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pathogen
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  病原菌
    Study on Anthracnose Pathogen of Persimmon and Its Infection Mechanisms
    柿树炭疽病病原菌及其侵染机制研究
短句来源
    With the researching of morphological,bacteria staining,physiological and biochemical characteristics,as well as hosts range and the 16S rDNA sequence of the pathogenic bacteria,the results showed that the pathogen of Anthurium bacterial leaf blight was identified as Xanthomonas axonopodis pv. dieffenbachiae.
    通过对红掌上分离的病原细菌进行形态观察、染色试验、致病性测定、寄主范围、生理生化性状等常规细菌鉴定技术,结合细菌16S rDNA序列分析,鉴定该红掌细菌性叶枯病的病原菌为地毯草黄单胞菌万年青致病变种(Xanthomonas axo-nopodispv.dieffenbachiae)。
短句来源
    A Study on the Symptoms and the Pathogen of Lily Anthranose
    百合炭疽病症状及病原菌研究
短句来源
    STUDY ON PATHOGEN SPECIES OF POINSETTIA ROOT ROT IN SHANGHAI AND DRUG SCREENING
    上海地区一品红根腐病病原菌和药剂筛选研究
短句来源
    Study on the Pathogen of Rotten Disease of Loquat Flower
    枇杷花腐病病原菌的初步研究
短句来源
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  病原
    Pathogen Identification and Mechanism Study of Ginger Laipi Disease
    生姜癞皮病病原鉴定及发病机理研究
短句来源
    Studies on the Occurrence, Harmfulness of Valencia Orange Green Spot Disease and Genetic Diversity of Pathogen
    夏橙绿斑病发生、危害和病原遗传多样性研究
短句来源
    The Symptoms of Peach Black Spot (Alternaria alternata) and Identification on Pathogen
    深州蜜桃黑斑病(Alternaria alternata)的研究Ⅰ.发生情况、症状和病原鉴定
短句来源
    A Preliminaly Report for the Pathogen Diagnosis of Jujube Fruit Shrink Disease.
    枣缩果病病原诊断初报
短句来源
    Pathogen Identification of Tomato Bacterial Scab in Xinjiang
    新疆番茄细菌性疮痂病的病原鉴定
短句来源
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    Study of Fusarium Pathogen on Auricular ia poly tricha Cultivated with Plastic Bag in Sichuan Province
    四川省袋栽毛木耳镰刀病害研究简报
短句来源
    67 isolates of tomato leaf mold (Fulvia fulva) were collected from different ecological areas in Liaoning Pronince in the 1992 ~ 1995 period and tested for physiological strain specialization of the pathogen by way of international host monioring standards. The results showed that strain 1·2·3 was dominant and strain 1·2·3·4 rarely occured.
    1992~1996年5年中,从辽宁省内不同生态地区共采集番茄叶霉病标样67份,采用国际通用鉴别寄主进行生理小种鉴定结果,我省番茄叶霉病以生理小种1·2·3为主,是当前生产上流行的优势小种,而1·2·3·4为稀有小种.
    The results showed the pathogen was Fusarium oxysporum f. sp. eleocharidis.
    研究结果表明,该病由尖孢镰刀(Fusarium oxysporum f.sp.eleocharidis)为害所致。
    Fermentation inhibition effect of the 4 antagonistic bacteria strains against the growth of pathogen were 62. 8% ,66. 8% ,63. 0% and 64. 7% respectively.
    上述4株拮抗的5倍发酵滤液对镰刀的抑制率分别为62.8%,66.8%,63.O%,64.7%。
    Studies on over-summering and primary infectious pathogen of strawberry powdery mildew in greenhouses in East Zhejiang
    浙东大棚草莓白粉病越夏和初侵染源的研究
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  “pathogen”译为未确定词的双语例句
    The results showed that the minimum inhibitive concentration(MIC) was 0.156 25 mg/mL; with the increase of garlic bulb crude extracts concentration,the inhibited circle and the inhibitive rates to mycelia growth and spore germination of the pathogen increased.
    结果表明,随大蒜鳞茎粗提物质量浓度的增加,对西瓜枯萎病菌的抑制作用增强,大蒜鳞茎粗提物的最低抑菌质量浓度(MIC)为0.156 25 mg/mL;
短句来源
    The inhibitive rate to spore germination reached 100% when the concentration of garlic bulb crude extracts increased to 10 mg/mL,and the pathogen inhibited circle reached the biggest,5.7 mm,and the mycelia growth inhibitive rate reached 100% when the concentration of garlic bulb extracts increased to 20 mg/mL.
    当大蒜鳞茎粗提物的质量浓度达到10 mg/mL时,对病菌孢子萌发的抑制率达100%; 质量浓度达到20 mg/mL时,抑菌圈直径最大,为5.7 mm,对病菌菌丝生长的抑制率达到100%,与对照差异达极显著水平。
短句来源
    It is suggested that the nutritional competition and hyperparasitism are the main mechanisims of antagonism of Trichoderma isolates T7 and T12 against the pathogen of ring rot of apple.
    作者认为,营养竞争和重寄生作用是T7、T12对苹果轮纹病菌的主要拮抗机制。
    The temperature range for the pathogen growth was 5-30℃ with the optimum of 15-25℃.
    病藻的适应温度范围比较广,5-30℃都可生长,15-25℃为其适温范围;
    Studies on Conditions for Sporulation and Inoculation of Uredospores of Cowpea Rust Pathogen
    豇豆锈菌夏孢子接种条件的研究
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  pathogen
Changes in trypsin inhibitor activity, lectin activity, and the content of endogenous salicylic acid after administration of exogenous salicylic acid or a pathogen were shown to depend on the resistance of maize strains to Fusarium.
      
A change in the activity of lectins may be a nonspecific response of plants to infection with the pathogen.
      
Infection of tubers with a compatible race of the pathogen or treatment with a suppressor (laminarin) decreased both the degree of hydrolysis of conjugated forms of salicylic acid and the accumulation of its free form.
      
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.
      
Interaction of proteinases secreted by the fungal plant pathogen Rhizoctonia solani with natural proteinase inhibitors produced
      
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According to the data obtained during 1961—1964, the anthracnose pathogen entered the fruits of Camellia oleosa chiefly through wounds, probably also through natural openings. The incubation periods varied with temperature, for instance, an incubation period of 15 days at 15℃ was reduced to 5 days at 28℃. The dissemination of conidia was facilitated by rains and wind. Some insects in the forest were not considered to be important in transmission.

四年来,作者对油茶炭疽病的侵染途径、传播方式、发病的阶段性、特点和具体条件职及病害蔓延等規律进行了研究。 結果指出,病菌侵染途径以伤口为主,也可能从自然孔道侵害果实。潛育期随气温上升而縮短,15℃至28℃时,潛育期由15天缩短为5天。分生孢子借助雨滴、风夹雨进行传播,干燥气流不能传菌。林間象(虫甲)、螞蚁不是传病的主要媒介。病害发生具有鮮明的季节性。果实发病期长,自4月至10月。病害有初期、中期、盛期和末期四个时期。感病宿主存在、菌源量积累和高温降雨为病害发生、发展的决定性因素。病害发展有間歇期和消长期。植株发病类型有:早发型、中发型、后发型及突发型四种。病果类型有:内侵型、邻侵型和外侵型三种。油茶炭疽病的逐年蔓延速度在一年内为36.5—50.0%;二年内为51.9—60.3%;三年内为55.8—61.8%。

In 1962~1964 seeds of various Citrus species and varieties weretreated with hot water or water vapour saturated hot air at 54-57℃ for10-60 minutes.Neither the germination of the treated seeds nor the sub-sequent growth of the seedlings were impeded.In many cases,the ger-mination rates of the treated seeds were even significantly increased.But at higher temperatures or longer times of treatment,adverse effectsresulted. Large scale practices in subsequent years showed that Citrus seed-lings grown from treated...

In 1962~1964 seeds of various Citrus species and varieties weretreated with hot water or water vapour saturated hot air at 54-57℃ for10-60 minutes.Neither the germination of the treated seeds nor the sub-sequent growth of the seedlings were impeded.In many cases,the ger-mination rates of the treated seeds were even significantly increased.But at higher temperatures or longer times of treatment,adverse effectsresulted. Large scale practices in subsequent years showed that Citrus seed-lings grown from treated seeds were free from various diseases and pestssuch as canker,scab and mites,and showed no symptoms of any virusor virus-like diseases that are commonly or possibly carried by Citrusseeds. It is suggested that Cirus seeds for propagation be treated with hotwater at 56℃ for 50 minutes to free them from possible infection byyellow shoot,blotchy yellows and other virus or virus-like diseases andfrom contamination with canker,scab and their disease pathogens aswell as injurious insects and pests.

各种柑桔类的种子经热水或湿热空气54~56℃处理10~60分钟,有的甚至经57℃处理50分钟后播种,其发芽率及长出的幼苗的生长一般均不受影响。某些品种的种子经适当的温度和时间处理后,其发芽率显著提高。看来,一般柑桔类种子经56℃温汤处理50分钟是安全的。采用这温度和时间处理柑桔类种子可以消除种子内可能带有的黄龙病、斑黄病的病原体和溃疡病、疮痂病等病原菌。柑桔类种子经过热处理的如同不经热处理的一样,可以短期贮藏不致表失发芽力。

Fusarium graminearum is one of the main pathogen which cause stalk rot of corn.It is very dificult to produce the spore of F.graminearum in the process of PSA artificial culture,therefore we adopt a new method in

玉米青枯病(茎腐病),其主要致病菌之一——禾谷镰刀菌(Fusariumgraminearum),在PSA人工培养过程中极不易产生孢子。作者采用浅盘培养方法综合产生无性及有性子实体,生产量大,操作简便,效果良好。主要技术要点是:PSA斜面菌种转接在麦粒或高梁粒培养基上,25℃扩繁培养6~7天,至基物长满菌丝,后平铺于白磁盘内(即浅盘培养),给予一定光源的照射处理,并经常喷水,保持一定湿度。经48~72小时即可丰产分生孢子及有性子实体,环境适宜温度18~25℃。

 
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