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toxin
相关语句
  毒素
    Studies on the Toxins of Fusarum solani Ⅱ.Correlation Between Toxin and Disease Resistance of Pea Cultivars
    茄病镰刀菌毒素的研究Ⅱ.毒素与豌豆品种抗病性的关系
短句来源
    oxysporum f. sp. cubense is 162.1 μg/ml; the dose of the toxin causing toxic degree 50 of the banana plantlets treated with the crude toxin for 120 h is 31.62 μg/ml.
    结果表明,香蕉枯萎病菌培养滤出液中的镰刀菌酸含量为162.1 μg/ml,粗毒素处理120 h引致香蕉苗枯萎(以病情指数表示)达50的剂量为31.62 μg/ml;
    The toxic degree of the toxin on banana plantlets decreases remarkably after the toxin treated in strong acid medium (pH≤5) or strong alkali medium (pH≥11) for 1 h, as under 100℃ or 121℃ respectively for 15 min.
    粗毒素在强酸或强碱(pH≤5或pH≥11)介质中处理1 h或100℃以上热处理15 min后致病性显著下降。
    Effect of toxin from Cladosporium fulvum on CAT and protective substance of tomato seedling
    叶霉粗毒素对番茄幼苗CAT酶及保护性物质的影响
短句来源
    Influence of the toxin of Phytophthora capsici for the microconstruction of pumpkin leaves
    南瓜疫病菌(Phytophthora capsici)毒素对寄主叶片超微结构的影响
短句来源
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  “toxin”译为未确定词的双语例句
    Factors Affecting Hyphae Growth and Toxin Production of Alternaria brassicae
    白菜黑斑病菌(Alternaria brassicae)菌丝生长和毒素产生条件的研究
短句来源
    7. The optimum conditions for toxin production of P.parasitica were 62 medium, pH4-6, 25-28 , and culturing for 28 days.
    7.研究了寄生疫霉毒素产生的最适条件:G:培养液、pH值4一6,温度25一28℃及黑暗与光照交替条件下培养28天以上。
短句来源
    The fittest conditions of ABG hyphae growth and toxin production were 13~15℃,pH4、light 12 hours one day. shaking all the day, 3% sucrose as C resource respectivelly.
    ABG菌丝生长的最佳条件是13~15℃、pH4、光照12h/d、全天振荡和以蔗糖(浓度为3%)为C源;
短句来源
    lateritium was cultured in Richard′s Medium of pH 6 and 25 ℃ for 14 d in dark, the restraining rate of the medium to muskmelon radicle was the highest, and the toxin from F.
    而F . lateritium在 pH 6的Richard培养液中 ,置 2 5℃黑暗静置培养 14d后获得的培养滤液对白兰瓜种子胚根的抑制率最强 .
短句来源
    Studies on the Stability and Pathogencity of Toxin of Bo trytis cinerea Persoon in Fragaria ananassa Duch
    草莓灰霉菌毒素的稳定性及致病力的研究
短句来源
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  toxin
Ochratoxin A was quantitatively monitored in grain extracts by indirect solid-phase enzyme immunoassay with the use of an immobilized conjugate of the toxin with gelatin and polyclonal rabbit antibodies raised against the ochratoxin A-BSA conjugate.
      
This monitoring found that 1.7 to 18.5% of the samples were contaminated with the toxin at a concentration of 25.9-291.7 μg/kg.
      
It has been demonstrated in model experiments that the decrease in the content of BET in the culture fluid is accounted for by the toxin interaction with an attendant product, the exogenous metabolite (EM).
      
Primary Structure of a Short Toxin from the Venom of a Vietnamese Scorpion (Buthus sp.)
      
The complete amino acid sequence of an important toxin (toxin 14) from the venom of a Vietnamese scorpion (Buthus occitanus sp.) has been determined, which includes 35 amino acid residues and three disulfide bridges (molecular weight, 3843 Da).
      
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The present experiement was intended to select apple mutant resistant to Alternaria blotch of apple in vitro from the calli of suscepetible cultivars Yanfu No.10,New Jonagold, Rails and Starkrimson,using host-specific toxin AM-toxin from Alternaria mali Roberts as selective factor. The experiemental results were enumerated as follows:Ⅰ. AM-toxin was obtained from Richards cultivar filtrates of Alternaria mali Roberts. It could induce brown spots on leaves and wilting of shoots accompanied with...

The present experiement was intended to select apple mutant resistant to Alternaria blotch of apple in vitro from the calli of suscepetible cultivars Yanfu No.10,New Jonagold, Rails and Starkrimson,using host-specific toxin AM-toxin from Alternaria mali Roberts as selective factor. The experiemental results were enumerated as follows:Ⅰ. AM-toxin was obtained from Richards cultivar filtrates of Alternaria mali Roberts. It could induce brown spots on leaves and wilting of shoots accompanied with electrical conductivity severely increasing on susceptible cultivars. But this phenomenon did not appear on the resistant cultivar Fucui.Ⅱ. AM-toxin inhibited severely the growth and survival of calli from susceptible cultivars. But the inhibition became much less severe on Fucui callus compared with susceptible cultivars. All the results showed that AM-toxin was a host-specific toxin and could be used as selective factor.Ⅲ. Multiple step screening system was used,the experiemental results revealed that the screening as effective to increase the resistance to AM-toxin of the susceptible cultivars, but was not to Fucui.Ⅳ. The resistant lines (calli obtained through selecting) could remain resistance to high strength AM-toxin after aparting from selective factor for two months. Comparison of the resistant lines with the original non-selected lines revealed that in the resistant lines the PAL activity was much higher,the POX isoenzyme was 1~3 bands less,and according to cultivar, the POX activity was much higher or lower. Under AM-toxin stress, the electrical conductivity of non-selected lines was much higher.Ⅴ. After inoculating with the spores of the pathogen,the resistant lines were much less susceptible than the original non-selected lines.How to induce and subculture apple callus ,the superiority and implementation of in vitro screening of mutant resistant to disease were discussed in this thesis also.

从苹果斑点落叶病菌(Alternaria mali Roberts)的Richards培养液中提取的AM—毒素,在254nm处有吸收峰。经叶片法、插枝法、电导率法等生物测试表明,AM—毒素具有寄主专化性。以AM—毒素为选择因子,配制成选择培养基,以感病品种岩富10、新乔纳金、国光、新红星的愈伤组织为材料,采用多步选择系统筛选抗病突变体。所得到的抗病系离开选择因子2个月后,仍保持获得的抗病性。与未经选择的原始型相比,抗病系的苯丙氨酸解氨酶活性增强,过氧化物酶同工酶带减少1~3条。在AM—毒素作用下,抗病系电导率增加速度显著小于原始型。接种病原菌孢子后,抗病系较原始型抗病。

Botrytis cinerea Persoon isolated from Fraguria ananassa was grown well in Peberdy's liquid medium(pH3-4) at 25℃ and produced toxin which inhibits the cell activity of the callus of Fraguria ananassa. The highest toxicity of culture filtrates occurred on the twentieth day after incubation. The crude toxin was obtained from condensed culture filtrates by extraction with chloroform. The toxin exhibited absorption maximum at 269nm.

草莓灰霉病菌(Botrytis cinerea Persoon)在25℃、pH3~4的Peberdy培养基中生长良好,并可产生引起草莓愈伤组织细胞死亡的毒素。产生毒素的高峰期为静置培养20天。灰霉菌发酵液中的毒素可用氯仿进行提取,经提取后的毒素液在269nm处有吸收峰。本研究建立了利用草莓愈伤组织细胞的荧光活性测定毒力的方法。

The Fusarium solani(Mart.)Sacc.strain D-016,which was isolated from the rotdisease of pea,was inoculated in PSC liquid medium and cultured under 25℃ in dark in a incubator.After 14 days stationary culture,the filtrate of culture medium with toxicity could be obtained.Thebioassay showed that both of the filtrate and crude toxin extracted from it had phytotoxicity.The primary assay of the rough toxin illustrated that this fungus could produce the toxins including Neo-solaniol,T2,H-T2 and Diacetoxyscirpenol...

The Fusarium solani(Mart.)Sacc.strain D-016,which was isolated from the rotdisease of pea,was inoculated in PSC liquid medium and cultured under 25℃ in dark in a incubator.After 14 days stationary culture,the filtrate of culture medium with toxicity could be obtained.Thebioassay showed that both of the filtrate and crude toxin extracted from it had phytotoxicity.The primary assay of the rough toxin illustrated that this fungus could produce the toxins including Neo-solaniol,T2,H-T2 and Diacetoxyscirpenol etc.

将从豌豆根腐病病株分离获得的茄病镰刀菌(Fu)D-016菌株接种在PSD培养液中,且25℃恒温箱内黑暗静止培养14天后,可获得具有毒性的培养滤液。培养滤液及提取的粗毒素经生物测定都具有植物毒性效应。粗毒素经分离纯化后进行的初步鉴定表明,该菌可产生茄病镰刀菌烯醇和T_2、二醋酸草镰刀菌烯醇、H-T_2等毒素。

 
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