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virus resistance
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  抗病性
     Study of virus resistance mediated by inverted repeats derived from 5′ and 3′ ends of coat protein gene of Potato virus Y
     马铃薯Y病毒CP基因5′端和3′端反向重复结构介导的抗病性研究
短句来源
     Field Identification of Virus Resistance of Transgenic Potato Expressing PLRV CP Gene
     表达PLRV CP基因的转基因马铃薯抗病性田间鉴定
短句来源
     Detected the transgenic plants by ELISA after inoculate AlMV 60 days, 10 thereinto 24 transgenic plants chains transformed with pROKAMV5 confer AlMV virus resistance, 12 thereinto 18 transgenic plants chains transformed with pROKAMV3 confer AlMV virus resistance.
     AlMV接种后检测抗病性结果为:pROKAMV5转基因植株中10个株系对AlMV接种表现完全抗性,pROKAMV3转化植株中12个株系对AlMV接种表现完全抗性。
短句来源
     Moreover, two transgenic plants with high virus resistance were selected, in which one transgenic plant TM0-1 showed higher virus resistance than the other transgenic plant TM0-2.
     转基因植株抗病性存在差异,筛选出的2个抗性株系中,TM0-1抗性高于TM0-2。
短句来源
     Genetic transformation of red clover using alfalfa mosaic virus coat protein gene and its virus resistance analysis
     苜蓿花叶病毒外壳蛋白基因对红三叶的遗传转化及转基因植株的抗病性分析
短句来源
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  病毒抗性
     Virus Resistance in Transgenic Watermelon Plants Containing a WMV-2 Coat Protein Gene
     转WMV-2外壳蛋白基因西瓜植株的病毒抗性
短句来源
     Posttranscriptional Gene Silencing and Virus Resistance
     转录后基因沉默与植物的病毒抗性
短句来源
     Genetic Analysis of RNA-Mediated Virus Resistance In Transgenic Tobacco
     RNA介导的病毒抗性在转基因烟草中的遗传分析
短句来源
     Plant Gene Silencing and Virus Resistance
     植物转基因沉默与病毒抗性
短句来源
     Research Progress on RNA - mediated Virus Resistance of Plants
     植物RNA介导的病毒抗性研究进展
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  抗病毒性
     This review intruduced some successful methods for gene transfer to plant and the progress in application of recombinant DNA techhique to modify traits of plant, such as insect resistance,virus resistance,herbicide resistance,stress tolerance, to improve seed storage proteins, to altere fruit ripening, flower and ornamental quality and to improve cytoplasmic male sterility and self-incompatibility of crops.
     本文综述外源DNA成功导入植物体内的主要方法及利用重组DNA技术进行植物的抗虫性、抗病毒性、抗除草剂、抗逆性、改良种子贮藏蛋白质、改变果实成熟性、改良花卉的装饰品质性状、细胞质雄性不育和自交不亲和性改良方面的一些研究进展,并对重组DNA技术在植物育种中的应用作了简要评述。
短句来源
  “virus resistance”译为未确定词的双语例句
     Analyses of virus resistance and fruit quality for T4 generation of transgenic papaya
     T4转基因番木瓜遗传性和果实品质分析
短句来源
     Twelve cases of virus resistance were observed to therapeutic reagents. The rate of drug fast was 18.75%.
     病毒耐药者12例,耐药发生率18.75%。
短句来源
     Mechanism of RNA Silencing and its Application for Virus Resistance
     RNA沉默机制及其抗病毒应用
短句来源
     According to the latest researches, PRs can be classified into 17 classes, such as PR1, PR2, PR3, and PR4. Despite the anti-fungi function of PR1, the biological functions of other PRs was frequently reported, including salt tolerance and virus resistance.
     根据最新的研究结果可知,PR蛋白可分为PR1、PR2、PR3、PR4等共17类,除PR1与抗真菌的关系比较密切外,其它PR蛋白的生物学功能,如抗盐、抗病毒等都有不同的报道。
短句来源
     RNA-Mediated Virus Resistance in Transgenic Potato
     RNA介导的转基因马铃薯抗病毒研究
短句来源
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  virus resistance
Analysis on virus resistance and fruit quality for T4 generation of transgenic papaya
      
The AA concentration of 10-8 M was optimal for the improvement of plant virus resistance.
      
Tobacco leaves maintained virus resistance for at least two weeks.
      
In this study, two biotin-labeled rice BAC clones closely linked to a rice blast resistance, green leafhopper resistance and tungro spherical virus resistance gene,Pi-5(t), Glh, RTSV, werein situ hybridized to rice chromosomes.
      
Field testing for virus resistance and agronomic performance in transgenic plants
      
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The salted Chinese cabbage is a special type for salting processes of the Pak-Choi Chinese cabbage. Four representative varieties from the lower valley of Yangtze-Hwai river, i. e., Nanking Kao-Zhuon, Hanchow Pio-Keng-Bai, Kaochun Ma-Er-Dor and Yanchow Hwa-Yi-Da-Tsai, were chosen for a diallel crossing experiment according to Griffing's method one (model 1). The field experiments were held in Nanking in 1974 and in Nanking and Yanchow respectively in 1975.1. Generally, the yield, downy mildew-resistance,...

The salted Chinese cabbage is a special type for salting processes of the Pak-Choi Chinese cabbage. Four representative varieties from the lower valley of Yangtze-Hwai river, i. e., Nanking Kao-Zhuon, Hanchow Pio-Keng-Bai, Kaochun Ma-Er-Dor and Yanchow Hwa-Yi-Da-Tsai, were chosen for a diallel crossing experiment according to Griffing's method one (model 1). The field experiments were held in Nanking in 1974 and in Nanking and Yanchow respectively in 1975.1. Generally, the yield, downy mildew-resistance, virus-resistance and bacterial soft rot-resistance of the salted Chinese cabbage F1 all show the mid-type of their parents, and no significant differences between each pair of reciprocals. There are some crosses with heterosis and some with reciprocal effect, but some are not consistent between different years or locations. After comparison, Kao × Pio (of entire leaf type with white flat petiole), was selected for Nanking region, and Pio X Hwa and Hwa × Kao (of deeply flaky leaf type with white round petiole), for Zhangkian-Yanchow region because of their moderate disease-resistance and high yielding ability by transgressing upper parent 20.1-22.1%, 12.7-21.6% and 6.0-31.3% respectively.2. As for yield the significance of g.c.a. and of s.c.a. are consistent between two years, but the reciprocal effectsare not. There are greater and shifting s.c.a. for Kao and Pio, greater g.c.a. and stable s.c.a. for Hwa. These three varieties are all better parents, when used in crossing the reciprocal effect should not be neglected.3. In yield component of three selected crosses there are significant s.c.a. and r for Kao ×Pio and r for Pio×Hwa, but not for Hwa × Kao besides the significant g.c.a. for them. The g.c.a., s.c.a. and r all should not be neglected in the design of crossing because of different crosses having their own specialities.4. The estimates of heritability for yield in broad sense are about 76.7-81.7% indicating the possibility of high yielding crosses to be persistent from year to year.

本文旨在分析江淮下游酶白菜代表品种的杂种优势与配合力。产量、抗病性的杂种优势因组合、正反交而异。有些组合的表现还因年份、地点等环境条件而不同。评选出优势强而稳的高×瓢、瓢×花、花×高组合可供生产应用。亲本间在一般配合力、特殊配合力以及它们的波动程度上都有各自的特点,选配组合时对一般配合力、特殊配合力以及正反交效应都需注意。产量杂种优势利用的广义遗传力估计值为76.7—81.7%。

This paper deals with three varieties of ‘Qiang Li Mi Show’,‘DwarfYellow’and‘Ohio MR-9’which contain TMV-rasistant genes of T_(m-1),T_(m-2)and T_(m-2)~a respectively.These three varieties were used as female parents forhybridization.The virus-resistance of the first generation was identified and thecombining ability of eight principal characters was analyzed.Thus the practialvalue of the three antigen plants was defined.The results indicated that the antigen plants and the hybrids of first genera-tion...

This paper deals with three varieties of ‘Qiang Li Mi Show’,‘DwarfYellow’and‘Ohio MR-9’which contain TMV-rasistant genes of T_(m-1),T_(m-2)and T_(m-2)~a respectively.These three varieties were used as female parents forhybridization.The virus-resistance of the first generation was identified and thecombining ability of eight principal characters was analyzed.Thus the practialvalue of the three antigen plants was defined.The results indicated that the antigen plants and the hybrids of first genera-tion all manifested virus-resistance at a definite level,especially the parent andthe F_1 hybrids which contained T_(m-2)~(nv) or T_(m-2)~a gene.Meanwhile,these three an-tigen plants possessed higher combining ability,a clear superiority of competitionboth in early and in total yields was exprassed in most hybrid combinations.Especially‘Dwarf Yellow’possessed very high combining ability in the eightcharacters except average weight per fruit.Hence‘Dwarf Yellow’is a betterparent for hybridization.In addition,hereditary parameters of the eight characters of the threeantigen plants were estimated,and a fine hybrid combination virus-resistanceand early high yield combining was selected.

本文对分别含有 Tm-1、Tm-2~(nv)、Tm-2~α的三个抗 TMV 病毒基因的品种强力米寿、矮黄、Ohio MR-9和以这三个抗原为亲本配制的 F_1代进行了抗病性鉴定,并对其八个主要性状配合力进行了分析,从而确定了三个抗原的实用价值。结果表明,三个抗原材料和 F_1代对 TMV 病毒都表现出一定的抗性,尤其是含有 Tm-2~(nv)和 Tm-2~α基因的 F_1代及亲本有高度抗性。同时,三个抗原材料配合力均高,在绝大多数组合中前期产量和总产量皆有明显的竞争优势。特别矮黄在八个性状中除单重外,一般配合力效应值都很高,可能与 nv 基因的多效作用有关。所以,矮黄是一个比较优良的杂交亲本。另外,本文对三个抗原八个性状的遗传参数也进行了估算,并选出了抗 TMV 病毒早熟丰产组合:矮黄×汉因兹、矮黄×加八号等。

In the present paper field resistance of grown plant to two isolates (SMVy5l, SMV-82-11) of soybean mosaic virus with different pathogeni city is discussed. The results of our genetic study revealedtbat grown plant resistance and resistance to seed mottling were controlled by different genes. On certain soybean varieties one type of resistance can not be replaced by another one. In breeding program for mosaic virus resistance, both of the two types of resistance should be considered, and parents...

In the present paper field resistance of grown plant to two isolates (SMVy5l, SMV-82-11) of soybean mosaic virus with different pathogeni city is discussed. The results of our genetic study revealedtbat grown plant resistance and resistance to seed mottling were controlled by different genes. On certain soybean varieties one type of resistance can not be replaced by another one. In breeding program for mosaic virus resistance, both of the two types of resistance should be considered, and parents chosen for hybridization should be resistant to both types. For the improvement of commercial soybean seed quality in Heilong-jiang province,it seems that breeding for resistance to seed mottling is urgent. Cultivars such as Tie 6951, Tie 7105, Merit, Jilin 1, 7588-13, Dongnon 35 are good germplasms for the source of resistance to seed mottling.

本文探讨了大豆品种对大豆花叶病毒两个致病力不同的毒株(SMV-y51,SMV-82-11),田间成株抗性和种粒的抗性反应,指出大豆品种成株抗性与种粒抗性受不同基因所控制,此两种抗性对某些品种是不能互相代替的。在大豆抗花叶病育种中同时要注意这两个抗性,选择双抗型亲本。对黑龙江省来说,选育抗种粒斑驳的新品种,改善大豆商品品质更为迫切。提出铁6915,铁7105,梅里特,吉林1号,7588—13,东农35等品种是良好的抗种粒斑驳抗源材料。

 
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