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pyridaben
相关语句
  哒螨灵
    The results showed that pyridaben's half-lives in apple and soil were 7.34 d and 8.62 d.
    结果表明,哒螨灵在苹果和土壤中的半衰期分别为7.34d和8.62d。
短句来源
    Analysis of Imidacloprid and Pyridaben by HPLC
    吡虫啉和哒螨灵的HPLC分析
短句来源
    Studies on the dynamic variation of pyridaben residues in citrus and soil
    哒螨灵在柑桔上的残留动态研究
短句来源
    Residues Dynamics of Pyridaben in Apple and Soil
    哒螨灵在苹果和土壤中的残留动态研究
短句来源
    0.2% airuochongqing EC,15% pyridaben EC and 10% clofentezine-pyridaben FF 2000-3000 times dilution and 20% meothrin EC 2000-4000 times dilution reached 98% effect.
    4.应用4种药剂进行了梨上瘿螨的田间化学防治:施药14d后,0.2%爱诺虫清EC3000倍液、10%哒四螨悬浮液3000倍液、15%哒螨灵EC3000倍液和20%灭扫利EC4000倍液可取得良好的防治效果,其防效分别为100%、99%、100%和98%。
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  “pyridaben”译为未确定词的双语例句
    EXPERIMENTAL RESEARCH ON THE OPTIMIZATION OF PYRIDABEN SYNTHESIS
    哒螨酮合成工艺优化试验研究
短句来源
    A Study on the Latest Technology for Pyridaben Synthesis
    哒螨酮最新合成工艺研究
短句来源
    The effect test of 20% Pyridaben to prevent citrus red mite
    20%扫螨净防治柑橘红蜘蛛的药效试验
短句来源
    Degrading curve of pyridaben EC and WP on citrus leaves is C=2.9556e -0.09708t and C=7.1029e -0.08103t respectively, and half-life is 7.1 and 8.6 days, resulting in a longer persistence of WP in the field.
    乳油和可湿性粉剂在柑桔叶片上的残留消解方程分别为C=2.9556e-0.09708t和C=7.1029e-0.08103t,半衰期分别为7.1和8.6天; 在田间的残效期可湿性粉剂表现较长,而速效性则不及乳油
短句来源
    The half-life of pyridaben in spring and autumn made tea was 0.84±0.04 days and 1.57±1.47 days respectively.
    其成茶的半衰期春茶为084±004天,秋茶为157±147天
短句来源
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  pyridaben
Comparison of the distribution of "adjusted" LC50 values with a distribution of potential environmental exposure concentrations for pyridaben in water indicates minimal acute risk to aquatic organisms.
      
In addition, outdoor acute studies showed that pyridaben degrades rapidly in water, in hours, which supports other laboratory and field studies on the fate of pyridaben in aquatic systems.
      
Outdoor acute aquatic toxicity studies with pyridaben and bluegill sunfish (Lepomis macrochirus) and mysid (Mysidopsis bahia) showed that the 96-h LC50s in site-specific water were significantly greater than in classical laboratory studies.
      
Acute-to-chronic ratios for pyridaben are low for fish and invertebrates, indicating a low potential for residual activity.
      
Chronic laboratory studies indicate that the MATCs for pyridaben and D.
      
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In the laboratory tests conducted in Beijing in 1991, leaves of common bean (Phaseolus vulgaris) were infested with spider mites (Tetranychus truncatus) and sprayed with six commonly used pesticides at sublethal concentrations (LC0-6.7)to examine their impact on the oviposition, egg-hatching rate and settlement of the predacious mite, Phytoseiulus persimilis. The pesticides tested were hexythiazox (50ppm), flufenoxuron (50ppm), amitraz (2ppm), pyridaben (200ppm), biphenthrin (0.2ppm) and cyhalothrin (0.05ppm)....

In the laboratory tests conducted in Beijing in 1991, leaves of common bean (Phaseolus vulgaris) were infested with spider mites (Tetranychus truncatus) and sprayed with six commonly used pesticides at sublethal concentrations (LC0-6.7)to examine their impact on the oviposition, egg-hatching rate and settlement of the predacious mite, Phytoseiulus persimilis. The pesticides tested were hexythiazox (50ppm), flufenoxuron (50ppm), amitraz (2ppm), pyridaben (200ppm), biphenthrin (0.2ppm) and cyhalothrin (0.05ppm). The results showed that hexythiazox and flufenoxuron had no harmful effect on the oviposition and egg-hatching of the predator. Amitraz had no obvious effect on the oviposition of the predator, but reduced egg-hatching rate by 2/3 compared with that in the control. Pyridaben, biphenthrin and cyhalothrin reduced oviposition by 28.3%, 17.8% and 14.4%, respectively. In a greenhouse test, the settlement of P. persimilis on the bean plants was not influenced by hexythiazox, fluofenoxuron or amitraz, but by pyridaben, biphenthrin and cyhalothrin. The settlement rate was 85% on the control plants, but only 25% on the plants treated with pyridaben and 0% on those treated with either biphenthrin or cyhalothrin. These results indicated that hexythiazox and flufenoxuron were safe to P. persimilis, while pyridaben had relatively harmful effect and amitraz, biphenthrin and cyhalothrin were harmful to the predator.

在实验室内用6种农药的非致死浓度(LC_(0-0.7)),处理感染有叶螨卵的菜豆叶,观察对智利植绥螨产卵量和卵孵化率的影响。结果表明:尼索郎(50×10~(-6))和卡死克(50×10~(-6))对智利螨的产卵量和卵的孵化都没有有害影响。双甲脒(2×10~(-6))对智利螨的产卵量无影响,但卵的孵化率仅为对照的1/3。NC-129(200×10~(-6))、天王星(0.2×10~(-6))和功夫(0.05×10~(-6))均能降低智利螨的产卵量,比对照分别减少28.3%、17.8%和14.4%。尼索郎、卡死克和双甲脒不影响温室菜豆上智利螨的定居率,NC-129、天王星和功夫则有严重影响:对照组智利螨定居率为85%,NC-129组的定居率仅为25%,天王星和功夫处理后完全没有定居。试验指出,尼索郎和卡死克对智利螨属安全农药,NC-129对智利螨有较大的影响,双甲脒、天王星和功夫对捕食螨是有害的。

Activity and effect of pyridaben and fenpyroximateon control citrus red mite(CRM),Panonychus citri were evalu-ated in the laboratory and field in Hangzhou, China in1993.Pyridaben was proved to be the most toxic to femaleadults and eggs of CRM with 0.21 and 0.12 ppm of LC50 a-mong the compounds tested. Fenpyroximate was also moretoxic to fernale adults vVith 0.94 ppm of LC50 than fenbutatinoxide,hexythiazox,azocyclotin and propargite , but not so ac-tive to eggs as hexythiazox. It seemed that pyridaben...

Activity and effect of pyridaben and fenpyroximateon control citrus red mite(CRM),Panonychus citri were evalu-ated in the laboratory and field in Hangzhou, China in1993.Pyridaben was proved to be the most toxic to femaleadults and eggs of CRM with 0.21 and 0.12 ppm of LC50 a-mong the compounds tested. Fenpyroximate was also moretoxic to fernale adults vVith 0.94 ppm of LC50 than fenbutatinoxide,hexythiazox,azocyclotin and propargite , but not so ac-tive to eggs as hexythiazox. It seemed that pyridaben at 0.75to 1 pprn and fenpyroximate at 2 to 10 ppm were quite effec-tive on aduIls with more than 90 per cents of the miticidal ac-tivity.The ovidicidal activity for pyridaben at 0.2 to 0. 75 ppmwas about 80 per cents,but for fenpyroximate at 50 ppm only60.7 per cents, Both of them showed not only a quick knock-down activitv on femaLadmts of CRM(the KT50 value forfenpyroximate at 5 and 50 ppm was 19.53 and 7.71 hours, re-spectively),but also had the long residual effect.In field tri-als,pyrodaben and fenpyroximate at 25 to 50 ppm provided theexcellant control efficacy on CRM. They expressed effect onCRM immediately after spraying and remained effective in 40or 30 days.

作者以柑桔全爪螨为供试材料,对杀螨剂一哒螨灵和唑螨酯的空内毒力、杀螨杀卵活性、毒杀作用特点及田间药效等进行研究。结果表明,哒螨灵对雌成螨和卵均具有极高的毒力(LC_50分别为0.21和0.12ppm),其相对毒力指数均居供试六种杀螨剂之首位。唑螨酯对雌成螨也具有较高的毒力(1.C_50为0.94pprm),其相对毒力指数也高于苯丁锡、噻螨酮、三唑锡及克螨特,但唑螨酯对卵的毒力(1.q02O。5ppm)则低于噻螨酮。同时,哒螨灵0.75~1ppm和唑螨酯2~10ppm的杀螨活性均达9O%kx上,哒螨灵0.2~0.75ppm的杀卵活性也达8O%以上,而唑螨酯5Oppm的杀卵活性则为60.7%。二者不仅击倒作用迅速,如唑螨酯5和5Oppm的击倒中时分别为19.53和7.71小时,而且特效期长。田间小区试验表明,15%哒螨灵乳油30oo~4ooo倍和5%唑螨酯悬浮剂1ooo~2ooO倍防治柑桔全爪螨具有较好效只,药后3天即可见效,药效可分别维持40和30天。

Resistant strains of cotton spider niites(T. trunca-tus Ehara)were selected respectively in the laboratoryby monocrotophos,cyhalothrin and dicofol The results ind-cated that the resistant development of the dicofol-resistant$strain were very quick.After seventeen times selection,the resistant level was 1 3 1 3 folds:Thresistant level for cy-ha1othrin-resistant strain was 205 folds(20 times selection):The resistant development for monocrotophos-resistant cottonspider mites strain was slower(13 folds).Monitoring...

Resistant strains of cotton spider niites(T. trunca-tus Ehara)were selected respectively in the laboratoryby monocrotophos,cyhalothrin and dicofol The results ind-cated that the resistant development of the dicofol-resistant$strain were very quick.After seventeen times selection,the resistant level was 1 3 1 3 folds:Thresistant level for cy-ha1othrin-resistant strain was 205 folds(20 times selection):The resistant development for monocrotophos-resistant cottonspider mites strain was slower(13 folds).Monitoring field re-sistance indicated that the resistance for cotton spider mites todicofol developed slowly and resistant levels were lower。Itwas different with resistant selection result in laboratory,per-haps it related to the cotton spider mites strains in the fields,the diffrent environment and so on.Cross-resistance to13 pesticides was evaluated.Invest-gation into monocrotophos-resistant strain suggested thatomethoate, isocarbophos,cyhalothrin and amitraz had positivecross r-esistance to monocrotophos,especially cyhaothrin.Be-fenthrin,fenpropathrin and other selective miticides had nocross-resistance,Test of cvhalothrin-resistant strain indicatedthat fenpropathrin had positive cross-resistance to cy-halothrin,amitraz and pyridaben showed negative cross-resis-tance,but befenthrin, monocrotophos,omethoate, isocarbophosand other selective miticides had no cross-resistance.Dicofol-resistant strain showed strong positive cross-resistance to cy-halothrin and bromopropylate which structure was very sim-lar to dicofol,Perhaps amitraz,pyridaben and azocyclotin hadnegative cross-resistance especially amitraz , but fen-propathrin, befenthrin,other organophosphorous pesticide andselective miticidesh3d no cross-resistance todicob1.Cross-re-sistance has close relation to the structures of pesticides.

用久效磷、氯氟氰菊酯和三氯杀螨醇进行模拟抗性培育结果,以抗三氯杀螨醇叶螨种群的抗性增长速度最快,汰选17次时,抗性高达1313倍;抗氯氟氰菊酯种群次之,抗性为2O5倍(汰选2O次);抗久效磷种群为最慢,抗性为13倍(汰选2O次)。田间抗性监测,棉叶螨对三氯杀螨醇的搞性发展速度较慢,抗性水平较低与室内汰选结果不同。这可能与田间棉叶螨为复合种群和环境条件不同有关。用上三个种群对13种杀虫杀螨剂进行交互抗性研究。抗久效磷种群测定结果,久效磷与氧乐果、水胺硫磷、氟氟氰菊脂和双甲眯之间都有交互抗性,以氯氟氰菊酯的交互抗牲更强(131倍),与氟氯菊酯、甲氰菊酯和其他选择性杀螨剂如三氯杀螨时、泱螨酯、克螨特、唑螨酯、三唑锡等均无交互搞性;用抗氯氟氰菊酯种群测定结果,氯氟氰菊酯与甲氰菊酯有交互抗牲,与氟氟菊酯、久效磷、氧乐果、水胺硫磷以及其他选择性杀螨剂等均无交互抗性,但与双甲脉和哎螨灵之间有负交互抗性;用抗三氯杀螨时种群测定结果,三氯杀蜗醇与结构非常相似的溴螨酯以及氯氟氰菊酯有很强的交互抗性,与哎螨灵、三唑锡和双甲眯之间有负交互抗性,以双甲眯最明显,与甲氰菊酯、氟氟菊酯及其他有机磷农药和选择性杀螨剂均无交互抗性

 
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