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食用向日葵     
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  confectionary sunflower
     Comparison of Genetic Diversity of the Germplasm Resources of Confectionary Sunflower (Helianthus annuus) in China Based on RAPDs and AFLPs
     中国食用向日葵种质资源遗传变异的RAPD及AFLP分析(英文)
短句来源
  edible sunflower
     The results showed that different treatment of boric fertilizer increased the edible sunflower output,the thousand grain weight and the setting percentage significantly.
     结果表明:不同硼肥处理对食用向日葵产量、千粒重、结实率增效明显;
短句来源
     The Effect of the Boric Fertilizer to the Edible Sunflower Output Factors
     硼肥对构成食用向日葵产量因素的影响
短句来源
     In this paper,we fertilized different boric fertilizer to the edible sunflower hybrid and the conventional breed in the different growing periods in order to study the effect of boric fertilizer to the edible sunflower output factors.
     文章研究了食用向日葵杂交种、常规种在不同生长时期施用不同硼肥对产量因素的影响。
短句来源
     Effect of Different Cultivation Way on Biological Characters of Edible Sunflower
     不同栽培方式对食用向日葵性状的影响
短句来源
     And the different treatment of boric fertilizer to the edible sunflower increased the thousand grain weight and the setting percentage firstly,then it caused the output increasement.
     不同硼肥处理对食用向日葵产量的增加是通过增加其千粒重、结实率来实现的。
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  directly eating sunflower
     The Preliminary Report on the Study of the Division of Directly Eating Sunflower
     食用向日葵分枝性研究初报
短句来源
  food sunflower
     Breeding of Food Sunflower New Variety Long Shi Kui No.1 and Its Cultivation Technique
     食用向日葵新品种龙食葵1号选育及配套栽培技术
短句来源
     Breeding and Culture Technique of New Variety Longshikui No.2 in Food Sunflower
     食用向日葵新品种龙食葵2号的选育和栽培技术
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      confectionary sunflower
    Studying genetic diversity in the core germplasm of confectionary sunflower (Helianthus annuus L.) in China based on AFLP and mo
          
    Characterization of germplasm resources of confectionary sunflower is critical to assess collection diversity.
          
      edible sunflower
    The modified electrode was applied for the determination of BHA in spiked samples of chewing gum and edible sunflower oil.
          
      food sunflower
    In two arms there was ad libitum access to the birds' usual food, and in the other two there was novel food (sunflower seeds) mixed with cat litter.
          


    By the means of natural infection in the disease nursery and whole-seedling immersion (WSI) In the green-house, the resistance of sunflower varieties to downy mildew (Plasmopara holstedii (Farl. ) Berl et de Toni)was determined The yield loss of susceptible varieties and the yield increasing effect of resistant varieties were also determined. 39 resistant varieties were screened out. There was no discovery discovery of resistans in edible sunflower.The oil-typed inbred lines, such as Liao 1045 and Fang3893,...

    By the means of natural infection in the disease nursery and whole-seedling immersion (WSI) In the green-house, the resistance of sunflower varieties to downy mildew (Plasmopara holstedii (Farl. ) Berl et de Toni)was determined The yield loss of susceptible varieties and the yield increasing effect of resistant varieties were also determined. 39 resistant varieties were screened out. There was no discovery discovery of resistans in edible sunflower.The oil-typed inbred lines, such as Liao 1045 and Fang3893, can be used as antigens of crossbreeding. Some varieties, such as Longkui Za 1, Fengkui Za 5 etc, resist several diseases and have high yield. They can directely be used in production.

    采用病圃自然感染和温室幼苗接种的方法,鉴定了247份向日葵品种(系)对霜霉病的抗性,测定了感病品种的产量损失和抗病品种的增产效果,筛选出抗病品种39份。在食用向日葵中尚未发现抗病品种;油用向日葵自交系辽1045、汾3893等可作为杂交育种的抗源,龙葵杂1号、汾葵杂5号等杂交种具有多抗(兼抗锈病、耐菌核病)丰产的特性,可在生产上直接利用。

    RAPDs and AFLPs were used to determine the genetic relationships among 23 elite cultivars of confectionary sunflowers (Helianthus annuus) from different districts in China. Both approaches uniquely fingerprint each of the accessions. Twenty_six RAPD primers resulted in a total of 192 strong DNA fragments, ranging from 0.26 kb to 1.98 kb, among which 165 (86.12%) were polymorphic. The average number of DNA band produced by each primer was 7.38. A total of 576 AFLP markers were produced with 8 primer combinations,...

    RAPDs and AFLPs were used to determine the genetic relationships among 23 elite cultivars of confectionary sunflowers (Helianthus annuus) from different districts in China. Both approaches uniquely fingerprint each of the accessions. Twenty_six RAPD primers resulted in a total of 192 strong DNA fragments, ranging from 0.26 kb to 1.98 kb, among which 165 (86.12%) were polymorphic. The average number of DNA band produced by each primer was 7.38. A total of 576 AFLP markers were produced with 8 primer combinations, ranging from 100 bp to 500 bp, and 341 polymorphic bands (59.20%) were revealed. The polymorphism rate was 76.00% and the average bands amplified by per primer combination were 72. Effective number of alleles per locus of RAPD marker (1.76) was larger than that of the AFLP marker (1.65). The mean PIC value of AFLP markers (0.38) was lower than that of the RAPD markers (0.41), but AFLP marker had much higher Ai value (38.52) than RAPD marker (6.38). Genetic similarities from RAPD data ranged from 47.84% to 82.06% and the average Nei's coefficient was 0.649 5; the Nei's coefficient of similarity from AFLP data ranged from 54.15% to 83.52%, and the average Nei's coefficient was 0.688 4. However, standard deviation ( SD ) of RAPDs was 0.13 but the SD of AFLPs was 0.08. In general, the RAPD data gave lower similarity values and higher SD values than those based on the AFLP analysis. The correlation coefficient between the two genetic similarity matrices was 0.51, revealing the estimations of genetic relationship provided by the two marker systems were only moderate. However, cluster analyses of RAPD or AFLP data divided the 23 sunflower genotypes into identical 3 groups.

    本研究采用RAPD和AFLP方法对 2 3个中国不同地区的食用向日葵 (HelianthusannuusL .)骨干品种进行了遗传变异分析 ,同时对两种标记系统进行了比较。 2 6个RAPD引物产生了总计 192条DNA条带 ,大小分布于0 .2 6kb~ 1.98kb之间 ,其中 16 5条 (86 .12 % )具有多态性 ,每条引物产生DNA条带的平均数为 7.38。 8对AFLP引物组合共产生了 5 76条带 ,分布于 10 0bp~ 5 0 0bp之间 ,其中的 341条具有多态性 ,多态百分率为 76 .0 0 % ,每对引物组合产生DNA条带的平均数为 72。RAPD方法检测到的每位点有效等位基因数 (1.76 )大于AFLP(1.6 5 ) ,AFLP标记位点的平均多态性信息量 (PIC) (0 .38)低于RAPD标记位点的PIC(0 .4 1) ,但AFLP标记具有很高的多态性检测效率(Ai=38.5 2 )。用RAPD标记分析 2 3个食用向日葵材料的亲缘关系 ,Nei氏相似性系数分布在 4 7.84 %~ 82 .0 6 % ,平均相似性系数为 0 .6 4 9...

    本研究采用RAPD和AFLP方法对 2 3个中国不同地区的食用向日葵 (HelianthusannuusL .)骨干品种进行了遗传变异分析 ,同时对两种标记系统进行了比较。 2 6个RAPD引物产生了总计 192条DNA条带 ,大小分布于0 .2 6kb~ 1.98kb之间 ,其中 16 5条 (86 .12 % )具有多态性 ,每条引物产生DNA条带的平均数为 7.38。 8对AFLP引物组合共产生了 5 76条带 ,分布于 10 0bp~ 5 0 0bp之间 ,其中的 341条具有多态性 ,多态百分率为 76 .0 0 % ,每对引物组合产生DNA条带的平均数为 72。RAPD方法检测到的每位点有效等位基因数 (1.76 )大于AFLP(1.6 5 ) ,AFLP标记位点的平均多态性信息量 (PIC) (0 .38)低于RAPD标记位点的PIC(0 .4 1) ,但AFLP标记具有很高的多态性检测效率(Ai=38.5 2 )。用RAPD标记分析 2 3个食用向日葵材料的亲缘关系 ,Nei氏相似性系数分布在 4 7.84 %~ 82 .0 6 % ,平均相似性系数为 0 .6 4 95 ,而采用AFLP的Nei氏相似性系数分布在 5 4 .15 %~ 83.5 2 % ,平均相似性系数为 0 .6 884。RAPD数据的标准差为 0 .13,而AFLP数据的标准差为 0 .0 8。因此 ,采用RAPD和AFLP方法分析食用向日葵遗传变异 ,RAPD标记具有较低相似性系数和较高方差而AFLP则相反。源于两种不同标记的遗传相似性矩阵的相关系数为 0 .5 1,说明

    Division often happened during the growing of the directly eating sunflower.This influenced the yield and merchindise of the sunflower.We studied the types of the division,the heredity of each types and their mutual influence.The no division type(Br_0)was remarkable to other types.The basic part division type(Br_1) was not completely remarkable to other types. Br_1 type was influenced by circumstance greatly and it had a limited effect on the yield and merchindise.

    食用向日葵在生长过程中经常会发生分枝现象,这对其产量和产品的商品性都会产生一定的影响。对食用向日葵分枝类型、不同类型分枝的遗传变异性及其相互作用进行初步研究,结果表明,不分枝(Br0)对其它分枝为显性,基部分枝(Br1)对其它分枝类型为不完全显性,基部分枝受环境影响大,在正常生产情况下这一性状影响产量和商品性并不明显。

     
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