查询词典 orange leaf rust

With conventional PCR primer pair XBFF/R,the same 352bp bands appeared by amplifying all the DNA samples from the eight races,and no bands appeared by amplifying all the DNA samples from the 9 plant pathogen species(Cucumber powdery mildew,wheat yellow rust,wheat leaf rust,wheat stem rust,wheat scab,wheat sheath blight,wheat loose smut,maize sheath blight and maize head smut)and control.

3用常规PCR和实时荧光PCR两种方法对温室接种的小麦白粉病进行了检测，并在时间上与自然显症的观察进行了比较，结果表明：在温室条件下，小麦白粉病菌在接种后第5d时开始出现小麦白粉病病斑，而利用常规PCR引物XBFF/R可在接种第3d检测到小麦白粉病菌，比自然显症观察能够提前了2d检测到白粉病菌；实时荧光PCR法可在接种后1d即能检测到小麦白粉病菌，比自然显症观察能够提前了4d检测到白粉病菌，这可为白粉菌的预测或预警检测提供依据，更可为白粉病在流行前制定防治决策赢得宝贵时间。4。

Seedling infection types were detected in eight synthetic hexaploids and theirparents against five stripe rust races and four leaf rust races. The results indicatedtha D and A B genomes of Wheat possessed suPpressors for rust resiStance but morecomrnon on D genomes.

从8个人工合成的六倍体小麦及其亲本材料与5个条锈小种和4个叶锈小种相互作用的苗期侵染型分析表明，小麦D染色体组和A、B染色体组上普遍存在抗锈性抑制因子，以D染色体组上抑制因子的出现频率居高。

The main results were as follows: 1.After being radiated with 60 Co-γ, seven types of mutated plants were obtained through morphologic observation on the aftergrowth of the regeneration plantlets. The mutation characters included the purple leaf vein and petiole, the spotted leaf, the strumae leaf, the acerose leaf, the tender stem, the leaf shape variation, and the leaf color variation.

通过60 Co-γ射线诱变处理后的再生植株试管苗阶段的形态学观察，共获包括紫色叶柄、斑叶、瘤状叶片、细长叶片、茎杆细小、叶型变异、叶色变异的7种不同类型的变异植株。

The study was supported by National Nature Science Foundation of China of ""Biological foundation study of electrical indexes assessing tree vigor"". The mechanism of tree's leaf and stem capacitance and the application of electrical indexes under environmental stresses were studied. The main conclusions are summarized as following:(1) The leaf capacitance had significant positive correlations with leaf exosmosis electro conductivity, exosmosis percentage and leaf absolute moisture content, had significant negative correlations with leaf electrolyte electro conductivity and had no correlations with leaf relative water content.

本研究在国家自然科学基金"林木健康状况评价的电指标生物学基础"的支持下，对树体叶片电容和树体干部电容的机理及外界胁迫因素作用对树体电指标的影响进行了初步研究，研究的主要结论包括：(1)树木叶片电容与单位质量叶片离子外渗液电导率、叶片细胞离子外渗百分率及叶片绝对含水率呈显著的正相关关系，与单位质量叶片总电导率呈显著的负相关关系，与叶片相对含水率的相关性不显著。

The green stem, big leaf, few branch, mauve flower type and the purple stem, big leaf, few branch, purple flower type were classified into one class. The green stem, small leaf, multibranch, mauve flower type, the green stem, big leaf, multibranch, purple flower type, the green stem, small leaf, multibranch, mauve flower type, and the purple stem, small leaf, multibranch, purple flower type were classified into another class.Conclusion The artificially cultivated S.

其中，绿茎、小叶、少分枝和紫色花类型与普通类型各自聚为一类，绿茎、大叶、少分枝和淡紫色花类型与紫红茎、大叶、少分枝和紫色花类型聚为一类，绿茎、小叶、多分枝和淡紫色花类型，绿茎、大叶、多分枝和紫色花类型，绿茎、小叶、多分枝和淡紫色花类型与紫红茎、小叶、多分枝和紫色花类型聚为一类。

As compared with the traditional irrigation-traditional fertilization, the following results of the improved traditional irrigation-optimized fertilization were obtained: reduced tiller number per unit area, lower percentage of the tiller ear number/the tiller number, the decreased ear number per unit area, the greatly reduced grain number per ear (1999-2000) and like weight of 1, 000 grains; almost the same plant height; shorter base internode length, a bit more weight per unit internode length, longer internode length under ear; lower LAI values in middle and later stages; coincident process of dry matter accumulation from straight growth onwards, a little more dry matter accumulation amount from earing to maturity; shorter and thicker flag leaf, 2〓 leaf, 3〓 leaf and 4〓 leaf from top, reduced total area of these leave; bigger mean canopy leaf tilt angle, smaller light extinction coefficient , higher ratio of light penetration in the upper, middle and lower parts of the wheat canopy, and tighter plant type; almost identical dynamic change of flag leaf chlorophyll content; and almost the same root amount in 0-120cm soil layer, smaller rate of progressive decrease of the root length density and root weight density with soil getting deep and relatively increased root amount in deeper soil layers.

在传统灌溉-优化施肥条件下，冬小麦单位面积总分蘖数比传统水肥减少，成穗率降低，单位面积穗数有所减少，穗粒数、千粒重无显著性差异；株高基本无变化；基部节间长度缩短，充实度略微增高，穗下节间增长；中后期叶面积指数略低于传统水肥；起身至成熟干物质积累量动态变化过程与传统水肥十分接近，但抽穗至成熟形成的干物质量增加；旗叶、倒2叶倒3叶、倒4叶叶长及总叶面积有所减少，叶片相对增厚；冠层平均叶倾角大，消光系数小，冠层各层的透光率较高，株型紧凑；旗叶叶绿素含量动态变化与传统水肥十分接近；0-120cm土层总根量与传统水肥也差异不大，但根长密度和根重密度随土层深度递减速度较慢，根系在下层土壤的分布相对增多。

But there existed significant difference in the form of leaf base , leaf length, leaf width and micro-morphology characteristics of the leaf epidermis（the cell number of the adaxial epidermis and abaxial epidermis, the stomal length,the stomal width,the stomal density）.ConclusionIt exhibited mutation in morphological characteristics of the leaf and micro-morphology characteristics of the leaf epidermis in a long-term cultivation process.

结果不同叶型的冬凌草其表皮细胞的形状、气孔类型均相同，但其叶基形状、叶长、叶宽、叶表皮微形态特征（上表皮细胞和下表皮细胞的数目、气孔长度、宽度及气孔密度等）存在明显的差异。

Wheat leaf rust, caused by Puccinia triticina, is one of the most important wheat diseases in the world. The leaf rust fungus is adapted to different climates, the disease can be found in diverse wheat growing areas throughout the world.

由小麦叶锈菌引起的小麦叶锈病是小麦生产上的主要病害之一，适宜范围广，发生区域大，严重发生时可造成5%—15%甚至更高的产量损失。

In order to discuss the signal transduction mechanism,wheat cultivar Lovrin10 and different leaf rust fungus races were used to form compatible and incompatible interaction groups to study the role of drugs affecting calcium metabolism and calcium channel on HR induced by wheat leaf rust fungus.

为进一步探讨小麦抵抗叶锈菌侵染的防卫反应的信号转导机制，利用小麦品种洛夫林10和不同叶锈菌生理小种组成亲和与不亲和组合，研究影响Ca2+代谢和钙通道的药物对小麦受叶锈菌侵染后诱发的HR的作用。

The change paint due to add the German paint with rust antirust, it can reacted with the lower rust layer and then form a passivation thing, so it has capitally corrosion protection of row steel plates with rust and excellent physical and mechanical properties.

该漆由于加入德国带锈防锈剂，能与底材锈蚀层反应，形成钝化物，故对有锈蚀钢铁底材具有极佳的保护性能，优异的物理机械性能。

The system can be widely used in belt weighing and batching process control,etc.

介绍了基于智能模糊控制的嵌入式配料系统的设计方法，对模糊PID控制过程和系统调零作了重点的讨论，同时给出了PID控制的程序流程图和系统定长调零子程序。

"I dunno," she answered,"but if you show me aroun', I'll recognize it from the lighthouse just outside the porthole."

"我不知道，"她回答说，"如果你能带我转转，我能认出来的，因为灯塔就在舷窗外。"