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verticillium wilt
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  黄萎病
     Resistance to Verticillium wilt of 8 parents and their F1s、 F2s in upland cotton were analyzed by the genetic models of ADM, ADAA and AD and MINQUE(1) approaches.
     本研究采用 MINQUE( 1)的统计方法 ,用 ADM模型、ADAA模型、AD模型 [1] ,估算陆地棉8个杂交亲本和 F1、F2 代各 2 8个组合的黄萎病抗性遗传效应。
短句来源
     Eight materials (13.56%) were resistant to Verticillium wilt, 43 (72.88%) were tolerant, 8 (13.56%) were susceptible.
     43份材料耐黄萎病,占72.88%; 8份材料感黄萎病,占13.56%。
短句来源
     "C022" was sensitive to Verticillium wilt, while tolerant to Fusarium wilt.
     "C022"耐枯萎病、感黄萎病
短句来源
     In pot experiments, 9 Trichoderma isolates tested showed 39.71%-82.35% reduction of cotton Rhizoctonia damping-off,14 strains showed 37.5%-75.00% of reduction of Fusarium wilt, and nine stains 30.49%-65.85% reduction of Verticillium wilt.
     在盆栽条件下,9个木霉菌株对棉花丝核菌立枯病的防治效果为39.71%-82.35%,14个菌株对棉花枯萎病的防治效果为37.5%-75.00%,9个菌株对棉花黄萎病的防治效果为30.49%-65.85%。
短句来源
     The futher test in the diseased field revealed that 4 cultivars of inclusion R 1, R 2, R 3 and R 4, showed high resistance to Verticillium wilt.
     抗性表现较好的 4个抗黄萎病种质材料为R1、R2 、R3 和R4。
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  黄萎病
     Resistance to Verticillium wilt of 8 parents and their F1s、 F2s in upland cotton were analyzed by the genetic models of ADM, ADAA and AD and MINQUE(1) approaches.
     本研究采用 MINQUE( 1)的统计方法 ,用 ADM模型、ADAA模型、AD模型 [1] ,估算陆地棉8个杂交亲本和 F1、F2 代各 2 8个组合的黄萎病抗性遗传效应。
短句来源
     Eight materials (13.56%) were resistant to Verticillium wilt, 43 (72.88%) were tolerant, 8 (13.56%) were susceptible.
     43份材料耐黄萎病,占72.88%; 8份材料感黄萎病,占13.56%。
短句来源
     "C022" was sensitive to Verticillium wilt, while tolerant to Fusarium wilt.
     "C022"耐枯萎病、感黄萎病
短句来源
     In pot experiments, 9 Trichoderma isolates tested showed 39.71%-82.35% reduction of cotton Rhizoctonia damping-off,14 strains showed 37.5%-75.00% of reduction of Fusarium wilt, and nine stains 30.49%-65.85% reduction of Verticillium wilt.
     在盆栽条件下,9个木霉菌株对棉花丝核菌立枯病的防治效果为39.71%-82.35%,14个菌株对棉花枯萎病的防治效果为37.5%-75.00%,9个菌株对棉花黄萎病的防治效果为30.49%-65.85%。
短句来源
     The futher test in the diseased field revealed that 4 cultivars of inclusion R 1, R 2, R 3 and R 4, showed high resistance to Verticillium wilt.
     抗性表现较好的 4个抗黄萎病种质材料为R1、R2 、R3 和R4。
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  棉黄萎病
     The control effects in the field trails were 38.2%~53.5%, and 13.6%~36.0%, respectively during the first and second summit of Verticillium wilt disease. 
     田间小区防效试验表明,3个木霉菌株对棉黄萎病第一次发病高峰和第二次发病高峰的防治效果达到38.2%~53.5%和13.6%~36.0%。
短句来源
     Analysis on the Inheritance of Resistance to Verticillium Wilt in Upland Cotton
     陆地棉黄萎病抗性的遗传分析
短句来源
     A disease-resistant breeding program with early identification was established. The cotton resistant germplasm Chuan52-128 and Chuan57-681, with high resistance to Fusariurn wilt, and Chuan737 and Chuan2802, with resistance to multi - biotype of Verticillium wilt, were bred and released. The cultivars Chuanmian239 and Chuanmian243, with multi - resistance to both Fusariurn wilt and Verticillium wilt, have been past the national cultivar registration.
     建立了一套早期抗性鉴定技术,培育出高抗棉枯萎病抗源川52-128和川57-681、抗棉黄萎病多菌系抗源川737和川2802,育成的双抗品种川棉239、川棉243均获国家品种审定。
     Genetic studies of the verticillium wilt resistance among 4 different type of Sea Island cottons were conducted, using 32 cross combinations between these varieties and 8 Upland cottons seedlings were inoculated with 4 different virulent isolates of Verticillium dahliae and laid under the condition of growth chamber with the temperature regimes of 25~26℃ day and 20~22℃ night.
     以国内外 4个来源不同的海岛棉品种与我国育成的 8个陆地棉品种组配的 32个不同类型的杂交组合为材料 ,在人工生长室条件下 ,用 4个不同致病力类型黄萎病菌系于棉花苗期接种 ,进行了海岛棉黄萎病抗性的鉴定和遗传研究。
短句来源
     Advance in Occurrence and Researches on Cotton Verticillium Wilt
     棉黄萎病发生和研究进展
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  “ verticillium wilt”译为未确定词的双语例句
     Of them,Chuan99-1890,02-9,02-140,00-160,Chuan99-1892,01-243, 2K-Y2 and SG-39 were resistant to both Fusarium wilt and Verticillium wilt.
     其中,抗枯、抗黄的双抗品种有川99-1890,02-9,02-140,00-160,川99-1892,01-243,2K-Y2和SG-39共8个。
短句来源
     Construction and Characterization of BAC Libraries of Pima90-53 with High Verticillium Wilt Resistance and Good Fiber Quality and Suyuan7235 with High Fiber Strength
     抗病、优质海岛棉品种Pima90-53和高强纤维品种苏远7235 BAC文库构建与分析
     The fragment PR8 related with Verticillium wilt resistance was used as a probe to screen Bacterial Artificial Chromosome (BAC) library of a Sea Island cotton, Pima90-53 Four positive BAC clones, 127K13, 128D14, 169J3 and 178C5, were detected from 30,336 BAC clones.
     从30,336个BAC克隆中筛选到含有PR8基因片段的4个阳性克隆,分别为127K13、128D14、169J3和178C5。
短句来源
     79.70% , 69.3%~81.6% and 66.20%~81.76% . The effect of prevention cotton verticillium wilt was above 64% when cotton seeds had been sowed 90 days.
     对番茄病毒病防治效果为69.3%~81.6%、番茄晚疫病防效为66.20%~81.76%;
短句来源
     KK-351,KK-1543 and Hsuchow 209. 5.Comparison of 3 methods for testing the resistance of different varieties to Verticillium wilt were made.
     陆地棉 KK-351、KK1543和徐州209抗萎力较弱。
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  verticillium wilt
In this study, we adopted the suppression subtractive hybridization (SSH) technique to isolate differentially expressed ESTs from Gossypium barbadense variety 7124 during the Verticillium wilt defense process.
      
Genetic analysis of Verticillium wilt tolerance in cotton using pedigree data from three crosses
      
Three crosses and descendant generations were used in a field study of the inheritance of tolerance to Verticillium wilt, caused by Verticillium dahliae Kleb., in upland cotton (Gossypium hirsutum L.).
      
Heritabilities for tolerance to Verticillium wilt, determined from regressions of F3 progeny on F2 parents for the crosses of SJC-1 X S5971 and SJC-1 X DPL70, ranged from 0.12 to 0.28.
      
In vitro shoots taken from the ten hybrid plants exhibited resistance to a verticillium wilt extract.
      
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The disease of Verticillium wilt commonly occurs in the cotton growing area of Liaoning province in recent years.Through a series of morphological and physiological studies,the fungus is identified as Verticillium albo—atrum R.et B. The fungus has a better growth on the modified Czapeks' agar medium as well as on the potato—sugar agar medium.After 4 to 5 days,the fungus shows an abundant growth of mycelia,conidia and microsclerotia on the mentioned media. The temperature for the growth of the fungus...

The disease of Verticillium wilt commonly occurs in the cotton growing area of Liaoning province in recent years.Through a series of morphological and physiological studies,the fungus is identified as Verticillium albo—atrum R.et B. The fungus has a better growth on the modified Czapeks' agar medium as well as on the potato—sugar agar medium.After 4 to 5 days,the fungus shows an abundant growth of mycelia,conidia and microsclerotia on the mentioned media. The temperature for the growth of the fungus lies between 17°to 28℃,the optimum being 25℃.The optimum temperature for the germination of coinidia is from 15°to 20℃.The conidia of the fungus have a high germination percentage on the one percent dextrose solution.However,they also germinate well on sterilized water;and hence,it seems to indicate that the requirement of nutrients for the germination of conidia is not strict. From the results of wound inoculation with spore suspension,it is indicated thet the conidia are able to infect the roots and stems of the plants in the seedling, flowering and belling stages.However,a higher percentage of infection can be obtained from the flowering to belling stage in 8 to 16 days.

1.棉黄萎病病原菌,经鉴定后,采用 Verticillium albo-atrum Reinke et Berthold学名。2.最适本病原菌生育的培养基,以改良 Czepek's 组合和马铃薯培养基为最好,在这两种培养基上菌丝生长旺盛,经过4—5天后都能生很多分生孢子,并渐生成小菌核。3.本病原菌的发育温度以17°—28℃较好、其中尤以25℃最好。孢子发芽温度以15°—20℃篇最好、在1%葡萄糖液中发芽最好。但在灭菌水中发芽亦好,对营养的要求并不太高。4.本病原菌自苗期(具四真药)开始直至后期,皆能侵入棉株内部,其中尤以用孢子悬浮液于棉根附近接种的办法,得知在开花期至结铃期皆能显现较高的发病率、根据实验记载,在棉花生育期中,接种后一般8—16天左右即能现出病征,此比前人记载期限较早。

When actinomycetes antagonist is cultured in the cotton seed cake and usedas a fertilizer for cotton,a stimulating effect on growth of the plant and a decr-ease of percentage of Verticillium wilt has been observed.The isolates of Actino-mycetes which have shown the best results are G_4 and 5406.Throughout thegrowing period,three applications of the antagonist carried fertilizer show a decr-ease of 31-50% disease and an increase of 14-40% yield.The three applicationsof the antagonist carried fertilizer...

When actinomycetes antagonist is cultured in the cotton seed cake and usedas a fertilizer for cotton,a stimulating effect on growth of the plant and a decr-ease of percentage of Verticillium wilt has been observed.The isolates of Actino-mycetes which have shown the best results are G_4 and 5406.Throughout thegrowing period,three applications of the antagonist carried fertilizer show a decr-ease of 31-50% disease and an increase of 14-40% yield.The three applicationsof the antagonist carried fertilizer seem to be better than that of two applications.However,the yield increase due to the fourth application can hardly cover the costof labour and material. According to the results of a burried-slide test for inspecting the dynamics ofthe antagonist in certain depths of soil,it is found that the actinomycetous isolatesG_4 and 5406 survive a comparativly longer period at a soil depth of 2.5-10 cm.,buttheir amount per unit volume of soil is gradually reduced with time.The anta-gonists are most abundantly distributed at a depth of 5-7.5 cm.It is suggestedthat three applications of the antagonist carried fertilizer may be practical in con-trolling the Verticillium wilt of cotton.

1.1954—1956年在辽陽和北京两地的田間試驗証明:施用“加用抗生菌的肥料”后,不仅能增加棉花的出苗、刺激棉株的生育,并且对黃萎病有显著的防治作用,增产的效果很明显。2.从不同菌种的效能来看,都有防病增产的作用。其中的G_4和5406号抗生菌(均屬放綫菌)的效果最好。进行三次分施时,可减輕發病率31—50%,增加产量14—40%。402号抗生菌种有引起花蕾脫落的恶果;3号及13号虽有显著的防病作用,但增产效能不如G_4。3.不同的抗生菌种混合施用时,沒有表現出增强的作用。4.抗生菌肥料施用的次数,以愈多愈好。在播种前十天作为基肥一次施入者,防病的作用最差,增产作用也不显著。两次分施的,必須在播种时沟施小部份,而将大部份在显蕾期中施入;三次分施的,一般較二次分施的效果高。基肥时不施,单在定苗、显蕾、开花期分施的,对黃萎病的防除效果較大,而对增产作用較小。分四次施肥,所須人工太多,防病、增产的效果并不比三次分施的显著提高。5.根据“埋片法”檢查施入的抗生菌在棉田中消长情况的結果,証明C_4号及5406号放綫菌施入棉田后,在2.5—10厘米深处能維持很长的时間,但其菌量随时間延长而逐漸减少。单施棉籽餅的,在2....

1.1954—1956年在辽陽和北京两地的田間試驗証明:施用“加用抗生菌的肥料”后,不仅能增加棉花的出苗、刺激棉株的生育,并且对黃萎病有显著的防治作用,增产的效果很明显。2.从不同菌种的效能来看,都有防病增产的作用。其中的G_4和5406号抗生菌(均屬放綫菌)的效果最好。进行三次分施时,可减輕發病率31—50%,增加产量14—40%。402号抗生菌种有引起花蕾脫落的恶果;3号及13号虽有显著的防病作用,但增产效能不如G_4。3.不同的抗生菌种混合施用时,沒有表現出增强的作用。4.抗生菌肥料施用的次数,以愈多愈好。在播种前十天作为基肥一次施入者,防病的作用最差,增产作用也不显著。两次分施的,必須在播种时沟施小部份,而将大部份在显蕾期中施入;三次分施的,一般較二次分施的效果高。基肥时不施,单在定苗、显蕾、开花期分施的,对黃萎病的防除效果較大,而对增产作用較小。分四次施肥,所須人工太多,防病、增产的效果并不比三次分施的显著提高。5.根据“埋片法”檢查施入的抗生菌在棉田中消长情况的結果,証明C_4号及5406号放綫菌施入棉田后,在2.5—10厘米深处能維持很长的时間,但其菌量随时間延长而逐漸减少。单施棉籽餅的,在2.5—5厘米深处,也能产生大量的放綫菌,有时較对照(只施化学肥料的)增加2倍,接近于抗生菌肥料中所含的放綫菌数。

The present paper deals with some experiments attempting to suggest an easier and morereliable method of isolation and identification of the Verticillium wilt organism especially forthe purpose of seeds and soil inspection.The results obtained are as follows:1.The cotton seed cake meal agar (cotton seed cake meal 10 g.,95% alcohol 17 ml.,Strep-tomycin 100 p.p.m,agar-agar 7.5 g.and water ad.1000 ml.) gave the best results,which wasremarkably superior to the Nadakavakaren's alcohol agar and other media.By...

The present paper deals with some experiments attempting to suggest an easier and morereliable method of isolation and identification of the Verticillium wilt organism especially forthe purpose of seeds and soil inspection.The results obtained are as follows:1.The cotton seed cake meal agar (cotton seed cake meal 10 g.,95% alcohol 17 ml.,Strep-tomycin 100 p.p.m,agar-agar 7.5 g.and water ad.1000 ml.) gave the best results,which wasremarkably superior to the Nadakavakaren's alcohol agar and other media.By using the statedmedium,even a“degenerated strain”which has lost its ability of microsclerotia formation forseveral years again formed large amount of microsclerotia immediately.2.In isolations of the seed-borne Verticillium from the fuzzed cotton seed collected fromthe diseased plants of different localities,microsclerotial colonies were found macroscopically inthe above mentioned medium.After purification,the typical verticilliate conidiophores wereobserved.Typical symptoms on the cotton seedlings which were inoculated with the purifiedculture resulted.According to the number of the microsclerotial colonies formed,the per-centage of infected seeds was estimated to be about 5%.It was also found that both welldeveloped and under developed seeds of the same origin were equally infected by Verticillium.No microsclerotia formation was observed on seeds collected from the field free from Verticilliumin Peking by means of the same method.3.Soil collected from the infested field was also studied with the above mentioned medium.In each plate,4-7 tufts of microsclerotia were formed while in other media microsclerotia werescarcely produced.4.It is suggested that this method of isolation and identification of the seeds,as well asscil-borne Verticillium wilt organism is a more practical and reliable one.

根据黄萎病菌在培养基上能形成微菌核的特性,寻找适于种子与土壤中黄萎病菌微菌核形成的培养基和相应的检查种籽和土壤带菌的方法。1.试验结果表明,棉籽饼粉酒精洋菜培养基(棉籽饼粉10克、95%酒精17毫升、键霉素100p.p.m.、洋菜7.5克、水1000毫升制成)对病菌形成微菌核的效果比 Nadakavakaren 介绍的培养基显著优越。即使对“退化”病菌,亦能促其迅速恢复形成大量微菌核的能力。2.应用上述棉籽饼粉酒精洋菜培养基对从辽阳、临汾和安阳各地黄萎病株上采收的种子进行分离,可得到肉眼可见的微菌核丛,而且具有典型的轮生分生孢子梗,纯化的病菌接种棉苗也表现典型症状。直接证明了这些棉籽确实带有黄萎病菌。用无病田采收的种子进行分离,无微菌核丛形成。3.用上述培养基进行土壤黄萎病菌的分离,也获得比其他培养基显著优越的结果,每皿可出现4—7个微菌核丛。其他培养基仅出现少量甚至完全不形成微菌核。4.上述种子和土壤黄萎病菌分离和检查方法,可试用于种子和土壤带菌的检查及有关种子和土壤消毒效果等的研究。

 
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