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spore
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  孢子
    Study on Spore Propagation of the Ostrich Fern, Matteuccia struthiopteris Todaro
    荚果蕨Matteuccia struthiopteris Todaro孢子繁殖的研究
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
    The effect of different spore storage time and cultivate conditions on the formation of gametophyte and sporophyte in Adiantum reniforme var.sinense was investigated in present study. The results showed that the spores of A.
    研究了荷叶铁线蕨(Adiantum reniforme var.sinense)的不同贮藏时间与培养条件对其配子体发育和孢子体形成的影响,结果表明:荷叶铁线蕨孢子为不含叶绿素孢子,在室温下保存5年以上时间依然具有活力,但不同的贮藏时间对配子体和孢子体的形成具有显著的影响。
短句来源
    Soil alkali solution N and pH did not exhibit a correlation with AM fungal colonization or spore density.
    土壤碱解N和pH与AM真菌定殖和孢子密度没有显著相关性。
短句来源
    The spore could be killed at 65 ℃ for 10 min.
    孢子的致死温度为65℃,10 min。
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  “spore”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 testing results of the different consistence spore suspension showed that the disease index of 106 spore/ml suspension was higher than 105 and 104spore/ml suspension.
    研究表明以106分生孢子/ml接种浓度的病情指数高于105分生孢子/ml和104分生孢子/ml 的病情指数;
    To compare the in vitro fitness of pyrimethanil-resistant and pyrimethanil-sensitive B. cinerea populations, isolates BC-T-4-28 (S) , BC-T-4-69 (MR) and BC-T-l-37(HR)were chosen to assay their growth rates and spore production on solid PDA, mycelium gross in liquid PDA.
    选取对嘧霉胺敏感性不同的灰葡萄孢菌菌株BC-T-4-28(S)、BC-T-4-69(MR)和BC-T-1-37(HR),分别对这些菌株的菌丝扩展速率、菌丝干重、产孢和胞外酶(果胶酶和纤维素酶)活性等生理生化指标进行了比较。
短句来源
    The optimum temperature and and pH value for spore germination were 25℃and pH5 respectively, the lethal temperature for the spore was 60℃ 10min.
    分生孢子萌发的最佳温度为25℃,最佳pH值为5,致死温度为60℃处理10min。
短句来源
    the most suitable temperature for the growth of mycelium and spore is 20℃;
    番茄晚疫病菌菌丝生长和产孢的最适宜温度为20℃;
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  spore
Characteristics of spore germination and protonemal development in Hypnum pacleseens
      
The spore germination, protonemal development, and gametophyte differentiation of Hypnum pacleseens were observed in cultivation.
      
Photomicrographs showed that spore germination of Hypnum pacleseens occured within the exospore.
      
Physiological and biochemical traits of the epiphytic spore-forming bacteria Bacillus pumilusBIM B-263 were examined.
      
Spore-forming bacteria and microorganisms of the genus Pseudomonas were less active (17-23% and 7-11%).
      
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This is a continuation of a previous study (Li, L. Y, et al. 1951, Fukien Agr. Jour., 12(3, 4): 107-112) on the outdoor culture of straw mushroom in Fukien. The present work includes: (1) investi- gations on the analysis of fresh Fukien grown straw mushroom, (2) isolation and culture of Volvaria esculenta and our trials in using pure-culture spawns to grow mushroom, and (3) preliminary obser- vations made on the environmental requirements of Volvaria esculcnta The results are briefly summarized as follows: ...

This is a continuation of a previous study (Li, L. Y, et al. 1951, Fukien Agr. Jour., 12(3, 4): 107-112) on the outdoor culture of straw mushroom in Fukien. The present work includes: (1) investi- gations on the analysis of fresh Fukien grown straw mushroom, (2) isolation and culture of Volvaria esculenta and our trials in using pure-culture spawns to grow mushroom, and (3) preliminary obser- vations made on the environmental requirements of Volvaria esculcnta The results are briefly summarized as follows: 1. Our analytical work shows that the straw mushroom con- tains 92. 39% water, 206. 275mg. of ascorbic acid in 100g. of fresh mushroom, 2. 6024% sugar, 2. 6603% protein, 2. 2406% oil, and 0. 9118% ash. 2. Pure cultures of Volvaria esculenta could be readily obtained by innoculation with spores from fresh unopened mushroom. Cultures grow well on potato, corn, rice and rice-kernel husk media. 3. By employing pure-culture spawns, it takes only ten days for the first appearance of mushroom after spawnning while it takes three weeks usually if mixed cultures are used instead. The total period of mushroom production is likewise prolonged by the use of pure-culture spawns. 4. Preliminary observations indicate an atmospheric tempera- ture of 70°to 80°F., and a humidity of above 80% are favorable for the growth of straw mushroom. Production of mushroom stops when the atmospheric temperature falls below 70°F. The period of outdoor culture in Fcochow is from the latter part of April till the end of October.

本文旨在介绍草菰的营养价值,纯种培植的方法,及草菰生长状况。经分析结果,草菰的营养价值较一般蔬菜为高,尤以丙种维生素更为丰富。用纯种培植草菰较普通方法培植的不仅可以提早一半时间出菰,且产菰日期延长,菰之产量亦提高一倍。草菰生长速度从菰纽露面至菰伞平张需经过四十八小时,采为食用,以在菰疱破裂后十小时左右采收为佳。

Valsa canker(Valsa mali Miyabe et Yamada)is one of the most serious dis-eases of apple in North China.Generally,it affects the weak bearing trees andcauses catastrophic damage after periodical freezing.In early works,the authors attempted to search for the period of infectionand to control with certain protective fungicides,but all the attempts failed.Inthe years from 1961 to 1963,the authors concentrated the work on the studies ofthe nature of infection of the causal fungus.During the growing season,fromMay...

Valsa canker(Valsa mali Miyabe et Yamada)is one of the most serious dis-eases of apple in North China.Generally,it affects the weak bearing trees andcauses catastrophic damage after periodical freezing.In early works,the authors attempted to search for the period of infectionand to control with certain protective fungicides,but all the attempts failed.Inthe years from 1961 to 1963,the authors concentrated the work on the studies ofthe nature of infection of the causal fungus.During the growing season,fromMay to September,the authors collected apparently healthy apple twigs and smallbranches,killed them by freezing below-10℃.After surface sterilization withlime sulfur,these shortened twigs were placed in pans half filled with wet sandin order to keep them moistened.These works were undertaken in the green hou-ses or growth chambers where the Valsa spores were absent.After a specificperiod,the bark of some twigs decayed showing the characteristic Valsa cankerappearance,and Valsa pycnidia was produced.Inoculating the healthy appletwig with spores from this pycnidia caused the characteristic Valsa canker.Thus,it is demonstrated that latent infection of Valsa mali occurred in the Valsabark of apple.The percentages of Valsa latent infection of twigs of the same age of bothyoung and old trees were similar.In the twigs two to five years old,the percen-tages of latent infection increased with the age.Valsa latent infections in apple barks are widespread in distribution,theyoccurred not only in the canker disease area of the Provinces Liaoning,Hopei,Shantung and Shansi,but also in the non-canker diseased Provinces Anhui andHonan,even in Hupei,a province of the Yangtze Valley.The authors discussed the significance of the latent infection of Valsa cankerfungus in relation to the further research works and control measures of cankerdisease.The maintenance of tree vigor is emphasized as the fundamental measureof the canker control.The work on the chemical control of Valsa canker syste-mic fungicides,especially those with endotherapeutic activity,was regarded asthe most important.The significance of the biological control of Valsa canker ofapple was also indicated.

苹果树腐烂病(Valsa mali Miyabe et Yamada)是我国北部苹果产区的主要病害之一,每每在周期性冻害之后盛发,一般在管理粗放、树势衰弱的果园为害严重。在早期的工作中,试图用常规研究方法探索病菌侵入的集中时期,采用适期喷布保护剂防止病菌侵入的方法来预防发病,未获预期的结果。1961—1963年,作者等继续研究侵染问题。在5—9月间果树生长季内,采集外观无病的健康苹果枝条,置-10℃以下环境中冻死,涂石硫合剂杀死枝条上可能附留的孢子,隔绝外来侵染,在室温下插湿砂盘中保持枝条不乾。经一定时间,树皮腐解,呈现腐烂病变特徵,并产生分生孢子器。取分生孢子接种,能致病。试验证明,正常的苹果树皮上带有潜伏病菌,它在寄主失却抗性时扩展。苹果树腐烂病菌具潜伏侵染特点。幼树和成年树同龄枝条带菌枝率无显著差异。2—5年枝,带菌枝率随枝龄增长而增高。辽宁、河北、山东、山西、河南、安徽、湖北等省苹果枝条都带潜伏病菌。文中讨论了潜伏侵染在腐烂病研究和防治上的意义。作者等强调了增强树势,提高抗扩展能力,应作为基本的防治措施。药剂防治的研究应从保护的应用研究改变为筛选具有铲除效能的杀菌剂或内吸杀菌剂。文中还提到探索生物防治...

苹果树腐烂病(Valsa mali Miyabe et Yamada)是我国北部苹果产区的主要病害之一,每每在周期性冻害之后盛发,一般在管理粗放、树势衰弱的果园为害严重。在早期的工作中,试图用常规研究方法探索病菌侵入的集中时期,采用适期喷布保护剂防止病菌侵入的方法来预防发病,未获预期的结果。1961—1963年,作者等继续研究侵染问题。在5—9月间果树生长季内,采集外观无病的健康苹果枝条,置-10℃以下环境中冻死,涂石硫合剂杀死枝条上可能附留的孢子,隔绝外来侵染,在室温下插湿砂盘中保持枝条不乾。经一定时间,树皮腐解,呈现腐烂病变特徵,并产生分生孢子器。取分生孢子接种,能致病。试验证明,正常的苹果树皮上带有潜伏病菌,它在寄主失却抗性时扩展。苹果树腐烂病菌具潜伏侵染特点。幼树和成年树同龄枝条带菌枝率无显著差异。2—5年枝,带菌枝率随枝龄增长而增高。辽宁、河北、山东、山西、河南、安徽、湖北等省苹果枝条都带潜伏病菌。文中讨论了潜伏侵染在腐烂病研究和防治上的意义。作者等强调了增强树势,提高抗扩展能力,应作为基本的防治措施。药剂防治的研究应从保护的应用研究改变为筛选具有铲除效能的杀菌剂或内吸杀菌剂。文中还提到探索生物防治的可能性和侵染研究的方法问题。

Wounds and sufficient moisture are the essential conditions for theinfection of white rot in vineyard.Infections will take place throughinjuries on any green portions of the vine.Under the environment ofhigh humidity or in the guttation of leaves,water-pore may become apath of infection.On clusters,they are not necessary for the woundsto be visible to the naked eyes,since natural wounds on pedicels aresufficient for the invasions.Spore germination and invasion of white rot are closely bound upwith moisture relation.A...

Wounds and sufficient moisture are the essential conditions for theinfection of white rot in vineyard.Infections will take place throughinjuries on any green portions of the vine.Under the environment ofhigh humidity or in the guttation of leaves,water-pore may become apath of infection.On clusters,they are not necessary for the woundsto be visible to the naked eyes,since natural wounds on pedicels aresufficient for the invasions.Spore germination and invasion of white rot are closely bound upwith moisture relation.A sufficient soil moisture owing to rains or ir-rigations may play its role to promote the infection by two ways:(1)Condensation of water film induced the exomosis of nutrients,whichstimulated the spore germination and further invasion.(2)Owing to theincreasing of root pressure of the vine induced the guttation of leaveswhich gave a lift to the disease by affording it water,nutrients andpath for invasion.

葡萄白腐病菌侵染的主要条件是伤口和充分潮湿。对葡萄的任何绿色组织,通过伤口,都能发生侵染。在高湿度环境下,或在叶片吐水之际,水孔能成为侵染的途径。在葡萄穗上,它们是不可能作为伤口被肉眼分辨出来的,然而穗梗上的自然伤口足够为病菌所入侵。白腐病菌的孢子萌发和入侵,是与潮湿密切相关的。土壤由于下雨或灌溉而充分湿润,可由下列两条途径引起侵染:(1)水膜凝聚引起营养物质外溢,从而促使孢子萌发,以至进一步入侵。(2)由于葡萄的根压增高而引起叶片吐水,给病菌提高水、营养物质的供应量,导致入侵。

 
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