条锈病

CH5026,a wheat breeding line developed by backcrossing a partial wheat-Thinopyrum intermedium amphiploid TAI7045 with susceptible wheat cultivar, exhibits the resistance to both powdery mildew and yellow rust.

CH5026是衍生于八倍体小偃麦TAI7045的抗病新品系，它兼抗小麦的白粉病和条锈病。

In the past decades, DNA molecular markers have been applied to investigate the population genetics of wheat stripe rust fungus, and rapid progress has brought out in the research of P.

小麦条锈病是危害最严重的小麦流行性病害之一，小麦条锈菌的生态学研究对制定合理的防治策略和抗锈育种具有重要意义。

Presently, the better methods against the wheat stripe rust are using resistance cultivars and chemicals.

中国是世界上最大的小麦条锈病流行区，小麦条锈菌流行体系是一个相对独立的体系。

Additionally the spatial pattern of wheat stripe rust at large scale was analyzed using the same methods.

明确了我国适合小麦条锈病菌越夏、越冬的范围，为制定越夏区治理方案提供依据，也有利于指导对条锈菌越夏、越冬情况的进一步调查。

Thinopyrum intermedium,one of the relative species of common wheat,is a kind of dominant wheat germplasm resource for the resistance to stripe rust in wheat genetic improvement. With using Chinese spring phlb as recurrent parents and awnless Zhong 4(a partial chromosome of Thinopyrum intermedium)as donor parents,that is backcross selection,the offspring BC_2F_(7～9)were acquired.Cytology check and genome in situ hybridization, were used for the translocation lines and substitution lines detection.

本研究采用常规杂交并辅抗性鉴定等方法，以中国春phlb突变体为轮回亲本，利用无芒中4，转育中间偃麦草的抗条锈性，并通过细胞学和DNA原位杂交检测，鉴定和筛选普通小麦—中间偃麦草的抗条锈病异代换系或易位系。

Libellula and Xiannong 4 are classic durable resistant varieties in Southern Region of Gansu Province where wheat stripe rust is serious. The study was done in order to reveal their seeding resistant characteristics and mechanism.

明确甘肃陇南小麦条锈病常发易变区典型的持久抗病性品种里勃留拉和咸农4号苗期的抗条锈性特点及抗性机制。

Stripe rust, caused by Puccinia striiformis f.

小麦条锈病是由小麦条锈菌Puccinia striiformis f。

Wheat stripe rust, caused by Puccinia striiformis West. f. sp. tritic is one of the most important diseases on wheat throughout the world.

小麦条锈病是由小麦条锈菌(Puccinia striiformis f.sp.tritici)引起的重要病害，严重威胁着小麦生产。

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。

A cluster analysis of two-hundred candidate wheat cultivars from Shaanxi, Gansu, Sichuan and Henan provinces recently was performed by using unweighted pair-group average method,based on the data from their seedling resistance reaction to six dominant isolates of Puccinia striiformis with the different virulence.

为了弄清我国小麦条锈病主要流行区后备小麦品种的抗锈性，选用6个条锈菌优势菌系，对陕，甘，川，豫四省近年来培育的200份后备小麦品种进行苗期和成株期鉴定，并分别对不同省份后备品种的抗条锈性进行聚类分析。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。