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The objective of this work is to find the relationship among accessions of leucaena from different geographical distribution based on diversity analysis so as to provide theoretical foundation for the evaluation, classification, utilization and selection of leucaena germplasm resources.

本研究旨在分析银合欢种质遗传多样性的基础上，探讨不同来源银合欢种质间的关系，寻找遗传差异，为银合欢种质资源的评价、分类、利用和选育种提供理论依据。

The genomic DNA of 42 accessions of leucaena were amplified by using 3 pairs of AFLP primers: E-ACC/M-CTC, E-ACG/M-CTT, E-ACC/M-CAA, and 125 clear bands were produced, of which 108 were polymorphic.

其中17条带为所有材料共有，占14.29%，108条为多态性带，平均多态性百分比为85.71%，从DNA分子水平显示出银合欢具有丰富的遗传多样性。

With the method of assessing individuals and bulked line analysis, the AFLP technique of DNA analysis was employed to screen the markers linked to gene of interest among 136 accessions including 130 Solanum melongena and 6 relatives.

采用AFLP技术，以具有不同果皮颜色的茄子及近缘种为材料，采用单株检测和混合品系法分别筛选与茄子果皮颜色相关基因连锁的分子标记。

In the accessions of upland cotton with high fiber quality, we found four cSNPs with nonsynonymous substitute, which may have phenotype effect.

对陆地棉高强纤维品系间的SNPs位点进行了统计，发现有四个cSNPs位点中存在非同义突变，可能具有表型效应。

In coding region of CBF4, SNP frequency is 1 SNP per 96.4 bp, one nonsynonymous mutation was detected from 25 av、203 av and 244 av accessions, which is the 205th site amino acid variation: glynval caused by the 1034th site (corresponding to 19696 site nucleotide of GenBank No.AB015478 as 1) nucleotide variation : GnT.

在编码区，SNP的频率为每96.4 bp一个SNP，其中发现25 av、203 av和244 av 3个生态型CBF4基因区域1034位(以GenBank登录号AB015478序列第19696位的核苷酸为1)碱基变化：GnT，引起第205位氨基酸变化：glynval。

In coding region of CBF4, SNP frequency was 1 SNP per 96.4 bp, one nonsynonymous mutation was detected from 25av, 203av and 244av accessions, which was the 205th site amino acid variation: gly?

在编码区，SNP的频率为每96.4 bp 1个SNP，其中1034位以GenBank No。

According to indexes of PIC,they could be used in molecular analysis in prunus,proving selectable primers and diversity for the experiment accessions directly perceived through the senses.

根据多态信息量的指标，为桃及其李属近缘种植物的分子生物学分析，提供直接可供选择的引物和比较直观确定供试样品的遗传多样性。

Genetic diversity and genetic relationship of 40 accessions of pear Pyrus L.

采用AFLP分子标记技术对甘肃中部梨种质资源的遗传多样性进行分析。

Four isozymes: esterase, peroxidase,α-amylase and superoxide dismutase extracted from buds of 16 radish (Raphanus sativus L.) accessions were studied with polyacrylamid gel electrophoresis.

采用聚丙烯酰胺凝胶电泳技术对16份萝卜种质花蕾的酯酶、过氧化物酶、α-淀粉酶和超氧化物歧化酶同工酶进行系统分析。

When 20% accessions were selected, Mahalanobis distance and Ward's method using stepwise clustering combining with preferred sampling can construct a most reprehensive core collection and was the most suitable method for constructing M. sieversii core collection.

本研究显示，当取样比例为20%时，采用马氏距离，利用离差平法和法进行多次聚类，结合优先取样策略构建的核心种质最有代表性，是构建新疆野苹果的最佳的方法。

On closer examination, though, this is not a vote for multilateralism but just the opposite.

仔细审视后我们发现，这并非是对多边主义投出的赞成票，而是恰好相反。

Uncovering their weak spots, so I can defeat them.

揭露出他们的弱点，这样我就可以打败他们了。