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fungicides
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  杀菌剂
     The inhibition of six fungicides at five different concentrations (25, 50, 100, 150 and 200 μg/mL) was measured.
     在此基础上选择6种杀菌剂,将浓度设为25或50,100,150,200μg/mL,测定其抑制率。
短句来源
     Progress of 1,2,4,-Triazole Fungicides
     含1,2,4-三氮唑类杀菌剂的研究进展
短句来源
     Progress on the Research of 1,2,4-Triazole Fungicides
     1,2,4-三氮唑类杀菌剂的研究进展
短句来源
     Among the 13 fungicides selected to control the rust,pine tar,pine tar+diesel oil(1:1,1:3, 1:5), 75% Bravo emulsion,70% Mancozeb emulsion were applied to coat the galls and the result was satisfactory.
     用13种杀菌剂试验,松焦油、松焦油+柴油(1:1,1:3,1:5),75%百菌清乳剂,70%代森锰锋乳剂涂干的防治效果好。
短句来源
     The results showed that there were 6 kinds of highly effect fungicides(EC50 value < 0.5 ppm)among 25 kinds of fungicides, which they are 40% Miebingwei SC ,and 40% Carbendazim SC, and 30% Wenmeijing WP, and 80% Carbendazim GP, and 20% or 50% of Carbendazim WP.
     结果表明,25种杀菌剂中高效的药剂有6种(EC50值<0.5ppm),分别为40%灭病威胶悬剂、40%多菌灵胶悬剂、30%纹霉净可湿粉剂、80%多菌灵超微粉剂、20%多菌灵可温粉剂、50%多菌灵可湿粉剂。
短句来源
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  杀真菌剂
     The Inhibition Effect of 7 Fungicides on Gray Mold of Garlic Sprouts
     7种杀真菌剂对蒜薹灰霉菌抑制效果研究
短句来源
     The effects of 10 fungicides on conidial germination of Conidiobolus thromboides Drechsler at two concentrations were tested.
     研究了10种杀真菌剂在田间使用浓度的中间浓度及其10倍稀释液下,对昆虫病原真菌块耳霉孢子萌发的影响。
短句来源
     implicatum from species of Brachiaria using fungicides was evaluated. Endophyte-infected Brachiaria young tillers were treated using fungicide Benomyl, Propiconazole, or Folicur. Each of the treatments could kill A.
     并用PCR法评价了不同杀真菌剂对旗草内生真菌A.implicatum的除菌效果,杀真菌剂Benomyl、Propiconazole、Folicur对感染A.implicatum的旗草小植株进行除菌处理,每种处理都有除菌作用,但都不能100%地去除内生菌。
短句来源
     The inhibition effects of 7 fungicides against garlic sprouts gray mold were tested. The results showed that fungicides Baoxianke and Carbendazim Diethofencarb with 4 levels of concentration all completely inhibited this disease;
     研究了7种常用杀真菌剂对蒜薹采后灰霉菌的抑制效果,结果表明,在PDA培养基上,保鲜克和施美清的4个浓度处理都能完全抑制蒜薹灰霉菌的生长,抑菌率均达到100%;
短句来源
     Effects of five fungicides at different concentraitions on chlorella growth was studied.
     研究了5种杀真菌剂在不同浓度时对小球藻生长的影响。
短句来源
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  “fungicides”译为未确定词的双语例句
     Toxicity regression equations of the three fungicides were Y=4.21 87+2. 1317x, y=0.8644+2.2214x, and y=3.6955+0.9434x, respectively;
     用最小二乘法计算的3种药剂的毒力回归方程依次为:Y=4.2187+2.1317x、Y=0.8644+2.2214x、Y=3.6955+0.9434x;
短句来源
     Experiment result showed that 72.2% prapamocarb hydrochloride AS、64% oxadixyl mancozeb WP、72% cymoxanil mancozeb WP、47% kasugamycin hydrochloride WP和70% propined WP were effective fungicides for controlling downy midew of cucumber.
     试验表明,72.2%普力克AS、64%杀毒钒WP、72%克露WP、47%加瑞农WP和70%安泰生WP均为防治黄瓜霜霉病较好的药剂品种。
短句来源
     There were 7 kinds of Medium effect fungicides (EC50value was at 0.5-20 ppm) , such as 70% thiophanate-methyl WP and 20% triadimefon EC etc.
     中效的药剂有7种(EC50值在0.5-20ppm之间),其中有70%甲基托布津可湿粉剂、20%粉锈宁乳油等。
短句来源
     There were 12 kinds of low effect fungicides (EC50 value > 20 ppm).
     低效的药剂有12种(EC50值>20ppm)。
短句来源
     The results of three leaves growth indicated that the inhibitive rates of hexaconazole and penconazole at the dose of 25mg/L~100mg/L were 15%~40%,while the inhibitive effect of propiconazole and myclobutanil were 5%~15% at the dose of 50mg/L~100mg/L. The chlorophyll contents in the leaves were increased by 5%~30% after treatment of the 4 triazole fungicides.
     三叶期茎叶喷雾处理结果显示,己唑醇和戊唑醇在25~100mg/L时,株高抑制率为15%~40%,丙环唑和腈菌唑50~100mg/L的株高抑制程度为5%~15%,4种药剂50~100mg/L对叶片叶绿素含量的增加在5%~30%。
短句来源
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  fungicides
The preparation is compatible with insecticides (carbofos, vismetrin, talstar, and applaud) and certain fungicides (such as baitan).
      
The preparation may serve as an alternative to chemical fungicides for plant protection.
      
Aminoalkylphosphinates Are New Effective Inhibitors of Melanogenesis and Fungicides
      
Determination of the Optical Purity of Fungicides of the Triazole Series
      
The influence of the nature of the chiral selector and the composition of the mobile phase on the enantioselectivity of the separation of two fungicides of the triazole series by high-performance liquid chromatography was studied.
      
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Following a series of experiments conducted in East China Agricultural Re-search Institute (Nanking) during the past years,the "red arsenic",a well-knownraw-drug (containing approximately 90% of As_2O_3,9% of AS_2S_2 and 1% of mis-cellaneous substances),is found to be acceptable as seed disinfectant for the controlof cereal smuts.This raw-drug is not only excellent in effectiveness,but alsoeasily obtainable in this country. Incidence of infection of wheat bunt in the plots receiving 3 different treatments,namely,red...

Following a series of experiments conducted in East China Agricultural Re-search Institute (Nanking) during the past years,the "red arsenic",a well-knownraw-drug (containing approximately 90% of As_2O_3,9% of AS_2S_2 and 1% of mis-cellaneous substances),is found to be acceptable as seed disinfectant for the controlof cereal smuts.This raw-drug is not only excellent in effectiveness,but alsoeasily obtainable in this country. Incidence of infection of wheat bunt in the plots receiving 3 different treatments,namely,red arsenic (inoculated seed grains dusted at the rate of 0.05 % by weight),copper carbonate (0.3%),ethyl mercury phosphate (0.05%),during the last 4years,averaged 0.2%,1.4% and 2.7%,respectively against 44.8% in the control.The corresponding figures for the flag smut of wheat were respectively 3.1%,0.8%,5.0% against 20.5%; for the covered smut of barley,0.9%,1.1%,0.9% against1.6%; for the kernel smut of oats,6.8%,3.1%,0.5% against 41.4%.The resultsmake us believe that this native raw-drug is not inferior,in some cases even su-perior,to other fungicides now extensively manufactured and considered efficientin preventing the various cereal smuts.But in the control of the covered smut ofbarley,as we have already shown elsewhere,another native raw-drag,sulphur ismore effective.In the last 3 years,field experiments were carried out to studywhether arsenic gives beneficial effect on the germination of seed and on the yieldof grain.Arsenic was applied as dust to the clean seed wheat following thestandard hot water treatment.Data showed that the number of seedlings in asingle 12-ft.row ranged 368-400 from treated seed as compared with 362-386 fromuntreated seed.Yield of grain also increased 4.7 to 23.6 per cent.It is,there-fore,evident that this fungicidal dust,when properly used,is at least not injuriousto seed wheat.The following points,however,must be borne in mind when thearsenic treatment is put into practice: (1) The dosage should not be higher than0.05 per cent and lower than 0.005 per cent by weight of seed grain.Otherwise, ??it would be either injurious to seed germination or ineffective for disease control.(2) Arsenic can be applied only to thoroughly dried seed grain. Seed wheat con-taining 24% of moisture when treatment was made, lost its vitality in a very fewdays, while that with less than 12% moisture can be stored for one month withoutspoilage. (3) Arsenic reduced germination of seed grain after storage at the highertemperatures. Under laboratory conditions, seeds, treated during hot summer whenthe air temperature ranged between 31 and 35℃, largely lost their germinativecapacity within half a month, but seeds, treated in cooler season when air tempera-ture dropped below 22℃, germinated as untreated ones after being stored for 3months or longer. (4) The relative humidity during storage played the most im-portant role in causing arsenic injury to the seeds. Seeds of wheat containingproper moisture (around 12%) dusted with arsenic at correct rate (0.05% byweight), failed to germinate after being stored for 5 days at temperatures above30℃ under 100% r.b.; but there was little or no injury after a storage period ofover 7 months at 37℃ under 18% r.h. (5) The length of storage period is alsoa factor in causing arsenic injury, and at the same time affecting the efficiency ofthe treatment. Seeds dusted with arsenic at a dosage of 0.05% during mid-summer(July of 1953) retained their germinative capacity within 0.5 month, but no seedsgerminated after 2.5 months' storage. On the other hand, almost complete controlof disease was obtained from thoroughly infested seed grain dusted with 0.0125%of arsenic and stored for 60 days, but similarly treated seeds which were sownimmediately, gave 45.15% infection as compared with 72.77% in the check plot.Consequently, the proper method of using arsenic against cereal smuts is to dustthoroughly dried seed grain at the rate of 0.05-0.0125% by weight and to storetreated seeds under cool (below 25℃) and rather dry (around 80% of r.h.) con-ditions for a period of about one month. According to the results obtained from experiments conducted under bothlaboratory and field conditions, it is found that there is no synergism nor antago-nism between arsenic and such filling materials as ashes, slake lime, talc, charcoalpowder, and calcium phosphate; and that neither soil temperature nor soil moistureact as factors influencing the germination of treated seeds.

(一)用紅砒粉末作為種子消毒處理藥劑,對於幼苗感染性的小麥腥黑穗、小麥稈黑穗及燕麥堅黑穗等,有極良好的防治效果。但對大麥堅黑穗及條斑病,則不見功。(二)紅砒使用得法,對於麥種絕對無害;而且對於大麥、小麥的清潔種子,有積極的增產作用;惟對於燕麥還未能肯定。(三)紅砒粉末的拌種用量,當以種子重的0.025—0.05%為準簧僦?.005%,仍有殺菌效果。(四)為了增大藥物的容積,使得微量的紅砒粉末能够均勻週到地沾着每一麥粒,可用滑石粉、木灰末、甚至消石灰、草木灰或過磷酸鈣來稀释。(五)麥種拌砒後,須經一定期間的貯藏後播種,方顯出其强大的殺菌防病效果珉S拌隨種,則效果较少。至貯藏期間的久暫,則當因季節和用量等等而異。大致可以一個月為度。(六)紅砒使用不得其法,易起藥害。而藥害有無的關键,主耍在於拌砒後貯藏中的濕度,其次才是温度。如充分乾燥,在酷暑的氣候條件(37℃)下,貯藏7個月,尚??無妨礙。至於播種時的地温土濕,則關係極微。(七)紅砒的藥害與麥種處理當時的含水量有密切關係.含水量多,極為蝛U;含水量在12%以下,即安全無礙。(八)在自然狀况下用紅砒處理麥種,應當避去炎夏季節。又麥種拌砒前,必須充分晒乾。拌砒後...

(一)用紅砒粉末作為種子消毒處理藥劑,對於幼苗感染性的小麥腥黑穗、小麥稈黑穗及燕麥堅黑穗等,有極良好的防治效果。但對大麥堅黑穗及條斑病,則不見功。(二)紅砒使用得法,對於麥種絕對無害;而且對於大麥、小麥的清潔種子,有積極的增產作用;惟對於燕麥還未能肯定。(三)紅砒粉末的拌種用量,當以種子重的0.025—0.05%為準簧僦?.005%,仍有殺菌效果。(四)為了增大藥物的容積,使得微量的紅砒粉末能够均勻週到地沾着每一麥粒,可用滑石粉、木灰末、甚至消石灰、草木灰或過磷酸鈣來稀释。(五)麥種拌砒後,須經一定期間的貯藏後播種,方顯出其强大的殺菌防病效果珉S拌隨種,則效果较少。至貯藏期間的久暫,則當因季節和用量等等而異。大致可以一個月為度。(六)紅砒使用不得其法,易起藥害。而藥害有無的關键,主耍在於拌砒後貯藏中的濕度,其次才是温度。如充分乾燥,在酷暑的氣候條件(37℃)下,貯藏7個月,尚??無妨礙。至於播種時的地温土濕,則關係極微。(七)紅砒的藥害與麥種處理當時的含水量有密切關係.含水量多,極為蝛U;含水量在12%以下,即安全無礙。(八)在自然狀况下用紅砒處理麥種,應當避去炎夏季節。又麥種拌砒前,必須充分晒乾。拌砒後,必須貯置高燥處所。

Laboratory test by filter-paper disc method shows that organic mercurials arehighly toxic to the spores of the rice blast fungus.Ethyl mercury phosphate giveslargest inhibition zone,ethyl mercury chloride the next,and phenyl mercuryacetate the smallest of the three compounds tested.With bordeaux mixture,littleor no appreciable distant action has been observed. Cement plot experiment indicates that a mixture of 1 part phenyl mercuryacetate to 5 parts hydrated lime or 1: 15 and 1: 20 ethyl mercury chloride andhydrated...

Laboratory test by filter-paper disc method shows that organic mercurials arehighly toxic to the spores of the rice blast fungus.Ethyl mercury phosphate giveslargest inhibition zone,ethyl mercury chloride the next,and phenyl mercuryacetate the smallest of the three compounds tested.With bordeaux mixture,littleor no appreciable distant action has been observed. Cement plot experiment indicates that a mixture of 1 part phenyl mercuryacetate to 5 parts hydrated lime or 1: 15 and 1: 20 ethyl mercury chloride andhydrated lime applied as dust give much better control of rice blast than bor-deaux mixture.These fungicides are not injurious to rice plant except causing afew necrotic spots on the leaves. Similar results were obtained in field experiments.Plants dusted 2-3 timesduring the growing season yielded 25-158% higher than the untreated.

(一)有机汞剂对稻瘟病菌孢子发芽的抑制作用以谷仁乐生(磷酸乙基汞)为最大,其次为西力生(氯化乙基汞),再次为赛力散(醋酸苯汞) (二)赛力散加消石灰5倍或西力生加消石灰15倍及20倍粉剂对稻瘟有较好的防治效果,对水稻的发育无不良影响,实测无效分蘖相对减少,稻谷稔实率增高,但对稻叶有少许烧伤药斑,在喷粉不均匀和消石灰颗粒大时,此种现象更为明显。(三)赛力散加消石灰5倍在大田生产中防病增产的效果特别良好,喷粉2~3次能增加稻谷产量25~158%,每公顷纯收益129~609元。(四)赛力散(西力生)加消石灰粉剂,在水稻植株上展着良好,降雨後虽被冲洗, ??防病效果仍不低。(五)銅製劑波爾多液對稻瘟病也有一定的防治效果?梢钥隙ㄆ浞啦≡霎a效果低於賽力散消石灰粉,在大田試驗的條件下,每公頃純收益只及賽力散消石灰粉的50%。

Field trials of controlling both downy and powdery mildews of cucumber plants were carried out at the experimental station of the university and at a field plot in a people's commune in Peking. A number of fungicides was employed in these trials in order to compare the effectiveness of copper stearate and Bordeaux mixture with that of Dithane (made in China) against these maladies. The results pointed out that Bordeaux mixture (1:1.5:200—300) and copper stearate (1:4—6:800) were both effective against...

Field trials of controlling both downy and powdery mildews of cucumber plants were carried out at the experimental station of the university and at a field plot in a people's commune in Peking. A number of fungicides was employed in these trials in order to compare the effectiveness of copper stearate and Bordeaux mixture with that of Dithane (made in China) against these maladies. The results pointed out that Bordeaux mixture (1:1.5:200—300) and copper stearate (1:4—6:800) were both effective against the two mildews, however, the latter inhibited the powdery mildew better than the former. A mixture of 1% copper sulphate solution and 5% washing soap solution at a rate of 1:1 mixed without boiling was very effective for controlling the both and gave a higher yield. This mixture was easier in preparation than the copper stearate employed in routine spray. Dithane (1:800) was effective only for controlling the downy mildew, but non-effective for the powdery mildew. The addition of 0.2% colloid sulphur into the Dithane preparation rendered it cffective for controlling the powdery mildew also. Dithane (1:500) caused a little injury to the Peking varieties of cucumber, but 1:800 in concentration was safe. Addition of 0.5% resin solution into Bordeaux mixture increased the effectiveness of the later during the rainy season. According to the record of the disease indices made at various stages during the growth period, it was noted that the effect of the chemical protection became significant only when the disease indices in the non-sprayed plots raised to about 50. Below this level, the increase of yield of the sprayed plots in comparing with those of non-sprayed plots was usually insignificant. The Dithane (1:800) sprayed plots had a yield 27% higher than the non-sprayed controls. In the plots where 2 earlier sprays with copper stearate and 4 later sprays with Bordeaux mixture were made resulted a yield 38% higher than the non-sprayed plots. The net profit increased per Mou by employing 6 sprays of Dithane (1:800) was 22.3 Yuen, while that by 2 sprays of copper stearate and 4 sprays of Bordeaux mixture was 77.3 Yuen. The difference was considered to be due to the loss caused by the damage inflicted by the powdery mildew in the Dithane plots.

在焉連洼及肖家河两个试验中分别比较了热制铜皂液、波尔多液及代森锌对防治黄瓜霜霉病及白粉病所起的作用。试验中肯定了铜皂液(1∶4∶800,1∶6∶800)对霜霉病及白粉病都有一定的抑制作用,波尔多液(1∶1.5∶200—300)对霜霉病的抑制作用稍强于铜皂液,但对白粉病的抑制稍弱于铜皂液。苗期用铜皂液,后期用波尔多液可以获得很好的防治效果。在一个观察区中发现,冷制铜皂液有替代热制铜皂液的希望,因其药效及增产作用都不亚于后者。在多雨的情况下波尔多液中加入1∶200的甲松皂可以增加其药效。代森锌(1∶500,1∶800)对霜霉病有显著的保护作用,但是对白粉病不超任何防治效果。1∶500的浓度对黄瓜的生长有轻微的药害。1∶800全无药害。在1∶800的代森锌液中加入0.16分(=0.2%)的细硫粉时可以兼治霜霉及白粉病,而且获得此铜剂更高的产量,由于这一试区重复少,可以提出来作进一步的试验。代森锌中混入魚藤精作为兼治蚜虫之用时,似乎有一些微小的不良作用,但没有显著的药害。在肖家河点上的生产试验中证明,前期喷2次铜皂液,后期喷4次波尔多液的比无处理区的总产量超出38%,使用1∶800代森辞6次的比无处理区的总产量超出2...

在焉連洼及肖家河两个试验中分别比较了热制铜皂液、波尔多液及代森锌对防治黄瓜霜霉病及白粉病所起的作用。试验中肯定了铜皂液(1∶4∶800,1∶6∶800)对霜霉病及白粉病都有一定的抑制作用,波尔多液(1∶1.5∶200—300)对霜霉病的抑制作用稍强于铜皂液,但对白粉病的抑制稍弱于铜皂液。苗期用铜皂液,后期用波尔多液可以获得很好的防治效果。在一个观察区中发现,冷制铜皂液有替代热制铜皂液的希望,因其药效及增产作用都不亚于后者。在多雨的情况下波尔多液中加入1∶200的甲松皂可以增加其药效。代森锌(1∶500,1∶800)对霜霉病有显著的保护作用,但是对白粉病不超任何防治效果。1∶500的浓度对黄瓜的生长有轻微的药害。1∶800全无药害。在1∶800的代森锌液中加入0.16分(=0.2%)的细硫粉时可以兼治霜霉及白粉病,而且获得此铜剂更高的产量,由于这一试区重复少,可以提出来作进一步的试验。代森锌中混入魚藤精作为兼治蚜虫之用时,似乎有一些微小的不良作用,但没有显著的药害。在肖家河点上的生产试验中证明,前期喷2次铜皂液,后期喷4次波尔多液的比无处理区的总产量超出38%,使用1∶800代森辞6次的比无处理区的总产量超出27%。代森锌区的增产较铜一波区较小的原因在于白粉病较重。根据成本计算,铜皂液一波尔多液处理区因防治而增收的利益为每亩77.3元,而代森锌区刖为22.3元。由此可见,在黄瓜栽培采用上述两种药剂前后喷布6次结果还是有利的。从分期采收及病情指数来看,当无处理区的病情指数在50以下时,药剂的作用还不明显,病情指数在50—90时,药剂的作用便极为明显,指数升到90以上时,此时无处理区已经枯死,而药剂防治区依然可以收瓜。估计代森锌区可以延长收瓜10天,而铜一波区可以延长16天。

 
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