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rust
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  锈病
    Cloning of a cDNA fragment of resistance-related gene and the candidate for the stripe rust resistance gene Yr10 from wheat
    小麦抗条锈病相关基因cDNA片段及Yr10候选基因的克隆
短句来源
    Control Effect and Mechanism of Triazole Fungicides Folicur and Caramba on Fusarium Head Blight and Wheat Stripe Rust
    三唑类杀菌剂Folicur与Caramba对小麦赤霉病和条锈病防治效果及机理的研究
短句来源
    Genetic Analysis and Mapping of a Novel Stripe Rust Resistance Gene YrHua in Wheat Originating from Psathyrostachys Huashanica Keng and Molecular Interaction between Xiaoyan6 and Puccinia Striiformis in High-temprature
    来自华山新麦草抗小麦条锈病基因的遗传分析和小偃6号高温抗条锈性差异表达基因的鉴定
短句来源
    ON THE CHEMICAL CONTROL OF STRIPE RUST OF WHEAT
    小麦条锈病药剂防治试验
短句来源
    A STUDY ON BLISTER RUST OF KOREAN PINE
    红松疱锈病的研究
短句来源
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    Free Radical Mechanism of Wheat Resistance to Stripe Rust
    小麦抗条性的自由基分子机理
短句来源
    Molecular Markers for Lr37, Lr44 Based on AFLP and Detection of Wheat Leaf Rust Resistance Genes in 124 Wheat Cultivars (Lines)
    Lr37、Lr44AFLP分子标记及124个小麦品种(系)抗叶基因鉴定
短句来源
    Genetic Analysis and Mapping of a Novel Stripe Rust Resistance Gene YrHua in Wheat Originating from Psathyrostachys Huashanica Keng and Molecular Interaction between Xiaoyan6 and Puccinia Striiformis in High-temprature
    来自华山新麦草抗小麦条病基因的遗传分析和小偃6号高温抗条性差异表达基因的鉴定
短句来源
    Control of grounanut leaf rust with a mixture of Di-xiu-na and colloidal sulfure
    敌钢(对氨基苯磺酸钠)的研究——Ⅰ.敌钠与胶体硫混用在田间防治花生病和叶斑病的效果
短句来源
    ANALYSIS OF THE RESISTANCE OF THE IMPORTANT VARIETIES OF WHEAT AT ADULT STAGE TO DIFFERENT RACES OF STRIPE RUST DURING THE YEARS 1975—1986 IN CHINA
    1975—1986年我国小麦品种抗条性分小种成株鉴定结果
短句来源
更多       
  锈菌
    STUDIES ON STRIPE RUST OF WHEAT——Ⅰ.PHYSIOLOGIC SPECIALIZATION OF PUCCINIA GLUMARUM (SCHMIDT) ERIKSS.& HENN.
    小麦条绣病研究——Ⅰ.小麦条锈菌的专化性研究
短句来源
    An Analysis of the physiological races of stem Rust of wheat in 1962
    1962年小麦稈锈菌生理小种区系消长分析
短句来源
    An analysis of the physiological races of wheat stem rust in 1963
    1963年小麦稈锈菌生理小种的区系消长分析
短句来源
    INFECTION CYCLE OF MELAMPSORA LARICi-POPULINA KLEB.AND SELECTION OF POP-LAR STOCKS RESISTANT TO RUST
    松杨栅锈菌(Melampsora larici-populina Kleb.)的侵染循环和抗锈树种的筛选
短句来源
    ON THE PHYSIOLOGIC SPECIALIZATION OF STRIPE RUST OF WHEAT IN CHINA DURING THE YEARS 1975—1984
    1975—1984年我国小麦条锈菌生理专化研究
短句来源
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  “rust”译为未确定词的双语例句
    Molecular Markers for the Rust and Wilt Resistance Genes in Flax and Evaluation of Flax Germplasm for the Resistance to Wilt
    亚麻抗锈病、抗枯萎病基因的分子标记及品种资源对枯萎病的抗性评价
短句来源
    A PRELIMINARY STUDY ON FLAG RUST OF SPRUCE (THEKOSPORA AREOLATA) (FR.) MAGN.
    云杉球果銹病[Thekopsora areolata(Fr)Magn.]初步研究
短句来源
    STUDY ON THE LEAF RUST OF DAVIDS EUROPEAN ASPEN CAUSED BY MELAMPSORA LARICI-TREMULAE KLEB.
    山杨叶锈病[Melampsora larici tremulae Kleb.]的研究
短句来源
    STUDY ON THE LEAF RUST OF CATHAY POPLAR CAUSED BY MELAMPSORA LARICI-POPULINA KLEB.
    青杨叶锈病(Melampsora larici-populina Kleb.)的研究
短句来源
    THE ANALYSIS OF THE RESISTANCE OF VARIETIES IN THE WHEAT STRIPE RUST NURSERIES ON 1951-1983
    1951~1983年我国小麦品种抗条诱性变异分析
短句来源
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  rust
The mechanism and formation conditions of conversion coatings (CC) obtained by treatment of rusted steel surfaces with tannin-based rust converters are considered.
      
The kinetic corrosion characteristics of 35ХН2МФА-Ш, 30ХН2МФА, and 30ХРА steels with rust-preventive compounds applied are investigated in an industrial neutral electrolyte, depending on whether a compound is infected with microorganisms or
      
Cytogenetic Analysis of Hybrids Resistant to Yellow Rust and Powdery Mildew Obtained by Crossing Common Wheat (Triticum aestivum
      
Most lines were resistant to yellow rust and powdery mildew.
      
Molecular Analysis of Leaf Rust-Resistant Introgression Lines Obtained by Crossing of Hexaploid Wheat Triticum aestivum with Tet
      
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The headblight or scab of wheat caused by Gibberella zeae (Schw.) Petch.has in recent years become more prevalent in the rice-wheat growing area ofEastern China with two heavy epidemics in 1952 and in 1954.It was reportedfrom this area that wheat varieties showed marked differences in their susceptibilityto headblight and that native varieties in general were less susceptible than theimproved ones.It was also reported that the degree of susceptibility appeared tobe related to the stage of host development.In...

The headblight or scab of wheat caused by Gibberella zeae (Schw.) Petch.has in recent years become more prevalent in the rice-wheat growing area ofEastern China with two heavy epidemics in 1952 and in 1954.It was reportedfrom this area that wheat varieties showed marked differences in their susceptibilityto headblight and that native varieties in general were less susceptible than theimproved ones.It was also reported that the degree of susceptibility appeared tobe related to the stage of host development.In 1952,varieties with earlier date ofheading were generally less susceptible than those which headed late. Varietal tests for the headblight resistance were made in Nanking in 1952and 1954.In 1952,235 varieties and hybrids were studied for their resistance toscab under natural conditions in the field.Great differences were found in theirdegree of infection,although none of them was immune.The percentages of in-fected heads ranged from 0.9 to 89.1 with most of them having 10 to 40% infec-tion.No definite correlation was seen between the percentage of infection andthe date of heading or of maturing.In 1954,tests on varietal resistance to scabwere again made with 40 varieties and hybrids including those being relatively lesssusceptible in the previous test.Attempts were made to induce epidemics in thefield by means of artificial inoculation.Results indicated that both mycelial andconidial suspensions were similarly effective for artificial inoculation.The averagepercentages of infected heads in the inoculated plots ranged from 4.2 to 77.7 incontrast to the uninoculated plots where the average percentages of infected headsbeing only trace to 7.1 with one variety not infected. From the experimental results obtained in 1952 and 1954,it was found thatrelative stability in resistance to headblight existed among different wheat varie-ties,although there was great variation in varietal resistance due to the effect ofenvironmental factors.Two hybrids,"5201" and "5204",were found to be muchmore resistant than all other varieties tested in both years.Hybrid "5204" gave ??0.9% of infected heads in 1952 and 3.4% in 1954,and hybrid "5201" gave5.5 and 9.0% of infected heads in the respective years.Both hybrids also possessother desirable characteristics such as early maturity,relative high yield,stiffystems,and high resistance to the stripe rust. Greenhouse studies were made in 1954 with two susceptible varieties ofwheat for testing their susceptibility to headblight at six different stages of deve-lopment from shooting to hard dough.Results indicated that the plant was sus-ceptible at all these stages of development with a tendency of being more heavilyinfected toward maturity.It was also observed that temperature had obvious effecton the degree of infection.Plants inoculated at flowering stage were more heavilyinfected when kept at 25℃ after inoculation than when kept at 15℃.However,the inoculated plants kept at 25℃ during the day and at 15℃ at night resultedin a degree of infection similar to those kept at 25℃ all the time.

(一)小麦赤微病在苏、浙、皖的稻麦两熟地区经常严重发生,1952及1954年两度猖獗流行,造成苏南及浙江地区小麦生产上的严重损失。通过调查,发现各地小麦品种对病害的反应确有显著差异。地方品种,一般发病较轻,而改良品种如“2905”、“2419”、“玉皮”、“矮立多”等,常常严重地感染病害。(二)1952年在自然情况下,观察此较235个小麦品种结果,虽没有一个品种不发病,但品种间的发病率相差极大,自0.9%至89.1%,而不同品种感染程度的轻重与抽穗期及成熟期的早迟关系不大。(三)1954年大田人工接种结果,效果显著,供试40个品种接种区的最高发病率达77.7%,而自然感染区的最高发病率只有7.1%。在接种试验中,初步证明:(1)大量有效的病原体与适合病害发生的气候因子同是病害流行的主要条件;(2)接种方法,用菌丝体接种与用分生孢子接种的效果,并无多大差别;(3)品种的抽穗先后,与发病轻重无一定关系。(四)温室试验指出,小麦自抽穗至糊熟各期麦穗被害率相似,但小穗的被害率在抽穗期最低,开花以后,有愈近成熟感染程度愈重的趋势。(五)开花期接种后的小麦,置於25℃的麦穗被害率和置於15℃的相似,但前者的小穗被害率此后...

(一)小麦赤微病在苏、浙、皖的稻麦两熟地区经常严重发生,1952及1954年两度猖獗流行,造成苏南及浙江地区小麦生产上的严重损失。通过调查,发现各地小麦品种对病害的反应确有显著差异。地方品种,一般发病较轻,而改良品种如“2905”、“2419”、“玉皮”、“矮立多”等,常常严重地感染病害。(二)1952年在自然情况下,观察此较235个小麦品种结果,虽没有一个品种不发病,但品种间的发病率相差极大,自0.9%至89.1%,而不同品种感染程度的轻重与抽穗期及成熟期的早迟关系不大。(三)1954年大田人工接种结果,效果显著,供试40个品种接种区的最高发病率达77.7%,而自然感染区的最高发病率只有7.1%。在接种试验中,初步证明:(1)大量有效的病原体与适合病害发生的气候因子同是病害流行的主要条件;(2)接种方法,用菌丝体接种与用分生孢子接种的效果,并无多大差别;(3)品种的抽穗先后,与发病轻重无一定关系。(四)温室试验指出,小麦自抽穗至糊熟各期麦穗被害率相似,但小穗的被害率在抽穗期最低,开花以后,有愈近成熟感染程度愈重的趋势。(五)开花期接种后的小麦,置於25℃的麦穗被害率和置於15℃的相似,但前者的小穗被害率此后者高。日间25℃和夜间15℃交替的变温处理,发病情形与始终置於25℃的相近。(六)不同小麦品种对于赤微病具有相对稳定的抵抗性或感染性。“5201”及“5204”等杂交系,在自然感染和人工接种情形下,发病都很轻微,并且具有早熟、丰产、秆硬和高度抵抗条锈等优良特性。

Among collections chiefly from North China,different races of Pucciniaglumarum were identified by means of differential hosts used by Gassner & Straibor a set of improved varieties of wheat grown in China. Among 14 improved varieties,marked differences in resistance to stripe rustwere observed.Li-Yung I was resistant to 40 out of 50 collections of striperust,with unstable reactions to 7 collections; Nanking 4197 was resistant to 37 ??collections with unstable reactions to 9 collections; while Yechao 35368 and...

Among collections chiefly from North China,different races of Pucciniaglumarum were identified by means of differential hosts used by Gassner & Straibor a set of improved varieties of wheat grown in China. Among 14 improved varieties,marked differences in resistance to stripe rustwere observed.Li-Yung I was resistant to 40 out of 50 collections of striperust,with unstable reactions to 7 collections; Nanking 4197 was resistant to 37 ??collections with unstable reactions to 9 collections; while Yechao 35368 and Ye-Ta 1885 were susceptible to all except 5 collections from FJymus ckinense.Theinstability of varietal reactions is one of the principal obstacles in identification.As a consequence,tests with 6 improved varieties including Early Premium,Pi-Ma 1,etc.,only 21 out of 50 stripe rust collections could be differentiated into10 distinctly different races (Y 1 to Y10).However,there were great differencesin pathogenicity among different races so far identified.All the 6 improvedvarieties were resistant to race Y 1 and susceptible to race Y 2.The virulenceof other races differed from one another also pronouncedly. Races Y2,Y3,Y4,Y5 ,Y6,Y7 ,and Y8 were collected from wheat; Y 9 andY10 from Agropyron spp.; and Y1 was collected mainly from Elymus chinense(including 1 collection from wheat).Races Y 1,Y 3.Y 4,Y 5,Y 7,Y 8,Y 9,Y 10were found in Hopeh; Y 1,Y 2,Y 6,Y 7 in Shansi; and Y 6 in Shantung. All collections could be readily grouped into 16 different forms if the highestreaction type was taken as a basis for identification (this method of groupingwas adopted by Fang et al).Comparing the results with that of Fang et al,itappeared that reactions of certain varieties,such as Early Premium,Li-Yung 1 tocollections from North China were distinctly different from their reactions tocollections from East China.This suggested strongly that races of stripe rustorganism between these two regions might be quite different. All wheat varieties tested were found to be resistant to stripe rust collectionsfrom Elymus chinense.whereas collections from Elymus sibiricus and Agropyronspp.were capable of attacking many wheat varieties. Single spore infection of stripe rust frequently resulted in sporulation on thewhole leaf blade.This is definitely much more systemic than infections of eitherstem rust or leaf rust organism.Inoculations with single uredospores and mono-uredospore lines often produced mixtures of infection types ranging from resistantto susceptible on same leaf blades.This is analogous to "X" type reactions re-ported in stem rust and leaf rust literature; therefore,"X" type reaction shouldalso be recognized in the study of stripe rust.

1950年以来自华北以及少数其他地区搜集的条銹菌种,不論在Gassner和Straib所用的鑒定寄主或在国內推广品种上鑒定,都可区分出許多不同的类型。所用14个推广品种对于这些条绣菌种的抗病性有着很大的差別;其中以驪英1号最抗病,对50个菌种中的40个菌种是抵抗的,对7个菌种反应不稳定;金大4197次之,对37个菌种是抵抗的,9个菌种反映不稳定;燕交35368及燕大1885除了对5个碱草(Elymus chin-ense)条銹菌种抵抗外,对其他所有菌种的反应都是感染型。品种反应的不稳定,是鑒定工作中的主要困难。加根据早洋麦、农大3号、碧螞1号、碧螞4号、驪英3号、玉皮麦等6个品种的稳定反应加以分析,仅能將50个菌种中的21个区分成10个显著不同的类型。这6个品种对第一类型均为抵抗,对第二类型均为感染,其他类型的致病力介于二者之間。在这10个类型中,类型Y_2,Y_3,Y_4,Y_5,Y_6,Y_7,Y_8采自小麦;类型Y_9,Y_(10)采自Agropyron spp.;类型Y_1主要采自Elymuschinense(包括一个小麦菌种)。河北出現的类型有Y_1,Y_3,Y_4,Y_5,Y_7,Y_8,Y_9,...

1950年以来自华北以及少数其他地区搜集的条銹菌种,不論在Gassner和Straib所用的鑒定寄主或在国內推广品种上鑒定,都可区分出許多不同的类型。所用14个推广品种对于这些条绣菌种的抗病性有着很大的差別;其中以驪英1号最抗病,对50个菌种中的40个菌种是抵抗的,对7个菌种反应不稳定;金大4197次之,对37个菌种是抵抗的,9个菌种反映不稳定;燕交35368及燕大1885除了对5个碱草(Elymus chin-ense)条銹菌种抵抗外,对其他所有菌种的反应都是感染型。品种反应的不稳定,是鑒定工作中的主要困难。加根据早洋麦、农大3号、碧螞1号、碧螞4号、驪英3号、玉皮麦等6个品种的稳定反应加以分析,仅能將50个菌种中的21个区分成10个显著不同的类型。这6个品种对第一类型均为抵抗,对第二类型均为感染,其他类型的致病力介于二者之間。在这10个类型中,类型Y_2,Y_3,Y_4,Y_5,Y_6,Y_7,Y_8采自小麦;类型Y_9,Y_(10)采自Agropyron spp.;类型Y_1主要采自Elymuschinense(包括一个小麦菌种)。河北出現的类型有Y_1,Y_3,Y_4,Y_5,Y_7,Y_8,Y_9,Y_(10);山西出現有类型Y_1,Y_2,Y_6,Y_7;山东出現有类型Y_6。品种不稳定反应除通过选擇反应較为稳定的品种来克服外,同时还須严格掌握温室条件。如以品种的最高反应为标准(如方中达、陈迺用所采用),則可將上面50个菌种分成16个不同的类型。与华东的結果比較,許多品种如早洋麦、驪英1号等对兩个地区条銹病菌的反应适相反,表明华东和华北条锈菌的致病力可能有很大的差別。Elymus chinense的条銹菌与小麦条绣菌的致病力有極大差异,所测定的小麦品种对前者均抵抗。Elymus sibiricus和Agropyron spp.的条绣菌則能正常侵染多种小麦品种的幼苗。条銹菌在小麦叶片內能适当的扩展,較秆銹菌和叶銹菌更有系統性,單孢子接种約在二星期左右可蔓延到整个叶片。同一叶片上常出現抗病和感病的反应,用單孢及單孢菌系接种,得出同样結果。条绣菌的鑒定标准中除了原有的反应型外,还应加入混合型“X”一項。

1. In this study which has been carried on since 1949,attempts were made toanalyse factors involved in the outbreaks of stripe rust of wheat in North Chinawith a view of giving some clues for forcasting.Five periods of the developmentof an epidemic of the stripe rust in this region are recognized:(1) the infectionand divelopment period of the rust on wheat seedlings in the autumn,(2) the over-wintering period,(3) the over-springing period,(4) the development period in thelate spring,and (5)...

1. In this study which has been carried on since 1949,attempts were made toanalyse factors involved in the outbreaks of stripe rust of wheat in North Chinawith a view of giving some clues for forcasting.Five periods of the developmentof an epidemic of the stripe rust in this region are recognized:(1) the infectionand divelopment period of the rust on wheat seedlings in the autumn,(2) the over-wintering period,(3) the over-springing period,(4) the development period in thelate spring,and (5) the over-summering period.For each of the above stated peri-ods,the degrees of the stipe rust development are described and the main factorseffecting the development are analysed. 2. In the autumn,if field conditions were favorable for infection,the earlier ??the date of sowing,generally the heavier the wheat crops would be rusted.Therewere little or no stripe rust developed when the date of sowing wes later than thelast part of September although the condition might be varied appreciably withdifferent localities.Besides temperature,the period of high concentration of air-bornespores was the most important factor determining the disease severity in the earlysown wheat fields. 3. The stripe rust organism was capable of over-wintering in the form of dormant mycelium within infected leaves under the weather conditions of North Chinaplain.Heavy infection of wheat seedlings was the prerequisite of over-wintering,which was also influenced by micro-environmental conditions such as air temperat-ure,soil moisture and protection from wind.Air temperature was probably the mostessential factor. 4. The dry weather and the low moisture contents in the soil in the earlyspring were unfavorable to the development of the rust.Under these conditions,the over-wintering rust might be completely killed off or much lessened,while hig-her soil humidity usually favored the overspringing of the rust organism.Furtherdevelopment of the disease appeared to depend on the amount and frequency ofprecipitation.However,in flooded areas where the soil moisture was excessivelyhigh,epidemics might occur under dry weather. 5. The over-wintering inoculum was most important for local epidemics in spring,although long distance air-borne spore might also have some influence on the rustdevelopment in the later part of the wheat growing season. 6. Uredospores of stripe rust were not capable of over-summering on volunteerwheats in North China plain.Stripe rust collections from Elymus chinense andAgropyron spp.were capable to infect certain wheat varietes when inoculated arti-ficially,but under natural conditions these grasses appeared to play little part inthe aestivation of this rust in the vast wheat growing areas of North China.Theresults of spore-trapping indicated that Chang-Chia-Kow region and certain partsof inner Mongolia where spring wheats mature as late as the end of August weremost probably the reservoir of over-summering fungus which serve as the mainsource of autumnal infection. 7. Since there are great diversity of types of farming in North China,i.e.,(1)the dry land,(2) the well and river-irrigated land,(3) the low land and river-irrigated land of the mid-part of Shansi Province,and (4) the autumn floodedland,and as the environmental factors effecting the first four stages of stripe rustdevelopment were varied,consequently,the rust development in each type of landwas obviously different from others.The disease struck most severely in the wellor river-irrigated and the autumn-flooded lands. 8. Based on the foregoing results,the writers suggest that by means of timelyobservations and inspections on the stripe rust development during autumn and onthe amounts of the Survival after over-wintering and over-springing along with theweather forecasting data,it is possible to make fairly accurate forecast of the striperust epidemics in North China.

1.华北区小麦条銹病主要的流行区域是井水地、渠澆地及水涝地。2.在秋季田間环境对侵染有利的情况下,小麦播种愈早的發病愈重。播种期晚于一定期限(各地不同,一般是9月下旬)發病就很輕或根本不發病。除温度外,空中孢子在秋季集中时期是决定早播病重的最重要原因。3.条銹菌可在华北北部平原的一般气候条件下以菌絲越冬。越冬的条件有二:首先是麦苗發病严重;其次是小气象适合。后者包括温度、土壤湿度与遮蔽物的有無等,其中起主导作用的是温度。4.春季的土壤湿度愈高,对条锈菌的“越春”愈有利。锈菌越春以后的流行一般是决定于雨水的多寡。但土壤湿度过大时(水涝地),也可以不依賴雨水多寡而在小区域內流行。5.春季菌源是多元的,但本地越冬菌起决定性作用,外地吹来的孢子只在后期起輔助作用。地面發病的严重程度和时期与空中孢子發現日期及濃度成正相关。6.条锈菌不能在华北平原的自生麦上和用抱子形态越夏,禾本科杂草中碱草及綠鬚鵝冠草锈菌用人工接种,虽可以發生枯斑反应或长出少数条锈病斑,但在分类上与小麦条銹菌不同,在大面积上不起越夏桥梁作用。根据秋季空中孢子捕捉和地面調查結??果,北方張家口专区壩土及內蒙古平地泉行政区等晚熟春麦区作为小麦条銹菌越夏菌源...

1.华北区小麦条銹病主要的流行区域是井水地、渠澆地及水涝地。2.在秋季田間环境对侵染有利的情况下,小麦播种愈早的發病愈重。播种期晚于一定期限(各地不同,一般是9月下旬)發病就很輕或根本不發病。除温度外,空中孢子在秋季集中时期是决定早播病重的最重要原因。3.条銹菌可在华北北部平原的一般气候条件下以菌絲越冬。越冬的条件有二:首先是麦苗發病严重;其次是小气象适合。后者包括温度、土壤湿度与遮蔽物的有無等,其中起主导作用的是温度。4.春季的土壤湿度愈高,对条锈菌的“越春”愈有利。锈菌越春以后的流行一般是决定于雨水的多寡。但土壤湿度过大时(水涝地),也可以不依賴雨水多寡而在小区域內流行。5.春季菌源是多元的,但本地越冬菌起决定性作用,外地吹来的孢子只在后期起輔助作用。地面發病的严重程度和时期与空中孢子發現日期及濃度成正相关。6.条锈菌不能在华北平原的自生麦上和用抱子形态越夏,禾本科杂草中碱草及綠鬚鵝冠草锈菌用人工接种,虽可以發生枯斑反应或长出少数条锈病斑,但在分类上与小麦条銹菌不同,在大面积上不起越夏桥梁作用。根据秋季空中孢子捕捉和地面調查結??果,北方張家口专区壩土及內蒙古平地泉行政区等晚熟春麦区作为小麦条銹菌越夏菌源基地的可能性最大。7.預測預报应該着重地面的發病檢查,根据冬前秋苗上發生情况和越冬率及越春率等3次發病檢查再参考气象預报,可以真作为短期或較长期的預测預报。

 
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