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napus
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  欧洲油菜
    SYNTHESIS OF NEW SPECIES AND CYTOGENETIC STUDIES IN OLEIFEROUS BRASSICA——I. STUDIES OF AN ARTIFICIALLY SYNTHESIZED NAPUS (BRASSICA NAPUS)
    芸苔属油菜植物的新种合成及其细胞遣传学研究——I.一个人工合成欧洲油菜(Brassica napus, L)的研究
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    SYNTHESIS OF NEW SPECIES AND CYTOGENETIC STUDIES IN OLEIFEROUS BRASSICA——II. SYNTHESIS OF TWO AUTO-ALLOHEXAPLOIDS FROM BRASSICA NAPUS L. AND ITS TWO PRIMARY SPECIES
    芸苔属油菜植物的新种合成及其细胞遗传学研究——II.欧洲油菜与其两个基本种间的两种同源异源六倍体的合成
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    SYNTHESIS OF NEW SPECIES AND CYTOGENETIC STUDIES IN BRASSICA Ⅳ. ON THE CHROMOSOME SUBSTITUTION OF BRASSICA NAPUS aacc WITH ITS BASIC SPECIES a'a' AND c'c'
    芸苔属植物油菜的新种合成及其细胞遗传学研究——Ⅳ.欧洲油菜aacc与其两个基本种a′a′和c′c′之间的染色体组替代研究
短句来源
    SYNTHESIS OF NEW SPECIES AND CYTOGENETIC STUDIES IN BRASSICA Ⅳ. On Genome Substitution Engineering in Brassica napus with Its Two Basic Species
    芸苔属植物油菜的新种合成及其细胞遗传学研究——Ⅳ.欧洲油菜与其两个基本种间的染色体组替代工程研究
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    SYNTHESIS OF NEW SPECIES AND CYTOGENETIC STUDIES IN BRASSICA——Ⅶ.A STUDY ON THE CORRELATION OF CHROMOSOME NUMBER WITH CERTAIN CHARACTERS IN THE F_2 POPULATIONS OF A CROSS BETWEEN BRASSICA NAPUS AND B.CHINENSIS
    芸苔属植物油菜的新种合成及其细胞遗传学研究——Ⅶ.欧洲油菜×广东小油菜F_2群体性状与染色体数之间的相关性研究
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  “napus”译为未确定词的双语例句
    Kinetics of Pyrophosphate:Fructose-6-phosphate Phosphotransferase from Brassica napus
    油菜籽焦磷酸:果糖-6-磷酸1-磷酸转移酶的动力学研究
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    B. napus (AACC) grouped with its diploid progenitors, B. rapa (AA) and B. oleracea (CC), in one cluster.
    B.oleracea L.(CC,2n=18);
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    The predicted amino acids sequence of MdFer shows 85% identity to Glycine max, 83% to Vigna unguiculata, 82% to Arabidopsis thaliana, 80% to Nicotiana tabacum, 75% to Malus xiaojinensis, 74% to Brassica napus, 72% to Oryza sativa, and 71% to Zea mays, respectively.
    通过GenBank同源性比对发现,该基因与大豆、豇豆、拟南芥、烟草、小金海棠、小麦、水稻、玉米铁蛋白基因氨基酸序列同源性分别为85%、83%、82%、80%、75%、74%、72%、71%。
短句来源
    Karyotype of apomictic rape AMR-1 had studied in this paper,The results are shown as follows: in AMR-1, the somatic number of chromosomes is 2n=38. The Karyotype formula is 2n=38=34m+2st(2SAT). It is similar to the mother (B. napus L. ) and quite different from the father (R. Sativus L. )
    对AMR-1的核型进行了研究,结果:AMR-1根尖分生细胞染色体数为2n=38,核型公式为2n=38=34m+2sm+2st(2AST),在染色体数目、染色体长度、着丝点位置、随体的位置等方面,基本上与母本S45品系相似,与父本蓝花子有很大差别.
短句来源
    The objectives of this study are (1) to reveal variation of ALS gene among cultivated B. rapa, B. oleracea, and B. napus;
    本研究采用PCR技术试图:1)揭示ALS基因在芸苔属3个栽培种(Brasicarapa,B.oleracea和B.napus)间的遗传变异;
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  napus
Rape (Brassica napus L.) was shown to be an appropriate sentinel plant, sensitive to phenanthrene, which can be used for testing the efficiency of phenanthrene degradation in soil.
      
Using the direct amplification of genomic DNA, we obtained a full-length CLV1 ortholog from canola plants (Brassica napus), and also three CLV1 fragments from rape (B.
      
napus), and false flax (Camelina sativa), which corresponded to the transmembrane domain and a part of the kinase domain of the CLAVATA1 protein.
      
napus were similar by 81 and 87% to the prototype gene from arabidopsis; in the case of shorter gene fragments, the similarity was as high as 91-93 and 98%, respectively.
      
The genetic basis of flowering time and photoperiod sensitivity in rapeseed Brassica napus L.
      
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Two auto-allohexaploids with the respective constitution of aacccc and aaaacc were obtained following colchicine treatment with two F_1 triploid hybrids, which had been produced by crossing Brassica napus (aacc, 2n=38) with its two primary species, B. oleracea (cc, 2n=18) and B. chinensi8 (aa, 2n=20) respectively.Morphologically, the two hexaploids are characterized by the general gigantic appearance, diagnostic of the enhancing growth in horizontal direction of such organs as leaves, stems, various components...

Two auto-allohexaploids with the respective constitution of aacccc and aaaacc were obtained following colchicine treatment with two F_1 triploid hybrids, which had been produced by crossing Brassica napus (aacc, 2n=38) with its two primary species, B. oleracea (cc, 2n=18) and B. chinensi8 (aa, 2n=20) respectively.Morphologically, the two hexaploids are characterized by the general gigantic appearance, diagnostic of the enhancing growth in horizontal direction of such organs as leaves, stems, various components of flowers, fruits, et al. This is the feature also unique in autotetraploids. The somatic chromosome numbers of the two hexaploids as identified in the mitosis of root tip cells were found to be 56 and 58 respectively, which are just the doubling of the chromosome numbers of the respective triploids, 28 and 29.During the meiosis of pollen mother cells, both hexaploids form distinctly fewer univalents as compared with the triploids, but showed more trivalents and quadravalents instead.Fertilit s found apparently recovered in the two hexaploids, but it was by no means complete, obviously due to the autotetraploidy of one basic set of chromosomes.Tests on the compatibility of crosses were made between the hexaploids and triploids with three parental species, B. napus, B. oleracea and B. chinensis, and the results showed that the compatibility with any of the three species is much lower in the hexaploids as compared to the triploids. This suggests a more complete sexual isolation being established between the synthesised hexaploids and the parental species.

通过将欧洲油菜(B. napus, aacc)的二个品种分别与其二个基本种甘蓝(B. oleracea, cc)和白菜(B. chinensis, aa)进行杂交所产生的两种三倍体杂种acc和aac,经秋水仙素处理后,获得了两种同源异源六倍体aacccc和aaaacc.它们和同源四倍体一样,具有横向发育的巨大特性.它们的染色体数目,一般正好是两种三倍体数目28和29的加倍而为56和58.它们在减数分裂时的单价体数目比三倍体显著地减少了,但另外却有少量三价体和四价体出现.它们的可育性比三倍体显著地恢复了,但由于其中有同源四倍性部分的存在,因而并不能完全恢复;如再通过一定的选育,或者可有一定的利用希望.它们和欧洲油菜、甘蓝及白菜三种亲本类型之间的可杂交性比三倍体显著地降低了,表示其间的生殖隔离程度似乎是加强了.

The excised anthers of Brassica napus had been cultured on different culture media with various combinations of plant hormones and other supplements. The results obtained showed that the Gamborg's B5 and Miller's media were rather effective for the induction of callus formation from the planted anthers than other media tested. In most conditions, the callus happened to develop readily from the anther filaments and connective tissues. In the case of the differentiation of shoots from callus tissue, our...

The excised anthers of Brassica napus had been cultured on different culture media with various combinations of plant hormones and other supplements. The results obtained showed that the Gamborg's B5 and Miller's media were rather effective for the induction of callus formation from the planted anthers than other media tested. In most conditions, the callus happened to develop readily from the anther filaments and connective tissues. In the case of the differentiation of shoots from callus tissue, our results indicated that the MS medium supplemented with appropriate amount of BA and NAA appeared superior to the same midium supplemented with the combination of kinetin and IAA. The composition of the media used for induction of callus formation markedly affect the subsequent differentiation of anther callus. The temperature was found to be critical for successfully transplanting plantlets from culture vessel into pot. Among the antherderived plant population from F1 progeny of B. napus × B. campestris, different forms of plants were segregated. Besides this, among the second generation's plant populations of the antherderived plants from B. napus, only a few of them appeared uniform in field experiments. It indicated that the frequency of formation of the true pollen-derived plantlets were significantly low in the anther culture of B. napus. Questions remained to be resolved were discussed.

试验了不同培养基配方和不同的激素及附加成分对油菜花药培养的影响。结果表明,对于诱导油菜花药形成愈伤组织,Miller和B_5,配方较好。但在大多数情况下,愈伤组织易从花丝及药隔组织形成。在MS培养基中加入适量的BA和NAA以诱导芽的分化,明显优于用激动素及IAA的组合。诱导培养基的组或对形成的花药愈伤组织随后的分化有明显的影响。温度是提高小苗移栽成活率的关键因素。由甘蓝型油菜×白菜型油菜的F_1植株的花药培养诱导形成的部分植株中出现了明显的分离现象。对花药培养诱导形成的植株的第二代群体的观察表明少数植株的后代群体表现整齐一致。这些结果说明在油菜的花药培养中可能有少数花粉植株的形成。讨论了油菜花药培养中存在的问题。

1.This paper gives an account ofan artificially substituted napus ingenome C.(aacc') which was obtainedby across between B.alboglabra(♀ c'c'.2x=18) and octoploid napus(♂ aaaa cccc,8x=76).2.The petal colour of the F_1plant was found to be light yellow,intermediate between those of the twoparents.The F_2 families segregatedto a series of color variations,rangingfrom dark yellow to white.3.Morphologically,the F_1 boreclose resemblance to B.napus varietyVictory.When back crossed to thelatter,it...

1.This paper gives an account ofan artificially substituted napus ingenome C.(aacc') which was obtainedby across between B.alboglabra(♀ c'c'.2x=18) and octoploid napus(♂ aaaa cccc,8x=76).2.The petal colour of the F_1plant was found to be light yellow,intermediate between those of the twoparents.The F_2 families segregatedto a series of color variations,rangingfrom dark yellow to white.3.Morphologically,the F_1 boreclose resemblance to B.napus varietyVictory.When back crossed to thelatter,it was found as fertile as thenatural napus.4.A model is suggested to explainthe origin of the substituted F_1 hybrid.5.It is also noted that amongthe F_3 progenies some showed a highdegree of resistance to certain diseases.

从以白花芥蓝(B.alboglabra,2n(2x)=18,组型为c′c′)为母本,胜利油菜同源异源八倍体(B.napus,4n(8x)=76,组型为aaaacccc)为父本的杂交组合中,获得了一个染色体数为4x=38的F_1植株(组型为aaac′),实现了c 组染色体的人工置换。F_1杂种在形态、生理上与普通胜利油菜(aacc)相同。但花冠粉黄色,为双亲的中间类型。F_2花色从黄到白,广泛分离。对F_1及F_2进行了形态、生理及细胞遗传学诸特征的研究,并对F_1aacc′染色体组型形成的机理提出了模型。F_3群体对龙头病具有免疫力,十分引人注目。

 
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