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improved inbred lines
相关语句
  改良系
     Analysis of Combining Ability and Genetic Parameters of Main Agronomic Characters in Maize Improved Inbred Lines
     几个玉米改良系主要农艺性状配合力和遗传参数的分析
短句来源
     Studies on increasing disease resistance and yield of maize skeleton inbred lines by cytotechnological techniqueⅡ Study on self cross and cross yields of maize improved inbred lines
     应用细胞工程技术提高玉米骨干自交系抗病增产研究 Ⅱ.提高玉米改良系繁种制种产量的研究
短句来源
     The disease resistance crossability and yield as well as other characters of ten improved inbred lines of Huangzao 4 from various sources were tested systematically in 1991 and 1992. The results showed that the disease resistance of some improved inbred lines was improved to some degree;
     1991~1992年对10个不同来源的玉米自交系黄早4改良系进行了系统的抗病性鉴定和配合力。 自身产量测定及农艺性状观察、从试验结果看出:H4525,718,冀35等黄改系在抗病性上有所增强;
短句来源
     Thirty combinations were made between 3 inbred lines and corresponding improved inbred lines involving tropical maize germplasm as female parents and 5 inbred lines from other places as male parents with NC Ⅱ mating design to analyze the combining abilities of 10 agronomic characters.
     以江苏沿江地区农业科学研究所培育的 3个自交系及其导入热带种质的 3个改良系为被测系 ,以 5个外引系为测验种 ,按NCⅡ设计配制 30个组合 ,分析 10种农艺性状的配合力。
短句来源
     Using NCII design, some improved inbred lines of Huangzao 4 were tested for 8 characters in 2000. The result showed that there were significant differences among estimation of combining ability of the inbred lines.
     采用NCII遗传交配设计,对黄早4及其9个改良系单株粒重等8个数量性状配合力进行研究。 结果表明,所测性状配合力在黄改系间存在极显著差异。
短句来源
  “improved inbred lines”译为未确定词的双语例句
     Analysis on the Combining Ability of Huangzao 4 and Its Improved Inbred Lines
     玉米黄改系数量性状配合力分析(I)
短句来源
     Analysis on the Combining Ability of Huangzao 4 and Its Improved Inbred Lines
     玉米黄改系配合力分析
短句来源
     Analysis on the esterase isozyme of the 300 cross combinations of 36 improved inbred lines of corn showed that the appearance of complementary isozyme bands and hybrids enzyme bands can't predict level of hybrid grain yield accurately.
     对36个优良玉米自交系组配的300个杂交种的酯酶同工酶酶谱分析发现:互补酶带、杂种酶带的出现与否,不能准确预测杂种产量的高低;
短句来源
     Using NC-II design, corn Huangzao 4 and some improved inbred lines were tested for 12 characters in 1998. The results showed that there were significant differences among estimates of combining ability of the inbred lines.
     采用 NC-II遗传交配设计 ,对黄早 4及其 9个改良系的单株粒重等 1 2个性状的配合力进行了研究。 结果表明 ,所测性状配合力在被测系间存在极显著差异。
短句来源
     It′s possible that some elite hybrids between the improved inbred lines of Huangzao 4 and 52106 can be bred for application in production.
     5 2 1 0 6与黄早 4类自交系间配合力较高 ,有可能选出优势组合应用于生产
短句来源
  相似匹配句对
     is improved.
     改进了张的相应结果。
短句来源
     It has been improved.
     并在应用中不断的改进、完善。
短句来源
     Analysis on the Combining Ability of Huangzao 4 and Its Improved Inbred Lines
     玉米黄改系数量性状配合力分析(I)
短句来源
     Analysis on the Combining Ability of Huangzao 4 and Its Improved Inbred Lines
     玉米黄改系配合力分析
短句来源
     Analysis on the G.C.A. of Improved Wuzi Maize Inbred Line Yield Character
     武字号玉米改良自交系产量性状配合力分析
短句来源
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  improved inbred lines
From these results, it is suggested that donors for improving parents of hybrids be selected from the improved inbred lines by conventional breeding programs.
      
L.) breeders because pedigree selection methods were effective in developing improved inbred lines.
      


The disease resistance crossability and yield as well as other characters of ten improved inbred lines of Huangzao 4 from various sources were tested systematically in 1991 and 1992. The results showed that the disease resistance of some improved inbred lines was improved to some degree; the general crossability of some improved lines was higher than Huangzao 4 and some of them were more productive than Huangzao 4, the yield increased for 5. 0 ̄63. 0%. There were four lines...

The disease resistance crossability and yield as well as other characters of ten improved inbred lines of Huangzao 4 from various sources were tested systematically in 1991 and 1992. The results showed that the disease resistance of some improved inbred lines was improved to some degree; the general crossability of some improved lines was higher than Huangzao 4 and some of them were more productive than Huangzao 4, the yield increased for 5. 0 ̄63. 0%. There were four lines better than Huangzao 4 in the three main characters of disease resistance crossability and its own productivity simulta neouslt.They were Huang 4052 Ji 35 Shuang105 and Nongda 256 The specific crossability of 718×M107 and H21× Ye107 were much higher than 718 and H21 and could be used for taking the place of Huangzao 4 in seed production of Yandan 14 and Yedan 2.

1991~1992年对10个不同来源的玉米自交系黄早4改良系进行了系统的抗病性鉴定和配合力。自身产量测定及农艺性状观察、从试验结果看出:H4525,718,冀35等黄改系在抗病性上有所增强;黄4052,双105,黄428等黄改系一般配合力超过黄早4;冀35,双105,农大256等自身产量较高,比黄早4增产30.1~64.6%;在抗病性、配合力、自身产量3个主要性状上均优于黄早4的有黄4052,冀35,双105,农大256等4个,718与M017,H21与掖107特殊配合力较高,因此可用718与H21代替黄早4进行烟单14和掖单2号玉米杂交种的大田制种。

Twelve maize inbred lines were examined for RAPD analysis with 220 ten-mer Opron primers. Of them, 12 were selected for cluster analysis because they gave reproducible, polymorphic fingerprintings. Dendrogram constructed from RAPD data showed that twelve maize inbred lines were devided into three clusters. The first cluster consists of Huangzao-4 and four inbred lines whose one parent is Huangzao-4; 502-196 and 502 form the first subgroup since 502-196 is an improved inbred...

Twelve maize inbred lines were examined for RAPD analysis with 220 ten-mer Opron primers. Of them, 12 were selected for cluster analysis because they gave reproducible, polymorphic fingerprintings. Dendrogram constructed from RAPD data showed that twelve maize inbred lines were devided into three clusters. The first cluster consists of Huangzao-4 and four inbred lines whose one parent is Huangzao-4; 502-196 and 502 form the first subgroup since 502-196 is an improved inbred line of 502; Huangzao-4 and Wenhuang-31413 form the second subgroup; H21 forms the third subgroup because its another parent is an American inbred line. The second cluster includes two inbred lines, 478 and 488, which came from a same F2 plat. The five remaining inbred lines form a separate cluster for their different origin; Mol7, a well-known American inbred line, forms the first subgroup; 107 and 81 12, which also came from the United States, form the second subgroup; 340 and 515 form the third subgroup, 340 is a native inbred line whose parents are Chinese local varieties and 515 has American and Chinese genealogy. These results indicate that phylogenetic relationship determined by RAPD analysis is basically consistent with the pedigree of the twelve maize inbred lines.

通过对我国正在使用的 12个玉米骨干自交系的 MPD分析,从 220个 Operon引物中筛选出12个能产生稳定的遗传多态性的引物。利用这些引物扩增出的指纹图谱,进行聚类分析,可将全部供武自交系分成3个类群。第1类群包括黄早4系统的5个自交系;第2类群包括478和488两个姊妹系;第3类群包括5个关系较远的自交系,其中3个来自美国,1个是全部中国血统,1个既有美国血统又有中国血统。这个结果与根据各个自交系的已知系谱确立的亲缘关系基本一致。

Analysis on the esterase isozyme of the 300 cross combinations of 36 improved inbred lines of corn showed that the appearance of complementary isozyme bands and hybrids enzyme bands can't predict level of hybrid grain yield accurately. The differences of Esterase between parents can reflect heterosis level of hybrid in a certain degree.

对36个优良玉米自交系组配的300个杂交种的酯酶同工酶酶谱分析发现:互补酶带、杂种酶带的出现与否,不能准确预测杂种产量的高低;双亲酯酶同工酶的差异在一定程度上能反映杂种优势的大小。

 
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