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root rot
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  根腐病
     The resistance of soybean germplasm to Phytophthora root rot
     大豆种质对疫霉根腐病抗性特点研究
短句来源
     The leaf spot disease rate was 0.5 grade,the root rot disease rate was 1.2%,was significantly lower than the control variety.
     褐斑病病情为0.5级,根腐病罹病率为1.2%,明显低于对照品种。
短句来源
     Root Rot Resistance Effect of Sugarbeet Variety HM1631
     甜菜品种HM1631抗根腐病表现
短句来源
     The control efficacy on root rot of DangGui and HuangQi with B1 was up to 39.13%and 41.48% ,respectively; B2 was up to 41.30% and 48.16%,respectively.
     B1 对当归、黄芪根腐病的防治效果分别为39.13%、41.48%,B2 为41.30%和48.16%,B2 防治效果与化学农药无显著性差异;
短句来源
     Mechanism of Rhizobacteria BH_1 (Bacillus sp.) to Suppress Soybean Root Rot Disease Caused by Fusarium spp.
     芽孢杆菌BH_1防治大豆根腐病的效果及机制
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  根腐
     After treatment by NMW-5-3, SS-1-1 and HL-1-1, the incidence of root rot and leaf blight disease and wheat scab were significantly lower than control, which revealed good control effects.
     NMW-5-3、SS-1-1和HL-1-1处理后,小麦根腐叶枯病和小麦赤霉病的发病率明显低于对照,表现出较好的防治效果。
短句来源
     The resistance of soybean germplasm to Phytophthora root rot
     大豆种质对疫霉根腐病抗性特点研究
短句来源
     The leaf spot disease rate was 0.5 grade,the root rot disease rate was 1.2%,was significantly lower than the control variety.
     褐斑病病情为0.5级,根腐病罹病率为1.2%,明显低于对照品种。
短句来源
     Root Rot Resistance Effect of Sugarbeet Variety HM1631
     甜菜品种HM1631抗根腐病表现
短句来源
     The control efficacy on root rot of DangGui and HuangQi with B1 was up to 39.13%and 41.48% ,respectively; B2 was up to 41.30% and 48.16%,respectively.
     B1 对当归、黄芪根腐病的防治效果分别为39.13%、41.48%,B2 为41.30%和48.16%,B2 防治效果与化学农药无显著性差异;
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  根腐病菌
     Effect of 2,4-DA on Wheat Root Rot Fungus in Vitro
     2,4-D丁酯对离体条件下小麦根腐病菌(Bipolaris sorokinana)的影响
短句来源
     The Study on Seed Coating Inhibitting Pathogen of Soybean Root Rot (Fusarium oxysporum)
     种衣剂对大豆根腐病菌(Fusarium.oxysporum)抑制作用的研究
短句来源
     The results showed that chemical control seed coatingⅠhas obvious inhibitting effect on Pathogen of Soybean Root Rot, and is slight better than ND seed coating;
     结果表明:化控种衣剂Ⅰ对大豆根腐病菌具有明显的抑制作用,其效果略好于ND种衣剂;
短句来源
     Pathogen (Fusarium oxysporum) of soybean root rot impacting on biochemical and physiological indexes of soybean seedling
     大豆根腐病菌对大豆幼苗生理生化指标的影响
短句来源
     Biochemical control seed coatingⅡalso has the function of inhabitting pathogen of soybean root rot, but its inhibitting effect is not good.
     生物化控种衣剂Ⅱ对大豆根腐病菌具有抑制作用,但效果不佳。
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  “root rot”译为未确定词的双语例句
     Three strains (MM35,MM9,MM3) were showed with relatively better biocontrol efficacy: the reduction in root rot were 26.95%~66.34%、21.52%~(63.70%、)22.78%~51.05% respectively.
     共测试了80个木霉菌株,筛选出3个防治效果较好的木霉菌株MM35、MM9、MM3,相对防效分别为26.95%~66.34%、21.52%~63.70%、22.78%~51.05%。
短句来源
     Wei, stem rot caused by Tubercularia abutilonis Katsura, root rot caused by Fusarium solani (Mart.)
     Wei、灰星病(又称茎腐病)Tubercularia abutilonis Katsura、镰刀菌根腐病Fusarium solani(Mart.)
短句来源
     Drechsler sp.,Rhizoctonia Solani,and Alternaria tenuis Nees could also cause lawn root rot disease and their isolate frequency are 7 7%、3 8% and 7 7% respectively.
     德氏霉菌、立枯丝核菌、交链孢菌也可引起草坪草根腐病 ,分离频率分别占 7 7% ,3 8% ,7 7%。
短句来源
     A linear multiple regression model that predicts Infection levels of Armillaria Root Rot was derived:y=-4.3+5.4R2+12.4S4+7.8P1+6.7P2+29.0L2+31.1R2P1L2.The model could assist in management planning with regard to the predisposition of a particular stand to Armillaria infection。
     以此建立的多无线性回归模型为:=-4.3+5.4R2+12.4s4+7.8p1+6.7p2+29L2+31.1R2p1L2.根据这一模型可预测新西兰境内任一给定的条件下根朽病的可能侵染水平,以供造林设计和防治时参考。
短句来源
     The pathogenic fungus inducing Sclerotinia root rot of Fritillaria pallidiflora Schrenk.
     在陕西省太白县采集到伊贝母(Fritillaria pallidiflora Schrenk.)
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  root rot
An increase in the soil pool of Trichoderma harzianum as a result of application of a biological preparation based on this antagonistic fungus correlated with its effectiveness against the soil pathogen Fusarium sp., which causes root rot.
      
No correlation was found between the population density of the introduced bacteria and the degree of suppression of root rot or the structural crop yield parameters.
      
Effect of Helminthosporic Root Rot on the Lipid Content in Wheat Seedlings
      
It is concluded that an increase in the content of cellular lipids is a characteristic response of both shoots and roots to the root rot infection of wheat seedlings.
      
The Effect of Helminthosporic Root Rot on the Composition of Acyl Lipids of Wheat Seedlings
      
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A root rot disease of jute caused by Papulospora sp. hitherto not reported from this country was found to distribute in areas along both sides of Chientang River. During the years 1954 to 1959, 14.7 to 24.6 percents of the plants were attacked. The first symptom was the browning of roots and the basal part of stem. In the later stage of infection the conducting system of stem was also affected. The stem was broken and the plant withered in severe conditions. In late August, black sclerotial bodies...

A root rot disease of jute caused by Papulospora sp. hitherto not reported from this country was found to distribute in areas along both sides of Chientang River. During the years 1954 to 1959, 14.7 to 24.6 percents of the plants were attacked. The first symptom was the browning of roots and the basal part of stem. In the later stage of infection the conducting system of stem was also affected. The stem was broken and the plant withered in severe conditions. In late August, black sclerotial bodies appeared on the diseased portions.

1.黄麻根腐病为黄麻新的问题,目前了解的主要分布地区为浙江省沿钱塘江两岸的肖山、杭州市郊、原杭县等麻区。1954—1957年各地黄麻圆果种的平均发病率在14.7—24.6%以上。2.本病为害黄麻根及莖基等部分,使形成褐腐。病部不收缩,或微现收缩。后期病菌侵入输导组织,木质部形成黄褐色。8月下旬后,在病部出现大小约0.63×0.36毫米扁平不整形的黑色菌核,为本病的重要标志。3.本病以为害黄麻成株期为主。从6月下旬开始渐次出现病株,高峯期为8月下旬至9月下旬。在沙壤土中,地温(5厘米)平均在28—30℃,每旬降雨量在70毫米左右可以诱致严重发病。在一定温度下,雨量多少关系于发病程度极重要。4.经接种证实,本病为真菌Papulospora sp.所致,在病组织及普通培养基上不见分生孢子。生长发育以25—30℃为最适。矿物营养在缺碳时生长最差,缺氮时生长无大影响,迅速形成大量菌核;如加入蛋白腖,菌丝不复变色(白色),菌核不能形成。钾及磷对病菌生长发育的影响仅次于碳。5.含粘粒在10%以下的轻松土壤为最有利的发病环境。连作或轮作,对发病关系极为明显,多年连作地发病率较多年轮作或2—4年轮作地高7—53倍。6.笨麻主要...

1.黄麻根腐病为黄麻新的问题,目前了解的主要分布地区为浙江省沿钱塘江两岸的肖山、杭州市郊、原杭县等麻区。1954—1957年各地黄麻圆果种的平均发病率在14.7—24.6%以上。2.本病为害黄麻根及莖基等部分,使形成褐腐。病部不收缩,或微现收缩。后期病菌侵入输导组织,木质部形成黄褐色。8月下旬后,在病部出现大小约0.63×0.36毫米扁平不整形的黑色菌核,为本病的重要标志。3.本病以为害黄麻成株期为主。从6月下旬开始渐次出现病株,高峯期为8月下旬至9月下旬。在沙壤土中,地温(5厘米)平均在28—30℃,每旬降雨量在70毫米左右可以诱致严重发病。在一定温度下,雨量多少关系于发病程度极重要。4.经接种证实,本病为真菌Papulospora sp.所致,在病组织及普通培养基上不见分生孢子。生长发育以25—30℃为最适。矿物营养在缺碳时生长最差,缺氮时生长无大影响,迅速形成大量菌核;如加入蛋白腖,菌丝不复变色(白色),菌核不能形成。钾及磷对病菌生长发育的影响仅次于碳。5.含粘粒在10%以下的轻松土壤为最有利的发病环境。连作或轮作,对发病关系极为明显,多年连作地发病率较多年轮作或2—4年轮作地高7—53倍。6.笨麻主要是受不良环境影响的生理病态。在这种生长较衰弱的笨麻上最易遭病菌侵害而发生根腐病。所以笨麻中病株率极高,特别在病原菌大量积累的轮作地为甚。7.在接种或多年连作地上肥料施用不合理,可以导致发病而減产。油粕作为基肥有减轻发病的趋势,效果并不显著,但可视为对生物防治的一种启发。8.病组织中的菌核,在10及20厘米深度砂壤土,历时15个月以后,粘壤土11个月以后,即失去生活力;而放置土面的,在3年测定中仍具生活力。9.以人工接种法测定本病原菌对浙江省麻区主要作物寄主范围的结果,除黄麻圆果种为最主要寄主外,黄麻长果种、花生、苜蓿、洋棉、中棉、蚕豆等均可以不同程度的被感染。在自然情况下,黄麻长果种、花生、苜蓿等均可以被寄生而发病。10.严重病区或病地进行3年以上的轮作,深耕15厘米以上,同时清洁病地等措施都很必要,尤其在多肥(氮素30斤以上/亩,密植25,000株以上/亩)时更为重要。严重病地苜蓿必须在地温15℃以下即耕入土壤。

The symptom of the root rot of Korean pine is that, in the earlier stage the crown becomes yellow-green, thinned, and the needles slenderized, and later on, the whole crown turns blight yellow,the stump appears resin flow, swollen and rot. The root collar and root of trees produce fan-shaped, veined,white mycelial felts between bark aud wood. There are a lot of rhizomorphs inside and outside the root. The sapwood becomes spongy rot,when the trees are severely injured. From...

The symptom of the root rot of Korean pine is that, in the earlier stage the crown becomes yellow-green, thinned, and the needles slenderized, and later on, the whole crown turns blight yellow,the stump appears resin flow, swollen and rot. The root collar and root of trees produce fan-shaped, veined,white mycelial felts between bark aud wood. There are a lot of rhizomorphs inside and outside the root. The sapwood becomes spongy rot,when the trees are severely injured. From August to October the sporephores occur on stump, snag and seriously infect trees. The development oF disease on the south-western slopes is more serious than on the north-eastern, and so it is on the middle and the lower part of the mountain than on the upper part, too. Trees on low niches and moist land are subjected to the disease severely.Pathogenic fungi are obtained from the isolated culture of the sick root. Its colony and funiculus grow well on wort agar medium. At the end, the sporecarps occur in the bottle. Sporecarps are produced in abundance on the westage-wheat skin-urea medium. They seem honey yellow, caespitose and annulate. There are brown scales on the cap. Their spore print is white with light yellow, the gills a-e adnoto-decurrent,spore 6.5-9.9×4.3-6.8 micron, this pathogenic fungus is identified as shoestring fungus [Armillariella mellea (Vahl. et Fr.) Katrst]. The basidiospore from carpophore can infect Stub and weak wounded trees.The rhizomorphs grow actively and extend in the soil, and infect healthy plants.The bavistin has the better fungistatic action in the experiment of chemotherapy. The bavistin mixed with humuic acid-ammoniate, and lime,zineb,thiophanate and dry limes-sulphur give certain result.

红松根朽病的症状是初期冠希、色淡、针叶变细,后期全冠枯黄、干基肿大、流脂、溃烂,形成层有白色扇形菌膜,根部内外有大量菌素。树木严重受害时木质部边材呈海绵状腐朽。在伐根、枯死木及重病衰弱木上,8~10月可产生子实体。病害的发生阳坡重于阴坡,山中、下腹重于上腹。低凹潮湿的林地病重。由病根分离培养获得病原菌,其菌落、菌索在麦芽培养基上生长良好,后期在三角瓶内产生典型子实体,在木屑麦麸脲素培养基上产生大量子实体。子实体蜜黄色、丛生、具菌环,菌盖上有褐色鳞片,孢子印黄白色,菌褶贴生、延生,孢子6.5~9.6×4.3~6.8微米,经鉴定为蜜环菌[Armilla-riella mellea(Vahl.ex Fr.)Karst.]子实体上产生的担孢子侵染伐根和带伤的衰弱木,菌索在地下伸延侵染健康植株。药剂防治试验,多菌灵抑菌效果较好,多菌灵加腐植酸铵、熟石灰、代森锌、托布津、熟石灰加硫黄粉也有一定效果。

The Circular spotted root rot is a new serious disease in North China,Snch as Shaanxi and other provinces,The host range of this disease is very wide,it consists of apple,pear,peach,grape,persi- mmOn,locust,willow,poplar,Adamsneedle yucca(Yucca filamentosa L.)etc. The disease filammtous attacks rootlets at first,and then extents to fresh and woody roots gradually,The development of reddishbrown and slight hollow circular spot is characteristic symptom of this disease.Up the ground,four kinds of the...

The Circular spotted root rot is a new serious disease in North China,Snch as Shaanxi and other provinces,The host range of this disease is very wide,it consists of apple,pear,peach,grape,persi- mmOn,locust,willow,poplar,Adamsneedle yucca(Yucca filamentosa L.)etc. The disease filammtous attacks rootlets at first,and then extents to fresh and woody roots gradually,The development of reddishbrown and slight hollow circular spot is characteristic symptom of this disease.Up the ground,four kinds of the symptoms are wilt,suddenly desication of leave and remained green colour,scorch of leaf edge and dead of branches. By meansof a series isolation,inoculation,re-isolation tests and ide- ntification of the pathogens,indicating the disease is coused by Fusarium oxysporum Schl.,F.solani(Mart.) sacc.and F.camptoceras wollenw et Rcinke,under the situation that root system is weaken. Miniature control tests and large scale control demonstrations reveal raising the vigor of trees by applied manure and irrigation, treating the diseased roots with fungicides,such as PCNB,copper sulpu ate,lime snlfur could control the disease satisfactorily.

苹果园斑根腐病是我国北部某些果区新发生的一种为害严重的病害。此病的寄主范围包括苹果、梨、桃、葡萄、柿、刺槐、柳树、杨树以及丝兰等多种木本植物。根部发病后,须根首先变褐死亡,然后逐渐延及其上部的肉质根和六根。在病部形成红褐色、略微凹陷的园形斑点是病害所特有的症状表现,可用作诊断的标志。至于地上部分呈现的症状类型则包括萎蔫、青干、叶缘焦枯以及枝枯四种。通过一系列的分离、接种、再分离试验以及病原菌的鉴定,现已确定园斑根腐病是在根系衰弱的条件下,由 Fusarium oxysporum Schl.、F.solani(Mart.)Sacc.及 F.camptoceras Wollenw.et Reinke 三种镰刀菌寄生引起的。小型防治试验及大面积防治示范的结果表明,以施肥、灌药为中心的综合防治措施具有良好的防治及增产效果。药剂处理中以75%五氯硝基苯可湿性粉剂800倍液、硫酸铜500倍液以及波美0.5—1.0度石硫合剂为佳。

 
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