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   温带粳稻 的翻译结果: 查询用时:0.461秒
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温带粳稻
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  temperate japonica
     On the basis of the isozyme variation detected by starch and polyacrylamide gel electrophoresis,the genetic difference among the tested rice cultivars (O. sativa L.) including 17 parents of hybrid rice, 3 new plant type lines and 22 Nuda and javanica cultivars was analyzed to study the relation of temperate japonica to Nuda and javanica and to explore the possibility of utilizing the genetic difference detected with isozyme markers in hybrid rice breeding.
     利用淀粉凝胶和聚丙烯酰胺凝胶电泳显示的同工酶差异 ,分析 17个杂交水稻亲本、3个新株型株系和2 2个光壳稻、爪哇稻品种的遗传差异 ,研究光壳稻和爪哇稻及其与温带粳稻之间的关系 ,探索同工酶标记水稻亲本遗传差异在杂交稻育种中利用的可能性。
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  “温带粳稻”译为未确定词的双语例句
     The indica and japonica cultivars were easily classified into separate groups by cluster analysis, and temperate and tropical japonica cultivars were classified into separate subgroups, too. But Nuda and javanica cultivars were usually clustered in mixed subgroup.
     聚类分析结果表明 ,籼稻和粳稻容易被分开 ,温带粳稻又容易与光壳稻、爪哇稻分开 ,但光壳稻和爪哇稻混合聚在一起 ,光壳稻与温带粳稻之间的遗传距离要比爪哇稻与温带粳稻之间的遗传距离大。
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  相似匹配句对
     In cold temperate regions, D.
     在寒温带 ,D .
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     ON EXTRATROPICAL STORM SURGES
     关于温带风暴潮
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     Study on the Transgenic Restorer Line of Japonica Rice
     粳稻转基因恢复系的研究
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     STUDIES ON WHITE BELLY GRAIN OF JAPONICA RICE
     粳稻腹白米的研究
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  temperate japonica
Heredity and genetic mapping of domestication-related traits in a temperate japonica weedy rice
      
We constructed a genetic map using 191 recombinant inbred lines derived from a cross between a temperate japonica, M-202, and a tropical indica, IR50, in order to locate quantitative trait loci (QTLs) conferring cold tolerance.
      
Quantitative trait loci (QTLs) controlling low-temperature germinability in rice were identified using 122 backcross inbred lines (BILs) derived from a cross between temperate japonica varieties, Italica Livorno and Hayamasari.
      
QTLs for branching, floret formation, and pre-flowering floret abortion of rice panicle in a temperate japonica?×?tropical japon
      
We developed 106 backcross-inbred lines (BC1F4) from a cross between 'Akihikari' (a temperate japonica) and 'IRAT109' (a tropical japonica) and constructed a genetic map.
      
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Seveteen parents of hybrid rice and 3 new plant type lines and 24 Nuda, Javanica cultivars were used to evaluate genetic diversities by RFLP markers between parents. The possibility was explored that genetic diversity estimated from RFLP banding patterns was used in hybrid rice breeding. Results indicated that Forty-two probes using in this study generated 69 different restriction fragments in the 44 varieties. Twenty (47.6%) probes detected 47 (68.1%) polymorphic fragments that were different at least between...

Seveteen parents of hybrid rice and 3 new plant type lines and 24 Nuda, Javanica cultivars were used to evaluate genetic diversities by RFLP markers between parents. The possibility was explored that genetic diversity estimated from RFLP banding patterns was used in hybrid rice breeding. Results indicated that Forty-two probes using in this study generated 69 different restriction fragments in the 44 varieties. Twenty (47.6%) probes detected 47 (68.1%) polymorphic fragments that were different at least between two parents. Each of those polymorphic fragments were scored 1 for present and 0 for absent. Based on the pair-wise comparisons of restriction fragments the genetic distance was calculated using Nei's genetic distance and a dendrogram was constructed using an unweighted pair group method with arithmetical averages (UPGMA). The indica and japonica cultivars were easily classified into separate groups by cluster analysis, and temperate and tropical japonica cultivars were classified into separate subgroups, too. But Nuda and javanica cultivars were usually clustered in mixed subgroup. In general, a higher level of polymorphism was found between japonica and indica subspecies while fewer polymorphisms were found between Nuda and javanica cultivars within the japonica subspecies, and the genetic distance between temperate japonica and Nuda was further than the genetic distance between temperate japonica and javanica. The results from the dendrogram were found that the economical heterosis between temperate japonica cultivars was low, the heterosis between subgroups was stronger and the heterosis between groups (indica / japonica) was strongest. Making use of Nuda and javanica, parents of hybrid rice as distinct from ecotype were bred, and high-yield hybrid rice combinations had been bred.

本研究以 17个杂交水稻亲本、3个新株型株系和 2 4个光壳稻、爪哇稻品种为DNA样品来源 ,通过RFLP(限制性片段长度多态性 ,RestrictionFragmentLengthPolymorphism ,简称RFLP)标记技术 ,研究光壳稻和爪哇稻及其与温带粳稻之间的关系 ,探索RFLP标记水稻亲本遗传差异在杂交稻育种中利用的可能性。研究结果表明 :42个探针共产生 6 9个不同的限制性片段 ,其中 2 0个 (占 47.6 % )探针显示 47个 (占 6 8.1% )多态性片段 ,至少在 2个基因型间存在差异。每个具有多态性片段分别以 1和0记录存在与否。由RFLP数据计算的Nei’s遗传距离 ,创建聚类树状图。聚类分析结果表明 ,籼稻和粳稻容易被分开 ,温带粳稻又容易与光壳稻、爪哇稻分开 ,但光壳稻和爪哇稻混合聚在一起 ,光壳稻与温带粳稻之间的遗传距离要比爪哇稻与温带粳稻之间的遗传距离大。根据聚类图发现温带粳稻亚群内杂种优势较弱 ,亚群间即生态群间的杂种优势较强 ,群间即籼、粳亚种间杂种优势更强。利用光壳稻、爪哇稻选育不同生态群方向的恢复...

本研究以 17个杂交水稻亲本、3个新株型株系和 2 4个光壳稻、爪哇稻品种为DNA样品来源 ,通过RFLP(限制性片段长度多态性 ,RestrictionFragmentLengthPolymorphism ,简称RFLP)标记技术 ,研究光壳稻和爪哇稻及其与温带粳稻之间的关系 ,探索RFLP标记水稻亲本遗传差异在杂交稻育种中利用的可能性。研究结果表明 :42个探针共产生 6 9个不同的限制性片段 ,其中 2 0个 (占 47.6 % )探针显示 47个 (占 6 8.1% )多态性片段 ,至少在 2个基因型间存在差异。每个具有多态性片段分别以 1和0记录存在与否。由RFLP数据计算的Nei’s遗传距离 ,创建聚类树状图。聚类分析结果表明 ,籼稻和粳稻容易被分开 ,温带粳稻又容易与光壳稻、爪哇稻分开 ,但光壳稻和爪哇稻混合聚在一起 ,光壳稻与温带粳稻之间的遗传距离要比爪哇稻与温带粳稻之间的遗传距离大。根据聚类图发现温带粳稻亚群内杂种优势较弱 ,亚群间即生态群间的杂种优势较强 ,群间即籼、粳亚种间杂种优势更强。利用光壳稻、爪哇稻选育不同生态群方向的恢复系和不育系 ,已配组育成了强优势的杂交稻组合

On the basis of the isozyme variation detected by starch and polyacrylamide gel electrophoresis,the genetic difference among the tested rice cultivars (O. sativa L.) including 17 parents of hybrid rice, 3 new plant type lines and 22 Nuda and javanica cultivars was analyzed to study the relation of temperate japonica to Nuda and javanica and to explore the possibility of utilizing the genetic difference detected with isozyme markers in hybrid rice breeding. The results showed that 18 polymorphic loci coding for...

On the basis of the isozyme variation detected by starch and polyacrylamide gel electrophoresis,the genetic difference among the tested rice cultivars (O. sativa L.) including 17 parents of hybrid rice, 3 new plant type lines and 22 Nuda and javanica cultivars was analyzed to study the relation of temperate japonica to Nuda and javanica and to explore the possibility of utilizing the genetic difference detected with isozyme markers in hybrid rice breeding. The results showed that 18 polymorphic loci coding for 8 isozymes were surveyed and they were different at least between two genotypes. Each of those polymorphic isozyme bands was scored 1 for present and 0 for absent. Based on the pair wise comparisons of isozyme bands the genetic distance was calculated using Nei′s genetic distance and a dendrogram was constructed using an unweighted pair group method with arithmetical averages (UPGMA). The indica and japonica cultivars were easily classified into separate major groups by cluster analysis, but temperate japonica and Nuda and javanica cultivars were clustered into the same mixed major group. The genetic distance between javanica and Nuda was smaller than that between them (javanica and Nuda) and temperate japonica. By way of breeding the parents of distinct ecotypes with Nuda and javanica cultivars as the breeding materials, the hybrid combinations with strong heterosis have been developed.

利用淀粉凝胶和聚丙烯酰胺凝胶电泳显示的同工酶差异 ,分析 17个杂交水稻亲本、3个新株型株系和2 2个光壳稻、爪哇稻品种的遗传差异 ,研究光壳稻和爪哇稻及其与温带粳稻之间的关系 ,探索同工酶标记水稻亲本遗传差异在杂交稻育种中利用的可能性。在本研究中 ,8个同工酶 18个多态性位点至少在 2个基因型间存在差异。每个具有多态性的酶谱带分别以 1和 0记录存在与否 ,由同工酶数据计算的Nei’s遗传距离创建聚类树状图。聚类分析结果表明 ,籼稻和粳稻容易被分开 ,普通粳稻与光壳稻、爪哇稻混合聚在一起 ;光壳稻与爪哇稻之间的遗传距离要比它们与普通粳稻之间的遗传距离小。利用光壳稻、爪哇稻选育不同生态群方向的恢复系和不育系 ,已配组育成了强优势的杂交稻组合。

 
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