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防治效果明显
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  integrated control effect
    Describes the integrated control effect of Valsa sordida of local poplar, Populus gansuensis. The incidence in control plot was reduced to 1.0% and disease index was reduced to 0. 3 as compared to 58. 8% and 25. 8 in check plot respectively. Integrated control effect was 98. 8% and economic effect was obviously indicated.
    通过实施杨树烂皮病的综合防治措施,防治区的发病率减小到1.0%,感病指数为0.3,而对照区发病率为58.8%,感病指数为25.8,防治效果明显达98.8%,经济效果显著。
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  “防治效果明显”译为未确定词的双语例句
    The control effects of spraying 15% triadimefon wettable powder are excellent.
    喷洒15%粉锈宁可湿性粉剂防治效果明显
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    The results of field efficacy trails showed that the e fficiencies of 1, 3, 8 days after treatment of Kuailing (90%WP) at the concentra tion of 1∶3?
    试验结果表明  :,快灵 90 %可湿性粉剂 30 0 0倍液在施药后 1、3、8天对烟青虫的防治效果明显高于米螨 2 4 %悬浮剂 1 50 0倍液 ;
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    The results indicated that 0.6% H2O2 was effective to control powdery mildew of cucumber. The incidence of powdery mildew of cucumber drop to 24.54% after used it. Compared with 0.5% Triadimefon, Its efficacy reached 67.94%.
    本文研究了医用消毒剂双氧水(H2O2)对保护地蔬菜病害的防治效果,结果表明,双氧水对黄瓜白粉病防治效果明显,其中0.6%的双氧水三次用药后发病率降到24.54%,防治效果达到67.94%,比0.5%粉锈宁的防治效果(61.44%)好。
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    In the incubate stage of the first generation grub 4.5% beta-cypemethrin,2.5% deltamethrin 2000fold dilution,2.5% diflubenzurou,1%BT1000~1500-fold dilution etc. were applied and the control efficiency reached 75.7%~87.4%,the results were remarkable.
    在幼虫初孵期分别用4.5%高效氯氰菊酯、2.5%敌杀死乳油2 000倍液,2.5%灭幼脲1号、1%杀虫素(Bt制剂)1 000~1 500倍液等药剂防治,效果明显,校正防效达75.7%~87.4%。
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    Through the comparison of the mixture of AL and L32 with single bacterial plant,control effects of mixture bacterial plant was higher than single bacterial plant.
    实验菌种为AL和L32两株菌株,通过2菌株混用与各菌株单独使用进行室内生物测定,结果表明混用后的防治效果明显高于菌株单独使用的防治效果。
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Investigation in Ⅰ983—Ⅰ985 shows sugarbeet crops inlioaning Province are damagad by about Io sorts of sugarbeet curculio It include: phacephons umbratus Faldermann; Xylinophorus mongolicus; Faust Bothnoderes strabus Gyll; Chromonotus bipunctatus Zoubkoff; Bothnoderes punctvientris Germ; Chromoderus declivis Olivier; Pachycerus cosatulus Faust; Pleurocleonus sollicitus Gyllnbl; Cleonus freyi Zumpt; Gronops sp; Among them Bothynoderes puncti ventris Germar is predominat in Jianping county. It take about 75.40-91.16...

Investigation in Ⅰ983—Ⅰ985 shows sugarbeet crops inlioaning Province are damagad by about Io sorts of sugarbeet curculio It include: phacephons umbratus Faldermann; Xylinophorus mongolicus; Faust Bothnoderes strabus Gyll; Chromonotus bipunctatus Zoubkoff; Bothnoderes punctvientris Germ; Chromoderus declivis Olivier; Pachycerus cosatulus Faust; Pleurocleonus sollicitus Gyllnbl; Cleonus freyi Zumpt; Gronops sp; Among them Bothynoderes puncti ventris Germar is predominat in Jianping county. It take about 75.40-91.16 per cent in total number of occurrence. And Xylinophorus mongolicus Faust is the most dominantpopulation in Taian, Zhangwu, Heishan and Changtu counties. It is about 92.75-99.42% of sugarbeet curculio number. And apart from Xylinophorus mongolicls Faust, other 9 sorts of sugarbeet curculio are first descovered in this inves tigation.

1983~1985年研究表明,在辽宁省为害甜菜的象虫有:甜菜毛足象、蒙古土象、甜菜象、三北甜菜象、二班尖眼象、黑斜纹象、脊翅小粒象、二脊象、中国方喙象及甜菜碗额象等10种,其中甜菜象Bothynoderes Punctiventris Germar)为建平地区优势种,占总发生量75.40~91.16%,蒙古土象Xylinophorus mongolicas Faust为台安、彰武、黑山、昌图等地优势种,占总发生量92.75~99.42%。除蒙古土象外,在辽宁省其余9种象虫均为本次调查新记录的。 1983~1987年对甲基硫环磷闷种防治甜菜象虫进行了开发试验,并在20余万亩甜菜面积上(占全省播种面积94%)进行推广应用。其配方为种子:水:35%甲基硫环磷乳油=100:400:2.0,取得了显著防治效果,其毒苗杀虫率为85%以上,保苗率91.8~98.1%,一般挽回产量13~17%,严重地块可挽回50%以上,增糖0.5度,并能兼治黑绒金龟子等其它苗期害虫。防治效果明显、简便易行,投资比为1:64,经济效益高,每年增收535万元并对地上部分害虫天敌无杀伤作用。

Chemotherapy was carried out from 1984 to 1987. Pyquiton was given to patients with positive stool and to those who were positive in serological examination(known as extending chemotherapy). The dosage used was 50mg/kg body weight, administered orally, twice a day. By the same time either 1.5~2mg/kg of nithiocyamine(Amoscanate)intravenously or a single dose of 30mg/kg of pyquiton orally. was given to cows and buffaloes.

在血吸虫病重流行区采用毗喹酮50mg/kg1d疗法、对粪检阳性者化疗、对疑似患者扩大化疗的对策,连续3年,防治效果明显,人群感染率下降74.90%,3~9岁儿童感染率下降87.74%,感染度(EPG)下降94.07%,居民点周围(100m内)钉螺阳性率下降91.52%,5岁以下儿童已无新感染,短期内控制血吸虫病的流行。

In laboratory experiments,several bioassay methods were used to evaluate the activities of buprofezin against brown planthopper(BPH,Nilaparvata lugens)nymphs.Results showed that the contact effect is the major mode of action of buprofezin.Although it also possesses systemic action,this has no practical impo tince in field control.Buprofezin showed no effects on the nymphs confined to the rice leaf sheathes when only the leaves were treated with buprofezin.In field exper.ments,buprofezin showed much higher efficacy...

In laboratory experiments,several bioassay methods were used to evaluate the activities of buprofezin against brown planthopper(BPH,Nilaparvata lugens)nymphs.Results showed that the contact effect is the major mode of action of buprofezin.Although it also possesses systemic action,this has no practical impo tince in field control.Buprofezin showed no effects on the nymphs confined to the rice leaf sheathes when only the leaves were treated with buprofezin.In field exper.ments,buprofezin showed much higher efficacy in controlling both the BPH and the whitebacked planthopper(WBPH,Sogatella furcifera)than the conventional insecticides MIPC and methamidaphos.The number of planthoppers was suppressed to a very low level within a long period of more than 1 month after treatment by 37.5-75g(AI)/ha.of buprofezin,Field experiments also indicated that buprofezin had little detrimental effects on spicers which are important natural enemies of planthoppers.

在室内以不同生测方法测定了噻嗪酮对褐飞虱若虫的毒力,结果表明:噻嗪酮对褐飞虱若虫的活性主要是触杀作用;噻嗪酮也具有一定的内吸作用,但难以由叶片渗透转移到叶鞘部位起杀虫作用。在田间试验中,噻嗪酮对褐飞虱和白背飞虱的防治效果明显高于叶蝉散和甲胺磷,以每亩2.5~5克有效成份的剂量在褐飞虱大发生代前一代的若虫中期施用,既有效控制了当代飞虱,又压低了大发生代飞虱的数量。在田间试验中,噻嗪酮对稻田蜘蛛的数量影响很小。

 
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