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Dicoccoides were tested for seedling powdery mildew resistance and crossed with common wheat susceptible line 87-1 to obtain F1 seeds. The reactions to Erysiphe. graminis f.

对40份野生二粒小麦材料进行了抗白粉病鉴定，并与感病普通小麦87-1进行杂交，获得了F_1种子。

AIM: To find the susceptible or resistant genes of H pylori infectionin Bai-ethnic children of Kunming,and to explore the immunogenetic mechanism of H pylori infection.

目的：探讨昆明白族儿童幽门螺杆菌(Helicobacter pylori，H pylori)感染与人类白细胞抗原-DQA1(HLA-DQA1)等位基因的相关性，寻找是否存在与H pylori感染相关的易感基因或抵抗基因，从免疫学的角度探讨H pylori感染的免疫遗传机制。

In order to evaluate the resistance risk of meilingmycin and chlorfenapyr to Tetranychus urticae , resistance selection by slide slip method were carried out in laboratory. The related susceptible population of T.

在温室内模拟田间药剂的选择压力，用梅岭霉素和溴虫腈对二斑叶螨 Tetranychus urticae 以浸渍法逐代处理，选育其抗性种群，评价其抗性风险性。

The susceptible strain, the abamectin resistant strain and the high temperature tolerant strain from Tetranychus cinnabarinus were used to study cross tolerance to abamectin and high temperature using the methods of bioassay and fluorescent real time quantitative PCR.

以朱砂叶螨敏感种群、抗阿维菌素种群和耐高温种群为材料，应用生物测定方法以及荧光实时定量PCR技术，研究朱砂叶螨抗药性和耐高温间存在的交互耐性及机制。

In this experiment, methods of artificial inoculation were used to evaluate 17 species (including 26 types), 2 mutants, 3 cultivars, and 4 hybrids of Malus for their resistance to Valsa Mali. After 3 years repeated trials, it showed that 7 of them are highly resistant 2 are resistant, 2 are medium resistant and others are different grades of susceptible resources.

在1983年接种方法研究的基础上，于1985—1987年采用人工田间砸伤接种法，对苹果属17个种的26个类型、2个变种、3个品种和4个杂交种，共35份种质资源材料进行抗腐烂病的系统鉴定，经3年重复，鉴定出高抗级种质资源7份，一般抗2份，中抗2份，其它均为感病各级的资源。

The F〓 generations self-pollinated to produce F〓 populations and backcrossed with susceptible parents to produce BC〓F〓 populations.

南方锈病高抗自交系齐319分别与高感自交系鲁原92、黄早4、478、340、9801杂交，F〓自交及与感病亲本回交。

Bainong 64',a resistant wheat variety to slow powdery mildew,'Jingshuang 16',a susceptible wheat variety to slow powdery mildew were crossed with each other and backcrossed with their F_1,and thus six generations including the parents were obtained.

慢白粉品种'百农64'与感病品种'京双16'杂交，F1自交并分别与两亲本回交，获得包括亲本在内的6个世代，分析了'百农64'慢白粉性的基因数目、遗传力和遗传模型。

Dazicao, a native wheat variety with stripe rust resistance from Henan, China, was crossed with susceptible cultivar Mingxian 169 as the female parent. The F1 progeny was selfed to produce F2 progeny and backcrossed with Mingxian 169 to produce BC1 progeny.

以抗条銹病的农家品种大籽糙作父本、感病品种铭贤169作母本杂交获得F1代杂交种，F1代植株自交获得F2代种子，F1代植株与铭贤169回交获得BC1代种子。

Dazicao,a native wheat variety with stripe rust resistance from Henan,China,was crossed with susceptible cultivar Mingxian 169 as the female parent.The F1 progeny was selfed to produce F2 progeny and backcrossed with Mingxian 169 to produce BC1 progeny.

以抗条锈病的农家品种大籽糙作父本、感病品种铭贤169作母本杂交获得F1代杂交种，F1代植株自交获得F2代种子，F1代植株与铭贤169回交获得 BC1代种子。

The results implied that all of these three genes, when transiently expressed in leaf epidermal cells of susceptible wheat variety, can partly inhibit penetration of conidiospores and formation of haustoria, and to some extent increase the resistance of expression cells to powdery mildew.

结果表明，这3个基因在感病小麦品种叶片表皮细胞中的瞬间表达，对白粉菌侵入和吸器形成均有部分抑制作用，在一定程度上增强了表达细胞对白粉菌的抗性。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。