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田间防治效果     
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  field control effect
     The pot and field experiments were conducted using the powdered pine bark to treat soil The results indicated that the forest wood waste eased the soybean disease caused by Heterodera glycines, Field control effect was 46.88%, the cyst number in soil was reduced.
     利用林木加工废弃物松树皮粉作为土壤处理剂的盆栽和田间研究结果表明 ,松树皮粉剂处理土壤后 ,减轻了大豆孢囊线虫对大豆根系的侵染与为害 ,根系寄生孢囊数和土壤孢囊量明显降低 ,对大豆孢囊线虫病的田间防治效果为 4 6 .88%。
短句来源
  field control effects
     The Field Control Effects of the Endophytic Antibacteria FermentedLiquid of Citrus to Sclerotinia Sclerotiorum (Lid)de Bary
     柑桔内生拮抗细菌的发酵液对油菜菌核病的田间防治效果
短句来源
     Virulence of Metarhizium anisopliae to Spodoptera mauritia (Boisduval) and Leucania separata Walker and its field control effects
     绿僵菌对草坪灰翅贪夜蛾和粘虫的毒力及田间防治效果
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  “田间防治效果”译为未确定词的双语例句
     Applying Triadimefon with effective concentration of 100 ppm, 200 ppm, under laboratory condition, the rate of fungistasis is 83.13%, 74.63% respect-ively. Spraying Triadimefon with effective concentration of 250ppm,375ppm, the effect of control of rust disease is 94,0% and 94.3% in the fields.
     粉锈宁100ppm、200ppm室内抑菌率分别达83.13%、74.63%,250ppm、375ppm田间防治效果达94.0%和94.3%。
短句来源
     In field trials, azadirachtin 0.3% EC provided good controlof citrus rust mites, with 82.9 and 94.14% control 3 and 5 d, respectively, after application.
     田间试验表明,0.3%印楝素EC对柑桔锈螨有较好的田间防治效果,施药后3、5d的平均螨口减退率分别为82.9%和94.14%。
短句来源
     The control effectiveness of the above fungicides ranged 78.0~91.4% in the field test. Among them, 1500 ppm 58% metalaxyl and 750 ppm 70% mancozeb +750 ppm 75% chlorothalonil showed very good effects of controlling the fungus(89.6% and 91.4% respectively).
     上述药剂田间防治效果为78~91.4%,其中,58%甲霜灵锰锌1500ppm和70%代森锰锌75bpp+75%百菌清750ppm的防效最好,分别为89.6%和91.4%;
短句来源
     the efficacies of 25 g·L~(-1)deltamethrin EC at the dose of 0.375 and 0.450 L·hm~(-2) were 74.88% and(81.18%),respecctively. It suggested that deltamethrin could control C.
     0.375、0.450 L.hm-22种剂量的25 g. L-1溴氰菊酯乳油对二化螟的田间防治效果分别为74.88%、81.18%,显著高于200 g.
短句来源
     In details, the effects of 2.5% Cyhaothrin EC 6000X on the third instar larvae of tea caterpillar indoor and in the field, and the effects on the two natural enemies indoor were 93.5%, 89.6%, 10.0% and 5.7%, respectively;
     2 .5%功夫乳油 6 0 0 0倍对茶毛虫 3龄幼虫的室内杀虫效果、田间防治效果及对茶毛虫黑卵蜂和绒茧蜂的室内杀虫效果分别为 93.5%、 89.6 %、 10 .0 %、 5.7% ;
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  相似匹配句对
     Control efficacy in field reached 70% .
     田间防治效果达70%。
     and was 60 -70% for the outdoor experiment.
     田间防治效果约为60-75%。
短句来源
     In the field application trials against the Asian corn borer larvae, an over 80% control effect was achieved.
     田间防治玉米螟的效果达80%以上。
短句来源
     The maximum control rate of 45.32% was also attained in field experiment.
     田间试验防治效果达到45.32%。
短句来源
     Control Effects of Disease Resistant Pharmaceuticals on Pyricularia oryzae in Fields
     诱抗剂田间防治稻瘟病效果试验
短句来源
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In recent years,the Rhizoctonia blight of rice in southern part of Kiangsi province hasassumed an epidemic scale.The disease was found to be encouraged by close planting and high nitrogen fertilization.In general,semi-glutinous rice varieties were more susceptible than non-glutinous and glutinous.There were also varietal difference in susceptibility within each group.Effectiveness of sweeping out the sclerotia off the flooded fields before planting and apply-ing fungicidal materials on flooded fields before...

In recent years,the Rhizoctonia blight of rice in southern part of Kiangsi province hasassumed an epidemic scale.The disease was found to be encouraged by close planting and high nitrogen fertilization.In general,semi-glutinous rice varieties were more susceptible than non-glutinous and glutinous.There were also varietal difference in susceptibility within each group.Effectiveness of sweeping out the sclerotia off the flooded fields before planting and apply-ing fungicidal materials on flooded fields before planting and on growing plants in diseasecontrol were studied.Application of 1,500 kg.per hector of tea seed cake before plantingappeared to be promising.

近年来水稻纹枯病在江西南部地区发生普遍而严重,已成为水稻丰产的障碍。株间光照弱,温度高,通风不良,相对湿度高会促进病害的严重发生。在农业栽培措施中,肥料,尤其是氮素肥料对发病影响最大,氮肥愈多病害愈重,肥料配合与施用方法和插秧密度也影响病害的发生,分蘖后浅水灌溉,发病较轻,合理落水晒田可抑制病势发展,不当的栽培技术引起水稻倒伏,会促进病害剧烈发展,而病害的加重又促进植株倒伏。水稻感病程度的轻重依次为粳、籼、糯。粳稻一般发病较重。品种间抗性差异极大,但尚未见免疫品种。同一品种不同品系也有差异,经过选育的新品系,抗病程度有一定增强。在防治上,捞除田间菌核有一定防病作用。插秧前,利用药剂消毒、稻田淹水层,防病增产效果较大,其中茶籽饼液药效最好,田间防治效果71.5—95.8%,增产稻谷6.8—47.3%。消毒早稻田后,对晚稻防病增产仍有残效。

(Hyponomeuta malinella Zeller) (100 -400μ) (0.28 -2.25μ0.53μ). 45% 45 45% 45% (1: 1). 7,5-10 1-1.5 77.9-94.3%, 73.3-74.3%. 30

苹果巢蛾(Hyponomeuta malinella Zeller)幼虫巢网孔隙約为0.28—2.25微米,平均0.53微米,一般噴雾液滴約100—400微米,无法喷入网內。利用烟剂毒杀幼虫药效测定結果証明:45%六六六烟剂不及45%滴滴涕烟剂和六六六-滴滴涕混合烟剂(45%等量六六六和滴滴涕)。每公頃用六六六-滴滴涕混合烟剂15—20斤,风速1—1.5米/秒,于越冬幼虫出鞘活动初期,日落后采用定点或定点与移动相結合的方法施烟一次,田間防治效果达77.9%—94.3%;平均示范防治效果为74.3%、73.3%。烟剂防治效果高于敌百虫,稍遜于对硫磷噴雾,且施药安全、防治費低,比噴液提高工效30倍,适于大面积应用。

The author made studies,in 1973-1977,concerning the use of high active ingredient content granular preparation of insecticides applied in reduced quantities for corn borer (Ostrinia nubilalis Hubner) control.The object was to compare the effectiveness of control using granule preparations of various relatively high proportions of active ingredient in conjunction with corresponding reduction in the amount of granules to be applied in order to be comparable on the basis of equal quantity of insecticide application...

The author made studies,in 1973-1977,concerning the use of high active ingredient content granular preparation of insecticides applied in reduced quantities for corn borer (Ostrinia nubilalis Hubner) control.The object was to compare the effectiveness of control using granule preparations of various relatively high proportions of active ingredient in conjunction with corresponding reduction in the amount of granules to be applied in order to be comparable on the basis of equal quantity of insecticide application per unit.The results of study showed that,to a large extent,the effectiveness of the "high content with low rate of application" was similar to that of the "low content with high rate of application".Phoxim,for example,used on the basis of 4 grams per mu,0.25kg.of the 1.6% granular preparation and 4kg.of the 0.1% granular preparation gave similar results of approximately 80% control.With the case of Parathion,on the basis of 40 grams per mu,0.5kg.of the 8% granular preparation and 4kg.of the 1% granular preparation both resulted in control exceeding 90%.Similar results were observed with Diazinon and Permethrin granules tested.The present modification of insecticide granule application may be more suitable for pest control by machinery.Laboratory toxicity tests and plant residue determination were made in connection with,and for substantiation of,field tests.

1973—1977年,作者研究了防治玉米螟颗粒剂的“高含量、低用量”问题,即在单位面积上有效成分用量相等下,探讨逐步提高颗粒剂中有效成分含量而又按比例减少单位面积上颗粒剂用量的防治效果的相关性。结果证明,在相当大的范围内,高含量、低用量可以代替低含量、高用量。每亩用辛硫磷4克时,1.6%颗炷剂每亩用0.5斤与0.1%颗粒剂每亩用8斤均可获80%左右相似的防治效果;每亩用对硫磷40克时,8%颗粒剂每亩用1斤与1%颗粒剂每亩用8斤均可获90%以上防治效果。对地亚农和二氯苯醚菊酯试验亦获类似结果。 颗粒剂应用这一改革,有利于成品化和机械施药,并可显著降低防治成本。 同时,还做了室内毒力测定及在玉米上残效作用测定,以验证田间防治效果。 近二十年来,国内、外一直把颗粒剂做为防治玉米心叶期玉米螟(Ostrinia nubilalis hubner)的有效手段。我国自五十年代末已开始研究和应用滴滴涕、六六六等颗粒剂防治玉米螟,获得了高于六六六药液灌心的防治效果(邱式邦等,1961;邱式邦等,1963;慕立义,1963)。但由于颗粒剂用量大、费用高而未能成批生产。土法生产、群制群用的颗粒剂亦存在着缺点:(1)加工...

1973—1977年,作者研究了防治玉米螟颗粒剂的“高含量、低用量”问题,即在单位面积上有效成分用量相等下,探讨逐步提高颗粒剂中有效成分含量而又按比例减少单位面积上颗粒剂用量的防治效果的相关性。结果证明,在相当大的范围内,高含量、低用量可以代替低含量、高用量。每亩用辛硫磷4克时,1.6%颗炷剂每亩用0.5斤与0.1%颗粒剂每亩用8斤均可获80%左右相似的防治效果;每亩用对硫磷40克时,8%颗粒剂每亩用1斤与1%颗粒剂每亩用8斤均可获90%以上防治效果。对地亚农和二氯苯醚菊酯试验亦获类似结果。 颗粒剂应用这一改革,有利于成品化和机械施药,并可显著降低防治成本。 同时,还做了室内毒力测定及在玉米上残效作用测定,以验证田间防治效果。 近二十年来,国内、外一直把颗粒剂做为防治玉米心叶期玉米螟(Ostrinia nubilalis hubner)的有效手段。我国自五十年代末已开始研究和应用滴滴涕、六六六等颗粒剂防治玉米螟,获得了高于六六六药液灌心的防治效果(邱式邦等,1961;邱式邦等,1963;慕立义,1963)。但由于颗粒剂用量大、费用高而未能成批生产。土法生产、群制群用的颗粒剂亦存在着缺点:(1)加工时不但造粒、选粒用工多,而且粒度、有效成分的含量及在载体上的分布均难以规格化,药效不够稳定;(2)加工所用的毒剂?

 
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