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   mildew 在 植物保护 分类中 的翻译结果: 查询用时:0.014秒
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mildew     
相关语句
  霉菌
    Rate of diseased leaf and diseased plant of which were induced with supended liquid of heat—killed spore of Downy Mildew of cucumber wrer 53.11% and 30.00% lower, respectively, than that of the control, relative immunization efficiency was 1.48%.
    经霜霉菌孢子囊悬液诱导处理的植株,病株率比ck降低30.00%,病叶率降低53.11%,相对免疫效果为1.48%。
短句来源
    The results show that formaldehyde at the concentration of 6% to 8% and bromogeramine at the concentration of 4% to 5% all have better inhibition action to mildew and bacterium.
    结果表明 :4 %~ 5 %的新洁尔灭溶液和 6 %~ 8%的甲醛溶液对木霉菌及枯草芽孢杆菌有较好的抑制作用 ;
短句来源
    1% Capton also has better inhibition action to mildew.
    1%的克霉灵溶液对木霉菌也有较好的抑制作用。
短句来源
    Effect of Temperature and Humidity on the Mildew Growth in Stored Tobacco
    温度·湿度对贮藏片烟霉菌影响的研究
短句来源
    Cucumber downy mildew,caused by Pseudoperonospora cubensis Rostow,is a major disease of cucumber.
    黄瓜霜霉病菌是由古巴假霜霉菌(Pseudoperonospora cubensis Rostow)引起的侵染性病害。
短句来源
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    Testing of controlling effect and production preserving in different doses was carried out. It was suggested that effects of 900 - 1200g/hm2 Sulphur + Triadimefon, 45 - 60g/hm2 Myclobutanil, 37.5 - 45/hm2 diniconazole on Wheat Powdery Mildew were better.
    用其不同剂量进行防效保产试验,结果表明锈灵900~1 200g/hm2、特谱唑45-60g/hm2、腈菌唑37.5~45g/hm2防治小麦白粉病可取得良好的防效。
    The relation of mildew and rot of bamboo wood with species of fungi and chemical composition of bamboo wood is discussed in this paper.
    本文依据作者对竹材化学成分、竹材腐真菌和竹材防防腐技术多年研究的结果 ,以及其他相关资料 ,探讨了竹材腐与真菌种类、竹材化学成分的关系。
短句来源
    1% Capton also has better inhibition action to mildew.
    1%的克灵溶液对木菌也有较好的抑制作用。
短句来源
    The results show that 72% Curzate WP, 72% Cymoxanil . Mancozeb WP and 72.2% Previcurn AS against cucumber mildew, while 40% Pyrimethaml SC, 40% Scala SC and 50% Carbendazin . Diethofencarb Wp against tomato grey mould have much controlling efficacy.
    对这3种病虫害的药剂防治技术的研究结果表明,72%克露WP、72%霜脲·锰锌WP和72.2%普力克水剂对黄瓜霜病,40%嘧胺SC、40%施佳乐SC和50%多·威WP对番茄灰病均有较好的效果;
短句来源
    The results of field trial showed that the mixture of junduqing and prompamocarb 20%AS had good effect for controlling cucumber downy mildew. The effect was 74.04%~79.64% at the dose of 130~160g/667m2 after 7 days,and reached to 82.28%~87.16% after 14 days. which were equal to that of the same dose of prompamocarb 35%AS.
    保护地田间试验结果表明,20%菌毒·霜水剂在130、160mL/667m2剂量下,药后7d防效分别为74.04%、79.64%,药后14d防效为82.28%~87.16%,在相同的用量下效果与霜威单用相当,且持效期较长,对黄瓜安全,是防治黄瓜霜病的较好药剂。
短句来源
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  霉病
    Study on the Occurrence and Control of Grey Mildew of Strawberry
    草莓灰霉病的发生和防治研究
短句来源
    The fungal diseases were Leek downy mildew (Peronospora schleidenii), Leek rust(Puccinia allii), Garlic gray mold and Chinese chives gray mold (Botrytis allii), Garlic green mold (Penicillium cyclopium), Leek purple blotch and Garlic leaf blight (Alternaria porri), Leek black mold and Garlic black spot (Stemphylium botryosum) .
    已查明福建省的葱蒜类蔬菜真菌性病害有葱霜霉病(Peronospora schleidenii)、葱锈病(Puccinia allii)、蒜和韭菜灰霉病(Botrytis allii)、大蒜青霉病(Penicillium cyclopium)、葱紫斑病和大蒜叶枯病(Alternaria porri)、葱黑霉病和大蒜黑斑(紫斑)病(Stemphylium botryosum)。
短句来源
    The Experiment with Score 10WG for Controlling Tomato Leaf Mildew in Greenhouse
    10%世高防治大棚番茄叶霉病试验
短句来源
    At concentration of 0.1μL/mL, cucumber scab(Botrytis cinerea),cucumber gray mold(Cladosporium cucumerinum), cucumber powdery mildew(Erysiphe cucurbitacearum) and cucumber downy mildew(Pseudoperonospora cubensis)could be controlled.
    0.1μL/mL浓度下,大蒜提取液能有效地控制黄瓜黑星病(Cladosporium cucumerinum)、黄瓜灰霉病(Botrytis cinerea)的侵染,有效地防治田间黄瓜白粉病(Erysiphe cucurbitacearum)和黄瓜霜霉病(Pseudoperonospora cubensis)的发生。
短句来源
    Results indicated that the descending order of importance in the three factors ( A, B, C ) to control of mildew shallac were C>B>A.
    三因素在紫胶霉病的综合防治效果中重要性顺序为C>B>A,F值查明C有极显著差异,A、B差异不显著;
短句来源
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  霜霉病
    A STUDY ON ARTIFICIAL INOCULATION OF CUCUMBER DOWNY MILDEW
    黄瓜霜霉病人工接种技术研究
短句来源
    A Prelimiinary Study on Downy Mildew(Sclerophthora macrospora) of Wheat
    小麦霜霉病(sclerophthora macrospora)初步研究
短句来源
    Study on Efficacy of Systemic and Contact Fungicide Mixtures (ND─901,ND─903)in Controlling Downy Mildew of Plastic Greenhouse Cucumbers
    ND—901、ND—903杀菌混剂防治大棚黄瓜霜霉病的研究
短句来源
    These two plant extracts had an inhibiting action on the germination of zoospores of downy mildew of melon and their inhibiting efficiencies were respectively 48.2% and 25.3%.
    上述2种植物提取液对甜瓜霜霉病菌游动孢子萌发的抑制率分别为48.2%和25.3%。
短句来源
    Indoor pot tests of controlling the downy mildew showed that the control efficiencies at 7 days after spraying the two extracts were 51.4% and 31.3%,respectively. The field tests showed that their control efficiencies at 7 days were 48.8% and 22.6%,respectively.
    对甜瓜霜霉病的室内盆栽试验结果表明,喷雾7d后的预防效果分别为51.4%和34.3%,田间试验的防效则分别为48.8%和22.6%。
短句来源
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  mildew
It can be degraded by microorganisms such as mildew.
      
A mildew strain with high cellulase activity was isolated from mildewy maize cob and classified as Aspergillus glaucus XC9 by morphological and 18S rRNA gene sequence analyses.
      
Endogenous Abscisic Acid in Wheat Plants upon Inoculation with the Powdery Mildew Causative Agent (Erysiphe graminisf.
      
We studied the dynamics of the abscisic acid content in above-ground parts of wheat cultivars with different resistance against powdery mildew.
      
It was assayed by the HPLC method in healthy and diseased (inoculated by the powdery mildew causative agent) plants (from inoculation to the stage of pathogen spore formation).
      
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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...

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。

The autumnal incidence of the downy mildew of Chinese cabbage in North China occa-sionally caused a serious damage.Overwintered as well as oversummered oospores were con-sidered to be the most important primary source of infection of this disease in Peking,Tien-tsin and other localities of North China.A large amount of oospores was found in the dis-eased leaf-tissues collected from both spring and autumn Chinese cabbage crops.Seedling in-fection by soil-borne oospores from the previous crop had been demonstrated.However,seed-ling...

The autumnal incidence of the downy mildew of Chinese cabbage in North China occa-sionally caused a serious damage.Overwintered as well as oversummered oospores were con-sidered to be the most important primary source of infection of this disease in Peking,Tien-tsin and other localities of North China.A large amount of oospores was found in the dis-eased leaf-tissues collected from both spring and autumn Chinese cabbage crops.Seedling in-fection by soil-borne oospores from the previous crop had been demonstrated.However,seed-ling infection by seed-borne oospores or mycelium was precarious.Some seed samples of theChinese cabbage variety“Chiaochowpai”obtained from Shantung province were contaminatedwith oospores.Apparently such seeds were produced from heavily attacked seedplants.Never-theless,oospores had never been detected in seed samples of various varieties collected fromPeking and Tientsin during 1961-1962.Mycelium was detected to hibernate in seed coats ofsome samples collected from the infected capsules of late grown seed-plants.The phenomenon of the limited systemic infection of the downy mildew of Chinese cabbageseedlings was reported for the first time.This pathogen was revealed to penetrate thehypocotyl,spread upward,pass the cotyledons and finally enter the first pair of true leaves,but never the second pair.The writers were of the opinion that the limited systemic infec-tion of the seedlings constitutes the initial stage of epiphytotics of this disease.

在北京和天津等地调查研究了大白菜霜霉病的初侵染来源问题,并对幼苗的有限系统侵染现象进行了研究。卵孢子是初侵染的重要来源,华北和东北各主要白菜产区的白菜病叶和菜田土壤中存在有大量霜霉病菌的卵孢子。这些卵孢子可以侵染幼苗而引起发病,在田间形成初发病株成为再侵染的来源。田间卵孢子一年不止形成一次,春菜上形成的卵孢子到秋季即可侵染。种子带菌情况因地区而异。山东“胶州白”因种株上易罹病害,莢果组织中的卵孢子可以夹在种子间传播。1961—1962年在京津两地收集的种子上未检查到卵孢子。唯在部分春播采种的种子上,病菌菌丝可潛伏于种皮中并产生孢子囊。以菌丝在留种株上潛伏而在次年带到田间成为春菜初侵染来源的可能性仍需进一步研究。首次报导了大白菜幼苗上 Peronospora parasitica 的有限系统侵染可以达到第一对真叶。病菌从茎基部侵入后,菌丝向上扩展进入子叶和第一对真叶,但不进入第二对真叶。田间最早发生的病株大多是有限系统侵染的。这一发现对了解病害流行起点是有帮助的。

The downy mildew of lettuce is a widely distributed disease in Chengtu. It is found on lettuce all the year around, but the severest infection occurs during the early spring. The viability of sporangia is lost in 7-10 days. In the diseased, tissues of leaf, stem and seed, no oospore has been found. Field observations and experimental results indicate, that hibernating organ of the pathogene might be mycelia in the infected seed and the infected tissue in soil, both of which were considered to be the primary...

The downy mildew of lettuce is a widely distributed disease in Chengtu. It is found on lettuce all the year around, but the severest infection occurs during the early spring. The viability of sporangia is lost in 7-10 days. In the diseased, tissues of leaf, stem and seed, no oospore has been found. Field observations and experimental results indicate, that hibernating organ of the pathogene might be mycelia in the infected seed and the infected tissue in soil, both of which were considered to be the primary sources of infection. In Chengtu there is no severe winter and summer, the climatic condition are favorable for the growth of Bremia lactucae on lettuce in the fields, and the lettuce is cultivated all the whole year round. Field observations indicate that the pathogene is so able to infect the plant in all seasons. Over-wintering or over-summering in vitro is therefore unnecessary. Six species and a variety of Compositae were artificially inoculated, the results show that, Lactuca chinensis, Crepis japonica, Taraxacum mongolicum, Sonchus oleraceua, Sassurea offinis and. Lactuca sativa (foliage lettuce) are immune, the Lactuca sativa L. var. angustana is susceptible and it appeares that there are varietal differences in susceptibility.

成都萵笋霜霉病菌孢子囊寿命很短,生活力只能維持7—10天。在病叶、茎及种子中,均未发現卵孢子。其初侵染来源可能是种子或病組織中潛藏的菌絲。調查結果表明,萵笋霜霉病菌可以藉气流或水流終年侵染,不在活体外休眠。 萵笋霜霉病菌寄主范围小,在6种菊科植物上接种未获成功,表現出明显的专化現象,品种間抗病性亦有显著的差異。

 
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