njlpkhgea
Rozgadany ;)
Dołączył: 13 Gru 2010
Posty: 547
Przeczytał: 0 tematów
Ostrzeżeń: 0/5 Skąd: England
|
Wysłany: Pon 10:30, 24 Sty 2011 Temat postu: Winter oilseed rape in the high oleic acid mutant |
|
|
Winter oilseed rape genetic high oleic acid mutant
Planted in single row plots, each inbred genotype 4 strains. Analysis of all hybrid plants self seed samples and the growth of greenhouse plants (1996), fatty acid composition of individual seeds. In the M5 generation, in the winter oilseed rape varieties Lisabeth (P1) and two mutant strains 19661 (P2 / 1) and 19517/7507 (P2 / 2) between the reciprocal cross. To nurture F,[link widoczny dla zalogowanych],, BCBC. And the R groups. Parental strains,[link widoczny dla zalogowanych], F 【, FBC. , BC, and in the F2 generation of cell growth in the field, and each generation plants were selfed. Of hybrid seed from the cross of its fatty acid content. Determination of eight high oleic acid mutant strains and from the combination of a separate 19517/7507 × Wotan group of fatty acids in leaves and roots. Determined by gas chromatography alone and hybrid seed samples of the seed fatty acid composition. The results show that: the two point mutations in position may illustrate the variability of oleic acid. The first mutation (H01) seeds, mainly in performance and assuming that all mutants in this locus has allelic. The second mutation (H02), not only in seeds but also in leaves and roots can increase oleic acid content, it is a mutant strain to be identified. Two sites mainly showed additive effects: H01a = 8.0-1-1.5. H01 + H02a :9.254-1 .5 (oleic acid percentage in seed oil.) Observed only small effects were not significant and non-dominant epistatic or maternal effects. Mutant reduced the role of oleic acid desaturation Table 33 clearly HO1 locus foa2 equivalent, it is a microsomal enzyme of oil. Acid desaturase, while the H02 locus, including fatty acids to the level of Quoted CropScience41 (5): 1444 role in biosynthesis or to saturation with different functions, including a 1449,2001 CMS Brassica microspore embryogenesis induction of small and medium series and the formation of male Youzhu MeghmRanaMaiik so distant hybridization in a program, we had to cultivate new CMS system with a combination of androgenesis. This paper reports on two distant hybrids (D / p / otaxiseruco / desxBrass / cacampestrk) × B. And (D.berthaut / / × B.cam / ~ tris) × B. . / ~ Cm and the CMS lines and their parental species,[link widoczny dla zalogowanych], androgenesis induction on the research results. Hybridization of two species of hoe s parental species lines and produced a series of prominent anther culture response to the importance of genotype. 22.8% of the CMS (D.emcoMas) B. m,[link widoczny dla zalogowanych], the expression of the anther culture androgenesis, with 1.66% of the cMS system recovery plants showed pollen fertility androgenesis, with 13.02% of the parental B. Is a variety of crops. in basic & medium produced up to 92% of the CMS lines bred microspore embryo concurrent normal Youzhu. to the level Quoted EupIlyt. nosebleed 120 (2) :195-203.2001 cabbage using AFLP Markers napus boron Gene F. S. Xu, Y. H. Wang and other soil boron (B) in agriculture is a global problem, in China thirty-three million hectares of farmland lack of B. different Brassica (Bressicarulpus) growing lack of resources, the existence of genetic differences between B situation. In order to identify genes that control the lack of B, B varieties with high missing seed yield,[link widoczny dla zalogowanych], bolting and maturity. high and low individuals lack B lack B 3:1 ratio of the individual, indicating the absence of a major gene B traits. major gene located on Brassica linkage group on the 9th. All genome quantitative trait loci (QTL) analysis detected near the main place where there is a master gene locus. phenotypic variance accounted for 64.O%. Meanwhile, the three linkage groups were detected on the three minor sites, these sites of minor phenotypic variance accounted for 39.2%, 32.5%, 36.9%. were detected bolting and maturity of 11 Xun, some with the lack of B related. Qiu deposited Lin translated PlantBreeding120 (4): 312,2001
Post został pochwalony 0 razy
|
|