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The levels of drought tolerance and nucleotide polymorphism at CBF4 locus in a worldwide sample of 17 core accessions of Arabidopsis thaliana were examined. The results showed that different accessions had quite difference in adaptation to drought stress.

以生长于不同生态气候条件下的17个拟南芥核心生态型为材料，分析了它们的相对抗旱性和抗旱转录因子CBF4 基因的单核苷酸多态性。

Our group collected 35 accessions in dooryard from 13 Provinces and 34 accessions from three germplasm repositories.

本课题组收集了13个省市的35份枳资源，各资源圃的枳选系34份共69份材料建立起全国最大的枳资源收集圃。

Reaction of 24 Einkorn accessions to mixed inoculum of powdery mildew and stripe rust,and two T.urartu accessions UR204,UR206 and a T.monococcum accession MO205 were used for reaction to a set of 15 differential Blumeria graminis tritici isolates and 21 differential Puccinia striiformis isolates,respectively.Among them,UR206 was resistant to all 15 isolates,UR204 was resistant to 14 isolates except E11,and MO205 showed different resistant types.The results indicated that most likely UR206 and UR204 carried new powdery mildew resistance genes that were different from 18 known Pm genes and MO205 carried new stripe rust gene that were different from 24 known Yr genes.

本研究对24份一粒小麦分别进行了白粉病和条锈病混合菌种苗期接种鉴定，进一步分别用一套白粉病菌菌株(15个)对2份乌拉尔图小麦和条锈病菌小种(21个)对1份栽培一粒小麦进行接种鉴定，其中乌拉尔图小麦UR206能抵抗所有供试白粉菌菌株，UR204除对白粉菌菌株E11感病外，对其余菌株表现抗性；栽培一粒小麦MO205对不同条锈菌小种表现出不同的抗性反应，研究表明乌拉尔图小麦UR206、UR204和栽培一粒小麦MO205分别含有与已知抗白粉病和抗条锈病基因不同的新基因。

All accessions were clustered into three groups :Cucurbita moschata、Cucurbita maxima and Cucurbita pepo . According to the clusters, squash accessions could be clustered properly.

通过对供试材料RAPD标记进行聚类分析，供试材料被分为3大类：中国南瓜、美洲南瓜和印度南瓜，中国南瓜与美洲南瓜的距离最近，印度南瓜次之，种间差异明显。

The 54 accessions were classified into five major groups:Ⅰ,Ⅱ,Ⅲ,Ⅳ and Ⅴ by cluster analysis using UPGMA, which showed significant relationship with the origin regions of accessions. Genetic differentiation between and within eight eco-geographical groups of C.dactylon was estimated by Shannon's diversity index, which showed that 63.81% genetic variance existed within group, and 36.19 % genetic variance was among groups, indicating rather large genetic distances among those germplasm, and there was a correlation between genetic differentiation and eco-geographical habits among the groups.

聚类分析结果表明，52份材料可聚为5类；基于Shannon多样性指数估算了8个狗牙根生态地理类群内和类群间的遗传分化，类群内的遗传变异占总变异的63.81%，类群间的遗传变异占总变异的36.19%，表明这些抗源材料遗传差异较大，各生态地理类群间的遗传分化与其所处的生态地理环境具有一定的相关性。

Acephala were collected by near infrared reflectance spectroscopy and contents of seed oil and meal protein of 250 accessions selected from 807 accessions were determined by classical chemical methods.

应用近红外反射光谱技术采集807份羽衣甘蓝种子光谱数据，然后挑选250份材料，用经典化学方法测试种子油含量和饼粕蛋白质含量。

Sequence-related amplified polymorphism markers were used to detect the genetic diversity of 44 wild accessions of Cynodon dactylon collected from Sichuan, Chongqing, Yunnan, Guizhou and Tibet of China, and 8 wild accessions of C.dactylon collected from Africa.

利用SRAP分子标记技术，对采自中国西南5省区的44份野生狗牙根及8份非洲狗牙根材料进行遗传多样性研究。

The growth parameters of 20 accessions of Elymus spp. at early seedling stage were measured under various salt stress at 0, 0.4%, 0.6%, 0.8% and 1.0% NaCl in the soil, and the accessions were sorted out using the method of polar ordination.

设置对照(0)、0.4%、0.6%、0.8%和1.0%等5个土壤盐浓度水平，对披碱草属20份野生种质材料的苗期生长参数进行测定，在此基础上采用极差分类进行种质材料的耐盐性排序。

Mandschurica and F. vesca. To study the effect of Fragaria interspecific hybrid breeding on molecular level, the 14 accessions from interspecific hybrids of 2 crosses combinations between F. nilgerrensis and F. ananassa and 10 accessions from interspecific hybrids between F.

在杂种后代中观察到了亲本黄毛草莓、东北草莓及凤梨草莓不同栽培品种的特征带型，从而从DNA分子水平初步证实了黄毛草莓、东北草莓与凤梨草莓种间杂种的真实性。

The results revealed that there were 5 genetically homogeneous accessions having only one hordein spectrum biotype and 15 genetically heterogeneous accessions having 2~6 hordeins spectrum biotypes.

为了给大麦种质的保存和更新提供依据，采用醇溶蛋白电泳技术对20份大麦种质（每一份种质各有两个繁殖年份不同的供试材料）进行了遗传完整性分析。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了