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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
As part of the field efficacy trials, approximately 22 500 hectares of balsam fir sawfly-infested forest were aerially treated with NeabNPV between 2000 and 2005.
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The effects of weather conditions and two parasitoid quality attributes, realized fecundity and host acceptance, were assessed on the field efficacy of mass-released Trichogramma minutum.
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Quality parameters based on parasitoid biology were not effective for predicting field efficacy if poor weather conditions persisted after a release.
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To evaluate the field efficacy of the ELISA test, 334 serum samples were collected from cows raised at farms in Galicia for a serological survey.
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Field efficacy of deltamethrin in reducing damage caused by Thrips tabaci Lindeman (Thysanoptera: Thripidae) on early white cabb
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With this technique, the field responses over a bandwidth for each rotation angle are coherently measured, and the fast Fourier transform is applied to obtain the range profile.
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Field responses of Gortyna xanthenes (Germar) males to traps baited with different mixtures of the female sex pheromone components were evaluated in an artichoke field.
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Electroantennogram, wind tunnel and field responses of male Mediterranean corn borer, Sesamia nonagrioides, to several blends of
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We discuss these results withrespect to potential field responses followingexposure to treated sewage effluents andbiological monitoring programs.
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The effects of sotalol were also examined on alpha and beta receptor-mediated field responses in the in vitro hippocampal slice.
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Electric Field Effects on Photoconductivity and Electronic Absorption Spectra of Photogeneration Sites in Amorphous Molecular Se
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Background-field effects in astrometric microlensing
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Crystal-field effects in the intermediate-valence compound YbCu2Si2
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Peculiarities of crystal field effects in CeInCu2 based heavy-fermion compounds
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Magnetic field effects on the phonon thermal electromotive force in n-Bi-Sb semiconducting alloys
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| | Sodium sulfanilate (sodium salt of p-amino-benzenesulfonic acid) was found to be effective against Uromyces phaseoli (Pers) mint Var. Vignae (Barcl.) Arth on asparagus long bean (Vigna sesquipedalis Fruvvirth) , decreasing pustule formation by 84.38%. In combination with colloidal sulfur containing 45% of sulphite by product of pulp the test compound showed better control of the leaf rust by improving both the deposition and persistence of the spray. With a further addition of copper sulfate the tank mix (1... | | 敌锈钠(对氨基苯磺酸钠)对单胞柄锈菌属(Uromyces)引起的长豇豆锈病具有明显的防治效果,在温室内可减少夏孢子堆产生量84.38%,与胶体硫混用,能更好发挥其在田间的效果。在敌锈钠胶体硫混合剂中加入少量硫酸铜则除锈病外,还可兼治赤斑病,防病效果分别可达55.11~91.5%和58.62~76.84%,比不喷药区增产的幅度为10.08~48.40%。 敌绣钠对长豇豆很安全,浓度高达1:50都没有药害产生;敌、胶、铜混合剂对长豇豆的开花结荚不但没有不良影响,看来还可提高结荚率。 | | 文摘来源 | | A parasporal crystal forming bacillus was isolated from the soil samples collected near the Niang Zi Guan,Shanxi province.This bacillus which has the tpyical characteristics of Bacillus thuriengiensis is named the no.BT—37.The feature in morphology and the insecticidal activity are discribed,the productivity and the effect on some insects in field are studied.Insecticidal bacillus BT—37 is suitable for industrial production.As a biological insecticide,it has some common feature as others:it is not toxicity ... | | 从山西省娘子关瀑布附近的土壤中分离到一株产晶体的芽孢杆菌,具有苏芸金杆菌(Bacillus thuringiensis)的典型特征,编号为 BT——37。该菌伴孢晶体呈园菱形、颗粒状等多种形态。一个芽孢产生一个大晶体的同时,往往又脱落一个或2~3个小晶体。室内生测表明,发酵液对蚁蚕半小时死亡率为82%,2小时达96~100%。稀释4800倍,24小时死亡率97%;对杨树毒蛾、菜青虫有较高毒力;对棉铃虫、粘虫也有一定毒杀作用;对孑孓无效,不影响草蛉幼虫的发育。是一种较有前途的防止鳞翅目害虫的新菌株。本文对 BT——37杀虫菌的生产性能作了考察,提出了以胞外蛋白酶活性作为选择高毒力发酵物培养基的生化参考指标。并对通过改变培养和生产条件以及使用方法提高工业菌剂的毒力,作了初步探索,取得了良好的田间效果。 | | 文摘来源 | | This study showed that the larvae of plum fruit sawflies,Hopl- | | 李实蜂是李子果实的重要害虫。本文探讨了斯氏线虫 CB-2Y 品系对李实蜂幼虫、茧的室内及田间侵染力。结果表明:1.李实蜂幼虫对该线虫很敏感,96小时死亡率93.3%~100%,茧不敏感,死亡率0~6.2%。2.该线虫对李实蜂幼虫侵染力很强,幼虫死亡率随作用时间及剂量浓度增加而增高。3.该线虫侵染李实蜂的田间效果7天后死亡率为70%左右,18天后死亡率达75%以上。 | | 文摘来源 | |   | | << 更多相关文摘 |
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