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leaf color mutant
相关语句
  叶色突变体
     The leaf color mutant has an important application value in breeding, For one thing, it can create the excellent resources for the species by the genie mutation, increasing the genetic variety, and select the excellent vegetable new variety and the new types;
     叶色突变体在育种上具有重要的应用价值,一方面通过基因突变可以创造出优异的种质资源,增加物种的遗传多样性,进而选育出优良的蔬菜新品种和新类型; 另一方面叶色突变体作为标记性状在杂种一代制种工作中有着特殊的意义和作用,它可准确辨别亲本和杂一代的杂株,大大提高杂种纯度和质量。
短句来源
     Leaf color mutant lines, designed as LBn and ⅡBn, respectively, were obtained from the mutated progenies of two cytoplasmic male sterile (CMS) maintainers Longtefu B and Ⅱ32B, of which the dried seeds were treated with 300 Gy 60 Co γ rays.
     利用 30 0 Gy6 0 Co- γ射线辐照籼型保持系龙特甫 B和 32 B,获得了多种类型的叶色突变体 (分别记为 L Bn和 Bn)。
短句来源
     The leaf color mutant found in the gynoecious line 9110G can be inherited stably and was different from the other mutants reported before.
     从黄瓜雌性系 9110G中发现能稳定遗传的叶色突变体
短句来源
  叶色突变
     Analysis of Variation in Thermo-sensitive Genie Male Sterile Leaf Color Mutant Lines Induced from Indica Rice (Oryza sativa L. ) by 60Co-Y Irradiation
     ~(60)Co-γ射线诱发的籼型温敏核不育水稻叶色突变系变异分析
短句来源
     ⅠLeaf color mutant (chlorophyll mutant) in rice has great proportion.
     水稻叶色突变(叶绿素突变)在水稻中占有很大的比例。
短句来源
     A low gelatinization temperature (GT) rice mutant is developed by treatment on dry seeds of an indica cytoplasmic male sterile(CMS) maintainer Ⅱ32B with 300Gy of 60 Co γ\|rays,and named as Mgt\|1.The mutant is also a leaf color mutant which shows lifetime yellow leaves. The cooking and eating quality characters of Mgt\|1 and Ⅱ32B were analyzed.
     在籼型细胞质雄性不育保持系Ⅱ 3 2B干种子经 3 0 0Gy60 Coγ射线辐照照育成的多种叶色突变系中 ,经稻米品质测定 ,筛选到 1个叶色黄化的低糊化温度突变体 ,定名为Mgt 1。
短句来源
  “leaf color mutant”译为未确定词的双语例句
     Research on the Pigment Variety and the Molecule Mechanism in the Leaf Color Mutant in Mulberry (Morus alba L.)
     桑树叶色突变体色素变化及其分子机理的研究
短句来源
     Test of F 1 hybrid performance showed that LA3 and ⅡA2, derived from leaf color mutant lines LB3 and ⅡB2, respectively, had excellent combining ability similar to their corresponding parents.
     B11和 B9的 RVA谱也与 32 B存在差异。 配合力分析表明 ,由突变体 L B3和 B2转育而成的带叶色标记不育系 LA3和 A2的配合力与各自的亲本相仿
短句来源
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8 strains of leaf color mutants induced by 60Co-γ irradiation from Thermo-sensitive genie male sterile line 2177s, were obtained. According to differences in their response to temperature , these lines were classified into three types (Table 1), namely those whose mutated leaf color traits expressed under high temperatures, under low temperatures and under all temperatures tested. Genetic analysis of three temperature-insensitive lines indicated that all of the mutated traits were controlled...

8 strains of leaf color mutants induced by 60Co-γ irradiation from Thermo-sensitive genie male sterile line 2177s, were obtained. According to differences in their response to temperature , these lines were classified into three types (Table 1), namely those whose mutated leaf color traits expressed under high temperatures, under low temperatures and under all temperatures tested. Genetic analysis of three temperature-insensitive lines indicated that all of the mutated traits were controlled by a single recessive gene (Table 2). Except LCM6, the agronomic traits of the other two lines were similar to or better than those of 2177s. Meanwhile investigation on combining ability and spikelet fertility showed that many lines maintained the TGMS characteristics and combining ability like 2177s. When mixed with the seeds of hybrid rice "Shanyou 63", the seedlings with leaf color marker could be distinguished easily, and the seed Ling competing ability was significantly lower than that of the hybrid rice "Shanyou 63".

~(60)Co-Υ射线诱发的8个籼型温敏核不育系水稻叶色突变系可分为三种类型,即叶色突变高温表达型、低温表达型及温钝型。对温钝型3个突变系研究发现,该性状由单一隐性基因控制,其农艺性状除LCM6外与对照2177s相似或有所改观,育性转换特性和配合力也与对照相仿,对杂种优势无细胞质负效应。与杂交种“汕优63”混合播种时,叶色标记性状表达明显,幼苗竞争能力明显弱。

Some leaf color mutants were obtained through radiation of dry seeds of maintainer line of hybrid rice Longtefu B with 60 Co γ rays at a dosage of 300 Gy,from a part of which cross and backcross were made with CMS line Longtefu A and selected as rotational parent,resulting in producing BC 1 population.Analysis and identification were made on M 4 and BC 1 population.Results of genetic analysis showed that mutant marked with leaf color were all controlled by a...

Some leaf color mutants were obtained through radiation of dry seeds of maintainer line of hybrid rice Longtefu B with 60 Co γ rays at a dosage of 300 Gy,from a part of which cross and backcross were made with CMS line Longtefu A and selected as rotational parent,resulting in producing BC 1 population.Analysis and identification were made on M 4 and BC 1 population.Results of genetic analysis showed that mutant marked with leaf color were all controlled by a pair of recessive gene.Analysis of agronomic characters indicated that CMS lines were roughly similar to Longtefu A the check in plant height.Four promising CMS lines with leaf color were selected.

用300 Gy 60Coγ射线直接辐照杂交水稻保持系龙特甫B干种子,获得了若干叶色突变体,同时选择部分叶色突变体作轮回亲本与不育系龙特甫A 杂交并回交,获得BC1 群体。对M4 叶色突变体和BC1 群体作了初步分析鉴定。遗传研究揭示,叶色标记突变均受一对隐性基因控制。经农艺性状分析, 株高与对照龙特甫A 相仿, 初步筛选4 个较为理想的带叶色标记不育系。

Several types of leaf color mutants were obtained by using 60 Co γ gamma rays treatment on dry seeds of maintainer long te fu B. In M 2 generation, the mutation frequencies of albino, yellowing and striping mutation lines at seedling stage were 0.347%, 0.041% and 0.031%, respectively. Investigations on their growth dynamics revealed that the average leaves and tillers of the whole yellowing and striping mutation lines were different from the original parent, but some mutants...

Several types of leaf color mutants were obtained by using 60 Co γ gamma rays treatment on dry seeds of maintainer long te fu B. In M 2 generation, the mutation frequencies of albino, yellowing and striping mutation lines at seedling stage were 0.347%, 0.041% and 0.031%, respectively. Investigations on their growth dynamics revealed that the average leaves and tillers of the whole yellowing and striping mutation lines were different from the original parent, but some mutants could recover to normal green at three leaf stage, and their leaves and tillers were similar to that of the control. In M 4BC 1 populations, there were two types of leaf phenotype segregation: normal green plants and the plants with leaf color marker, and their segregation were all about 1∶1. According to the characteristics of leaf color expression at seedling stage and later growth stage, these mutant lines in M 4 generation were classified into 6 types. Observations on the plant height, No. of panicles per plant, No. of total grains per panicle, seeds set per panicle and pollen fertility of M 4 mutant lines and plant height and No. of panicles of corresponding M 4BC 1 plants were conducted, the results showed that the agrinomical traits of those lines, which could recover to normal green, and corresponding M 4BC 1 plants with leaf color marker were similar to that of the corresponding control.

用60Co-γ射线直接辐照龙特甫B干种子,诱发获得了多种类型叶色突变体。M2 代按苗计,白化、黄化和条纹三种叶色突变体的频率依次为0.347% ,0.041% 和0.031% 。对M2 代黄化和条纹两类突变群体的生长发育动态研究发现,其平均叶片数和分蘖数与对照有较大的差异。但有一些黄化和条纹突变体在三叶期后即可转为绿色,其叶片数和分蘖数与对照相近。在用这些叶色突变体与龙特甫A 杂交、回交后的M 4BC1 群体中,分离出正常绿色和带有叶色标记的两类不育株,二者之比接近1∶1。根据苗期和成株期的叶色特征,这些突变系分为 6 种类型。对M 4 突变系的株高、单株穗数、每穗总粒数、每穗实粒数和结实率及相应的 M4BC1 植株的株高和单株穗数进行了考察,发现转绿型突变系及其相应的M4BC1 带叶色标记植株的农艺性状与相应的对照相仿。

 
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