method, had the glucosinolate content lower than the limit 18 µmol/g at 9% seed moisture. The method based on the spraying of inflorescences with 5% NaCl to enable reproduction of SI lines was verified.  


1998 ◽  
Vol 96 (6-7) ◽  
pp. 852-858 ◽  
Author(s):  
M. Fourmann ◽  
P. Barret ◽  
M. Renard ◽  
G. Pelletier ◽  
R. Delourme ◽  
...  

2014 ◽  
Vol 2 (12) ◽  
pp. 918-924 ◽  
Author(s):  
Jin Yue ◽  
Pingping Shang ◽  
Gang Wang ◽  
Dan Liu ◽  
Ling Xu ◽  
...  

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