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棉铃
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  cotton boll
     Effect of Production Methods on the Cotton Boll Development of 3∶2 Model with Middle Spring Cotton Variety
     栽培方法对3∶2式麦套中熟春棉棉铃发育的影响
短句来源
     Oospores of Phytophthora boehmeriae causing cotton boll rot diseasewere buried in soil for about 160 days to overwinter 16%-47% oosporeswere survival.
     棉铃疫病菌(Phytophthora boehmeriae Sawada)卵孢子经土壤埋存160天左右越冬,至少有16%~47%的卵孢子仍存活。
短句来源
     Effect of Varieties on the Cotton Boll Development of the Seedling Transplanting Cotton with 3∶1 Cotton Wheat Double Cropping Model
     品种对3∶1式移栽棉棉铃发育的影响
短句来源
     2. Studies on space-distribution of economic characters on cotton (Xinhai 21) show:The differences of cotton boll position in the same plant result in differences in economiccharacters.
     2.以海岛棉品系 96-107(2003 年 2 月审定,定名为新海 21 号)为试验材料,研究得出:棉铃主要经济性状空间分布结果表明,棉铃在植株上的着生位置不同,其相应的经济性状也存在同株差异。
短句来源
     As it fed on corn ear,cotton boll and cotton stem, its whole generation survivals were highest, medium and lowest, its R0s were 45. 62,27. 91 and 0. 48,and its rms were 0. 0962,0. 0846 and -0. 0143,respectively .
     取食玉米雌穗的种群世代存活率最高,棉铃次之,棉茎最低。 以玉米雌穗、棉铃、棉茎为食料的世代净生殖率依次为45.62、27.91和0.48;
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  boll
     Effect of Production Methods on the Cotton Boll Development of 3∶2 Model with Middle Spring Cotton Variety
     栽培方法对3∶2式麦套中熟春棉棉铃发育的影响
短句来源
     Field experiment was conducted to study the effect on shed leaves and boll open percentage on climatic factors and 50% thidiazuron WP spraying in 35%-40% boll open stage of cotton.
     在棉铃吐絮35%~40%时喷施50%噻苯隆可湿性粉剂,研究其对棉花脱叶和吐絮效果的影响,并对气候因素的影响进行了分析。
短句来源
     The space distribution model of boll weight,staple and firber strength was yij=b0+b1xi+b11xi2+b2xj.
     =b_0+b_1x_i+b_(11)x_i~2+b_2x_j,棉铃增长的时间分市模型为(?) =K/(1+aexp(-bT),铃重、衣分的时间模型为(?)
短句来源
     Oospores of Phytophthora boehmeriae causing cotton boll rot diseasewere buried in soil for about 160 days to overwinter 16%-47% oosporeswere survival.
     棉铃疫病菌(Phytophthora boehmeriae Sawada)卵孢子经土壤埋存160天左右越冬,至少有16%~47%的卵孢子仍存活。
短句来源
     The soluble protein percentage was lowest in the boll shell and it was highest in the seed of the middle node.
     铃壳内可溶性蛋白质含量以中部果枝铃最低,但是中部棉籽内可溶性蛋白质含量均高于上部和下部棉铃
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  cotton bolls
     The trend index of population (I) was 42.28, 25.77 and 0.64 when the larvae fed on the corn ears, cotton bolls and stems, respectively.
     以玉米雌穗、棉铃与棉茎为食料的种群趋势指数依次为42.28、25.77和0.64。
短句来源
     It is better that the vloume is 40-50cm 3 and the lint weight is bigger than 6g for cotton bolls.
     比较理想的棉铃体积为 40~ 50cm3、铃重为 6g以上
短句来源
     Some differences of pathogenicity of different cotton isolotes were observed on cotton seedlings, but not on cotton bolls.
     来自棉花上的不同苎麻疫霉菌株对棉苗的致病力存在一定的差异,但对棉铃的致病力差异不明显。
短句来源
     Study on the Developmental Mechanism of Cotton Bolls (Gossypiumhirsutum L.)and the Influencing Factors
     陆地棉棉铃发育机理及影响因素的研究
短句来源
     About of 1400 cotton bolls were transformed by pollen tube-path way, 638 of grown bolls were obtained and the frequence of grown bolls is 45.57%.
     花粉管通道法共转化棉铃1400个,最后成铃638个,结铃率为45.57%。
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  “棉铃”译为未确定词的双语例句
     The result of clusteringand comparing is 8-13>2-7>14-18 in space distribution.
     棉铃经济性状空间分布的聚类及比较的结果是,8-13 节>2-7 节>14-18 节。
短句来源
     Similarly, another equation can be attained according to the disease percentage of Verticillium wilts:P = (-283.55x2+357.35x-90.672)otc (0.3215 0.9611) 188 A' 'Where, 'P' means infested capability too, 'x' means disease percentage of Verticillium wilts.
     P=1/188integral from x1 to x2(-283.55x2+357.35x-90.672)dx (0.3215≤x≤0.9611)P也代表侵染能力,x代表黄萎病发病率,P值与群体的抵抗力成反比。 2.陆地棉铃病抗性的遗传分析
短句来源
     There are many diseases which endanger the growth of cotton, mainly, among them,cotton verticillium wilt and Fusarium Wilt are particulary serious.
     目前世界上危害棉花生产的病害主要有棉花立枯病、炭疽病、棉铃疫霉病、棉叶斑病、棉花枯萎病及棉花黄萎病等,其中以棉花枯萎病、黄萎病尤为严重。
短句来源
     The larvae of a mass of egg can gamage 7.46 squares, 7.12 growing points, 3.32 bolls and 3.32 main stems on the 2nd generation and 9.97 bolls, 2.44 groqing points and 1.26 main stems of cotton on the 3rd generation according to the liferate of different instar.
     通过各龄幼虫存活情况,估算出1块卵孵出的幼虫二代可为害棉花蕾7.46个、嫩头7.12个、棉桃3.32个、钻蛀茎杆3.32次,三代破坏棉铃9.97个、嫩头2.44个、茎杆1.26次。
短句来源
     Bolling Regularity of Transgenic Insect resistant Cotton Lines “Sukang 102” and “Sukang 310”
     转基因抗虫棉“苏抗102”和“苏抗310”棉铃形成规律
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  cotton boll
Cholesterol oxidase: an o?static and larvicidal agent active against the cotton boll weevil,Anthonomus grandis
      
Amongst these insects, various bollworms and cotton boll weevil cause economic damage every year.
      
A selection response plateau for radiation resistance in the cotton boll weevil
      
Twenty generations of family selection in the cotton boll weevil for 14-day postirradiation survival to 10,000 rads of gamma irradiation has increased survival to nearly 90% as compared with about 35% in the unselected control population.
      
Selection for mating propensity in irradiated populations of the cotton boll weevil
      
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  boll
By means of dropping GA3(50 ppm) and NAA (40 ppm) on the hybrid boll-embryo culturein vitro, one F1 plant ofG.
      
Doktorandenkolloquium ?Ethik in der Medizin" der Akademie für Ethik in der Medizin e.V., Bad Boll (22.-24.05.02)
      
In contrast to the peak flowering period, the physiological activities and insecticidal protein expression at the peak boll-setting period were more susceptible to heat and cold stress.
      
Factors contributing to resistance and susceptibility of cotton and other hosts to the boll weevil, Anthonomus grandis
      
A large portion of the world's germ plasm of cotton has been screened at the USDA Boll Weevil Research Laboratory, State College, Mississippi during the period 1962-68 utilizing developed techniques.
      
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  cotton bolls
Diseased cotton bolls have been found to containA.
      
Aflatoxin assays were conducted on seeds from cotton bolls inoculated withAspergillus flavus in commercial fields in Arizona.
      
Inhibition of aflatoxin production inAspergillus flavus infected cotton bolls after treatment with neem (Azadirachta indica) lea
      
flavus spore suspension were injected 48 hr later onto the surfaces of locks of developing cotton bolls (30-day post anthesis).
      
Hemagglutinins extracted from locks of unopened cotton bolls
      
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Various types of cotton boll rot prevailing in the cotton growing area of Yangtze valley,have been recorded,in order of decreasing importance,as follows:Anthracnose (Glomerellagossypii),Fusarium boll rot,Angular leaf spot Choanephora boll rot (Choanephora cucurbitaindicum,Diplodia boll rot (Diplodia gossypina),Choanephora boll rot (Choanephora cucurbit--rum),Cephalothecium roseum,Aspergillus spp.,Penicillium spp.,Nigrospora sp.,Pestalozziasp.,Helminthosporium sp.,Alternaria spp.,Rhizopus sp.,Phyllosticta sp.,Phytophthora...

Various types of cotton boll rot prevailing in the cotton growing area of Yangtze valley,have been recorded,in order of decreasing importance,as follows:Anthracnose (Glomerellagossypii),Fusarium boll rot,Angular leaf spot Choanephora boll rot (Choanephora cucurbitaindicum,Diplodia boll rot (Diplodia gossypina),Choanephora boll rot (Choanephora cucurbit--rum),Cephalothecium roseum,Aspergillus spp.,Penicillium spp.,Nigrospora sp.,Pestalozziasp.,Helminthosporium sp.,Alternaria spp.,Rhizopus sp.,Phyllosticta sp.,Phytophthora sp.andCeratostoma sp.The outbreak of Anthracnose boll rot was closely related to the amount ofrainfall in August and September.Field inoculation tests demonstrated that the pathogene wasable to invade the intact boll directly,provided that it was kept under humid condition for4 days at 25-30℃.Infection took place favorably on the bolls which were mechanically woundedor injured by insects or infected by Xanthomonas malvacearum.The green bolls within 10 daysafter flowering were more resistant to attack than mature ones,because crevics on the latterprovided a suitable condition for infection,especially under the warm and wet weather.Loss from the boll rot could be reduced by cultural practices,including proper distance ofplanting,reasonable application of nitrogen fertilizer,clipping and defoliation.

长江流域棉区常见的烂铃病菌有:炭疽病菌(Glomerella gossppii)、角斑病菌(Xanthomonas malvacearum)、花腐病菌(Choanephora cucurbitarum)、黑果病菌(Diplodia gossypina)、印度炭疽病菌(Colletotrichum indicum)、面包霉菌(Rhizopus nigricans)、红粉病菌(Cephalothecium roseum)、红腐病菌(Fusarium spp.)、疫菌(Phytophthora sp.)、轮纹斑病菌(Alternaria spp.)、褐斑病菌(Phyllosticta spp.)、青霉菌(Penicillium spp.)、黑子菌(Nigrospora sp.)、斑纹病菌(Pestalozzia sp.)、(?)腐病菌(Aspergillus spp.)、蠕子菌(Helminthos-porium cuverlaria)、黑斑病菌(Ceratostoma sp.)、汚叶病菌(Cladosporium sp.)等18种,某些年分以炭疽、角斑、红腐等为最主要。1950—51年田间观察结果表明,棉花生长期...

长江流域棉区常见的烂铃病菌有:炭疽病菌(Glomerella gossppii)、角斑病菌(Xanthomonas malvacearum)、花腐病菌(Choanephora cucurbitarum)、黑果病菌(Diplodia gossypina)、印度炭疽病菌(Colletotrichum indicum)、面包霉菌(Rhizopus nigricans)、红粉病菌(Cephalothecium roseum)、红腐病菌(Fusarium spp.)、疫菌(Phytophthora sp.)、轮纹斑病菌(Alternaria spp.)、褐斑病菌(Phyllosticta spp.)、青霉菌(Penicillium spp.)、黑子菌(Nigrospora sp.)、斑纹病菌(Pestalozzia sp.)、(?)腐病菌(Aspergillus spp.)、蠕子菌(Helminthos-porium cuverlaria)、黑斑病菌(Ceratostoma sp.)、汚叶病菌(Cladosporium sp.)等18种,某些年分以炭疽、角斑、红腐等为最主要。1950—51年田间观察结果表明,棉花生长期8、9二个月久雨多湿是引起炭疽病及其他烂铃发生的重要因子。田间接种试验证明:气温平均在25—30℃以及长期保湿,炭疽病菌能直接侵害棉铃。机械损伤、虫孔、角斑病等都是病菌侵害的有利条件。以生长10天的幼铃抗力最强。接近吐絮时的自然裂口,在高湿多雨时,也可成为各种菌类侵害的重要途径。适当密植,合理施用氮肥,进行整枝摘叶,使株行间通风透光,减低湿度,对减轻烂铃损失有一定的作用。

It is known that treatment with boron may to a certain extent reduce the percentage of boll shedding in cotton plant. It is also known that boron plays a special role in carbohydrate metabolism of the plants in general. The present work attempted to elucidate the effect of boron treatment on the translocation and metabolism of carbohydrates in cotton plant. The first internode of the fourth to the sixth fruiting branch of field grown cotton plant was chosen as experimental material. Only one leaf and one newly-opened...

It is known that treatment with boron may to a certain extent reduce the percentage of boll shedding in cotton plant. It is also known that boron plays a special role in carbohydrate metabolism of the plants in general. The present work attempted to elucidate the effect of boron treatment on the translocation and metabolism of carbohydrates in cotton plant. The first internode of the fourth to the sixth fruiting branch of field grown cotton plant was chosen as experimental material. Only one leaf and one newly-opened flower were left on the branch. Ringing was performed 3 cm below the flower in order to localize the treatment effect. Boron treatment was either applied to the leaf or to the flower. Treatments were either done in the light, or when plants were kept in darkness. At various intervals (24 and 48 hours) after treatment, samples were taken, each sample being constituted of 15 branches. Reducing sugars, sucrose and starch were determined respectively. Experiments showed that starch made up 10—13% of the dry weight of cotton leaf, it made up 5—6% of the dry weight of the young boll. Boron treatment of the leaf did not only increase the content of starch and reducing sugars of the treated organ, but also increased the content of reducing sugars of the boll opposite to the treated leaf. When plants were kept in darkness, boron treatment of the leaf increased the content of reducing sugars of the treated leaf at the expense of the content of starch. This. treatment caused an increase of both starch and reducing sugars in the boll. It is considered that the beneficial effect of boron on boll shedding is rclated to its improved carbohydrate supply to the boll.

五、摘要棉花叶子内碳水化合物的主要存在形式是淀粉,占干重的10—13%,绿色幼鈴内也含有较多的淀粉,大约是干重的5—6%。幼鈴内还原糖比叶子多一些。开花后第一天到第二天叶内及幼鈴内淀粉含量下降,而其还原糖则增加,这和幼鈴开始合成纤维素需要糖类作原料有关。幼鈴内合成纤维素的原料主要来自叶内淀粉。根据实验可以认为,硼不仅促进淀粉的合成,还能加强淀粉的水解,所以硼能加速碳水化合物的代谢。硼处理叶子时,不仅引起叶内淀粉及还原糖的增加,同时引起鈴内还原糖含量的增加,这说明了硼有促进糖类运输的功能。硼的这些生理功能在处理后24小时就已充分地表现出来。根据实验可以认为硼能减少棉鈴脱落是有生理依据的。根外施硼的适宜浓度为200—400ppm。

Two species of Phytophthora,one causing cotton boll blight and other causing leaf andcapsule blight of castor bean have been prevalent in North China in recent years.Detailedstudies have been made on their morphological and physiological characters supposed to be ofdiagnostic value.The cotton boll blight fungus is tentatively identified as a strain ofPhytophthora boehmeriae Sawada,although this species has not hitherto been known to infectcotton.The castor bean blight fungus is typical P.parasitica Dastur.

近年在华北地区普遍发生棉铃疫病和蓖麻叶果疫病。对于这两种疫病菌的形态和生理特性,按标准方法分剧进行了详细观察。把棉铃疫病菌鉴定为Phytophthora boehmeriae Sawada 的一个株系,并对它的寄主范围作了补充,在温度关系和有性生殖习性上它不同于已往西印度报导的棉铃上的 P.palmivoraBulter 和 P.parasitica Dastur。蓖麻疫病菌的性状与印度的典型 P.parasiticaDastur 相符合,与泽田兼吉在台湾描述的 P.ricini Sawada 和 P.formosanaSawada 两个新种只在寄主范围和孢子囊长宽比倒上稍有差异。

 
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