查询词典 stripe rust

Genetic analysis were carried out to identify powdery mildew and strip rust resistance genes in the F2 of Am6-4 amphiploid and wheat variety Jinan17. Results showed that resistances to powdery mildew and stripe rust were controlled by a single dominant gene respectively. 124 SSR primers from genome D were used for marker analysis, marker Xgwm98 150(150为下标) from the chromosome 6D was found to be linked to the new powdery mildew resistance gene with a linkage distance 20.42 cM; A special DNA band was amplified by primere xgwm33 in resistant stripe rust plants, resistance gene for stripe rust was localized on chromosome 1D, and the genetic distance between resistance gene and marker is 8.0 cM.

利用Am6-4与济南17F2分离群体进行白粉病和条锈病抗性基因的遗传分析结果证明，Am6-4中的抗白粉病和抗条锈病基因均为单显性基因；以124对D基因组SSR引物进行标记分析，引物Xgwm98在抗白粉病DNA池和单株中能扩增出特异标记带，标记与抗白粉病基因间的遗传距离为20.42cM，并将抗白粉病基因定位于6D染色体；引物Xgwm33能在抗条锈病DNA池和单株中扩增出特异标记带，标记与抗条锈病基因间的遗传距离为8.0cM，并将抗条锈病基因定位于1D染色体。

RAPD analysis was performed between a near-isogenic line Yr5/6× Avocet S carrying the resistance gene Yr5 against wheat stripe rust and its susceptible parent Avocet S,using the Yr5 gene donor parent Triticum spelta album as control.

以小麦抗条锈病基因 Yr5 的供体亲本Triticum spelta album作为对照，对近等基因系 Yr5/6×Avocet S和感病亲本Avocet S进行RAPD分析。

RAPD analysis was performed between a near-isogeni c line Yr5 /6 Avocet S carrying the resistance gene Yr5 against wheat stripe rust and its suscepti ble parent Avocet S,using the Yr5 gene donor parent Triticum spelta album as control.

以小麦抗条锈病基因 Yr5 的供体亲本Triticum spelta album作为对照，对近等基因系 Yr5/6 Avocet S和感病亲本Avocet S进行RAPD分析。

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。

Stripe rust is the major fungous disease in wheat.

条锈病是全世界小麦生产上的主要真菌病害。

Researches for 32 years (1973-2004) conducted in Longnan, one region in China where wheat stripe-rust strain is labile, have shown that most wheat cultivars lost their resistance to stripe rust after 3-8 years, while Libellula and N.

在我国小麦条锈病常发易变区陇南地区，从1973年起对里勃留拉、N。斯特拉姆潘列、成农4号、清农1号、中梁5号和清农3号6个品种抗杀锈病的持久性进行了鉴定与分析。

Stripe rust of wheat, caused by Puccinia striiformis f. sp. tritici, is one of most serious disease in the world. Aplication of cultivars resistance is the most important method of controlling stripe rust of wheat.

小麦条锈病是世界范围内危害最为严重的小麦病害之一，抗病品种的选育和利用是防治该病害的核心措施。

In order to excavate excellent resistant materials to stripe rust, sixty wheat landraces were assessed for resistance to stripe rust Puccinia striiformis West.

为了解小麦抗病品种的基因背景和遗传特点，采用中国目前的条锈菌优势小种对60个小麦农家品种进行了苗期和成株期抗条锈病鉴定。

Development of markers for wheat stripe rust resistance gene Yr26 Stripe rust, caused by Puccinia striiformis f. sp. tritici, is one of the most devastating wheat diseases worldwide. Development of resistant cultivars is the most economic, effective and ecological approach to control the disease.

小麦抗条锈病基因Yr26的SSR和STS标记小麦条锈病是由小麦条锈菌(Puccinia striiformis f.sp.stritic)引起的一种广泛流行的世界性小麦病害，培育抗病品种是防治小麦条锈病最经济有效且利于环境安全的措施。

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 absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。