Relevant bibliographies by topics / Antagonistic Control

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Antagonistic Control'

Author: Grafiati
Published: 4 June 2021
Last updated: 6 February 2022

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Journal articles on the topic "Antagonistic Control"

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Lipp, Thomas, and Stephen Boyd. "Antagonistic control." Systems & Control Letters 98 (December 2016): 44–48. http://dx.doi.org/10.1016/j.sysconle.2016.10.002.

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Sumer, Horuz, and Aysan Yesim. "Biological control of watermelon seedling blight caused by Acidovorax citrulli using antagonistic bacteria from the genera Curtobacterium, Microbacterium and Pseudomonas." Plant Protection Science 54, No. 3 (May 15, 2018): 138–46. http://dx.doi.org/10.17221/168/2016-pps.

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The biological control of the watermelon seedling blight and fruit blotch disease was investigated by screening the potential use of antagonistic bacteria. Between May and August 2012, totally 322 putative antagonistic bacteria were isolated from symptomless melon and watermelon plants grown in Adana, Hatay, and Osmaniye provinces of the Eastern Mediterranean Region of Turkey. In vitro dual culture tests showed that 54 out of 322 strains inhibited the Acidovorax citrulli (Ac) growth with an appearance of clear zones between 2.3 and 27.0 mm in diameter. However, the remaining 268 strains did not exhibit any antagonistic activity against Ac. Seed treatments with fourteen individual antagonistic bacteria resulted in a significant reduction in disease incidence (DI) and severity (DS) ranging between 14.06–79.47% and between 4.57–41.49%, respectively. The bacteria Pseudomonas oryzihabitans (Antg-12), Microbacterium oxydans (Antg-57), Curtobacterium flaccumfaciens (Antg-198), and Pseudomonas fluorescens (Antg-273) were the most potent antagonistic bacterial isolates which reduced DI and DS as compared to the untreated control. This study suggested the potential of bacterial antagonists Curtobacterium flaccumfaciens, Microbacterium oxydans, Pseudomonas oryzihabitans, and Pseudomonas fluorescens for the biocontrol of Ac-induced bacterial fruit blotch (BFB).
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Beasley, D. R., D. C. Joyce, L. M. Coates, and A. H. Wearing. "Saprophytic microorganisms with potential for biological control of Botrytis cinerea on Geraldton waxflower flowers." Australian Journal of Experimental Agriculture 41, no. 5 (2001): 697. http://dx.doi.org/10.1071/ea00112.

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Saprophytic bacteria, yeasts and filamentous fungi were isolated from Geraldton waxflower flowers and screened to identify potential antagonism towards Botrytis cinerea. Isolates from other sources (e.g. avocado) were also tested. Isolates were initially screened in vitro for inhibition of B. cinerea conidial germination, germ tube elongation and mycelial growth. The most antagonistic bacteria, yeasts and fungi were selected for further testing on detached waxflower flowers. Conidia of the pathogen were mixed with conidia or cells of the selected antagonists, co-inoculated onto waxflower flowers, and the flowers were sealed in glass jars and incubated at 20˚C. The number of days required for the pathogen to cause flower abscission was determined. The most antagonistic bacterial isolate, Pseudomonas sp. 677, significantly reduced conidial germination and retarded germ tube elongation of B. cinerea. None of the yeast or fungal isolates tested was found to significantly reduce conidial germination or retard germ tube elongation, but several significantly inhibited growth of B. cinerea. Fusarium sp., Epicoccum sp. and Trichoderma spp. were the most antagonistic of these isolates. Of the isolates tested on waxflower, Pseudomonas sp. 677 was highly antagonistic towards B. cinerea and delayed waxflower abscission by about 3 days. Trichoderma harzianum also significantly delayed flower abscission. However, as with most of the fungal antagonists used, inoculation of waxflower flowers with this isolate resulted in unsightly mycelial growth.
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Oshima, Toru, Tomohiko Fujikawa, and Minayori Kumamoto. "Coordination Control of Arm Using Antagonistic Actuators." Journal of Robotics and Mechatronics 14, no. 3 (June 20, 2002): 270–77. http://dx.doi.org/10.20965/jrm.2002.p0270.

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In a mechanical joint drive used in robot arms, 1 actuator drives each joint. To drive joints in musculoskeletal animal limbs, in which skeletal muscles are used as actuators, a pair of bi-articular muscles drives 2 joints simultaneously in addition to a pair of monoarticular muscles for driving 1 joint. In our study, the mutual coordination of antagonistic mono-articular and antagonistic bi-articular muscles in in the horizontal arm plane were examined using electromyogram, results were analyzed by a mechanical 2-joint link model, and the relationship between the pattern of coordination of antagonistic muscles and output force generated by the arm clarified. A neural network model that generates the pattern of coordination was proposed to clarify the difference between conventional robots and animals in the force control mode for limbs.
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Kolacinski, Richard M., Wei Lin, and Howard Jay Chizeck. "Control of an antagonistic biomimetic actuator system." International Journal of Control 73, no. 9 (January 2000): 804–18. http://dx.doi.org/10.1080/00207170050029296.

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Hömig-Hölzel, Cornelia, Remco van Doorn, Celia Vogel, Markus Germann, Marco G. Cecchini, Els Verdegaal, and Daniel S. Peeper. "Antagonistic TSC22D1 variants control BRAFE600-induced senescence." EMBO Journal 30, no. 9 (March 29, 2011): 1753–65. http://dx.doi.org/10.1038/emboj.2011.95.

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Samaneh, Samavat, Asghar Heydari, Hamid Reza Zamanizadeh, Saeed Rezaee, and Ali Alizadeh Aliabadi. "A comparison between Pseudomonas aureofaciens (chlororaphis) and P. fluorescens in biological control of cotton seedling damping-off disease." Journal of Plant Protection Research 54, no. 2 (July 8, 2014): 115–21. http://dx.doi.org/10.2478/jppr-2014-0019.

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Abstract Due to the importance of the biological control of plant diseases, testing and introducing new biocontrol-active microorganisms is a major concern among plant pathologists. The causal agent of cotton seedling damping-off disease is Rhizoctonia solani. In this regard, we tried to investigate the antagonistic activities of Pseudomonas aureofaciens (chlororaphis) 30–84 (phenazine producing wild type and non-phenazine producing mutant) strains on R. solani, in comparison with some isolates of P. fluorescent under both in vitro (laboratory) and in vivo (greenhouse) conditions. In the laboratory experiment, the inhibitory effects of all the bacteria, on the growth of R. solani, were evaluated using the dual culture procedure. Results showed that five isolates of P. fluorescent along with both strains of P. aureofaciens significantly inhibited the growth of R. solani. Effective bacterial antagonists were then evaluated in a greenhouse experiment where cotton seeds were coated with their suspensions and were sown in pasteurised field-soil. The soil had been pre-inoculated with a virulent isolate of R. solani. The efficacy of the bacterial antagonists was evaluated by counting the number of surviving seedlings in different treatments, at 15 and 60 days after sowing, for determining pre- and post-emergence damping-off incidence. According to the results of the greenhouse experiment, at both intervals, two isolates of P. fluorescens along with both strains of P. aureofaciens caused significant increases in the number of healthy seedlings, in comparison with the untreated control, and a commonly used fungicide (carboxin-thiram). The efficacy of phenazine producing a wild type strain of P. aureofaciens was higher than its non-phenazine producing mutant, indicating that phenazine plays an important role in the antagonistic activity of P. aureofaciens. Effective bacterial antagonists were then studied for their antagonistic mechanisms. The results showed that all four bacteria employed different mechanisms. The bacteria produced siderophore, and volatile metabolites and non-volatile metabolites, in their antagonistic activities. The results of this study suggest that P. auerofaciens may be a new biocontrol agent for controlling cotton seedling mortality disease.
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Suzuki, Motoya, and Norihiro Kamamichi. "Displacement control of antagonistic type Nylon fiber actuator." Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2016 (2016): 2P2–14b7. http://dx.doi.org/10.1299/jsmermd.2016.2p2-14b7.

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Ethier, Christian, Laurent Brizzi, Dominic Giguère, and Charles Capaday. "Corticospinal control of antagonistic muscles in the cat." European Journal of Neuroscience 26, no. 6 (September 14, 2007): 1632–41. http://dx.doi.org/10.1111/j.1460-9568.2007.05778.x.

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Toedtheide, Alexander, Torsten Lilge, and Sami Haddadin. "Antagonistic Impedance Control for Pneumatically Actuated Robot Joints." IEEE Robotics and Automation Letters 1, no. 1 (January 2016): 161–68. http://dx.doi.org/10.1109/lra.2015.2511663.

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Dissertations / Theses on the topic "Antagonistic Control"

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Thompson, Rebecca Jane. "Control of Pythium ultimum by antagonistic fungal metabolites." Thesis, University of Kent, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329388.

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Saijonma-Koulumies, Leena E. M. "Bacterial interference in the control of canine pyoderma." Thesis, Royal Veterinary College (University of London), 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.368117.

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Knox, Oliver Gimli Gunning. "Exploiting nitrate respiration to optimise antagonistic control of root disease in soil." Thesis, University of Aberdeen, 2000. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU602312.

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In soils of high matric potential, low oxygen conditions often develop that favour disease development by many soil-borne plant pathogens. The introduction of a third party, or biocontrol agent, to suppress disease development would require that the agent remains metabolically active under such conditions. In the rhizosphere, plant roots not only supply carbon as an electron donor but cause a localised lowering of oxygen concentrations, conditions favourable for nitrate respiration. The effect of the addition of nitrate on the activity of antagonistic strains of Bacillus subtilis, Pseudomonas fluorescens and P. corrugata was studied in vitro on agar plates, but no significant (P 0.05) quantitative effect was observed . A sealed plate method, using aerobic, anoxic, and anaerobic conditions with 0, 1, 2.5, 5, 10 and 100mM nitrate concentrations was investigated using the B. subtilis strains. This assay tested the activity of antifungal volatiles (AFV) produced by the bacteria. The results indicated that nitrate led to an increased AFV production and/or activity against fungal pathogens under anoxic conditions with nitrate at or above 10 mM. To investigate root colonisation and the establishment of biocontrol colonies in the rhizosphere, lux marking of the biocontrol bacterial strains was undertaken. The transformed bioluminescent B. subtilis strains lost the ability to antagonise the test fungi on agar plates. This loss of antagonism appeared to be due to luciferase utilising metabolites involved in antibiosis and producing a low, but significantly different (P ?0.05) from background and parental strains level of luminescence. The effects of nitrate on a soil based biocontrol system were studied in greenhouse trials. Unfortunately, disease failed to develop, and the effects of the addition of nitrate could not be assessed. The potential involvement of nitrate in maintaining certain biocontrol aspects under conditions that favour pathogen attack seems likely from in vitro based studies. The removal of the antagonistic phenotype, from lux marked B. subtilis strains, raised questions as to the suitability of luciferase for use in this system and highlighted the need for careful monitoring and screening of genetically modified organisms.
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Mahdy, Magdy. "Biological control of plant parasitic nematodes with antagonistic bacteria on different host plants." Bonn : Rheinische Friedrick-Wilhelms-Universität, Institut für Pflanzenkrankheiten, 2002. http://hss.ulb.uni-bonn.de/ulb_bonn/diss_online/landw_fak/2002/mahdy_magdy/0203.pdf.

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Obici, Luciana Villanova. "Efeito do cultivo de plantas leguminosas sobre a população de nematoides em solos naturalmente infestados." Universidade Estadual do Oeste do Paraná, 2009. http://tede.unioeste.br:8080/tede/handle/tede/1414.

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Made available in DSpace on 2017-07-10T17:37:45Z (GMT). No. of bitstreams: 1 Luciana Villanova Obici.pdf: 1177002 bytes, checksum: 01dddf93e43aa5c55d8bd97f82de407d (MD5) Previous issue date: 2009-08-26
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The aim of this study was to evaluate Arachis pintoi, Canavalia ensiformis and Stylosanthes Campo Grande legumes cultivation over nematodes in naturally infested soils with a history of sugarcane crop. For this, naturally infested silt loam and clay loam soils were distributed into pots being transplanted two maize seedlings in order to facilitate nematode multiplication. After 60 days, plants aerial part was discarded and initial nematode population determined by assessing nematodes number (in the soil and roots). Legume seedlings were transplanted into the pots where remained for three or four months, analyzing again, the same nematodes populations. Maize was used as susceptible control. Finally, two sugarcane seedlings were transplanted into each pot, in order to assess the residual effect of the plants over nematodes in soil, by using the same parameters. Pratylenchus zeae and Helicotylenchus dihystera were present in analyzed samples. The results obtained showed that, regardless of soil type and cultivation time spent in pot, the three legume species were efficient for controlling P. zeae, with an outstanding effect even after 120 days of subsequent sugarcane cultivation. Canavalia ensiformis allowed increasing of H. dihystera population, whereas the other legumes caused its reduction. The conducted work allowed concluding that the three tested legumes may be used to P. zeae control. However, more studies need to be performed in relation to its effect, and in particular for C. ensiformis, over H. dihystera
O presente estudo foi realizado com o objetivo de avaliar o cultivo das leguminosas Arachis pintoi, Canavalia ensiformis e Stylosanthes Campo Grande sobre os nematoides em solos naturalmente infestados com histórico de cultivo de cana-de-açúcar. Para isto, um solo franco siltoso e um solo franco argiloso, naturalmente infestados, foram distribuídos em vasos, nos quais foram transplantadas duas plântulas de milho, para possibilitar a multiplicação dos nematoides. Após 60 dias, a parte aérea das plantas foi descartada e determinou-se a população inicial, por contagem dos nematoides (no solo e raízes). Plântulas das leguminosas foram transplantadas para vasos, onde permaneceram durante três ou quatro meses, avaliando-se novamente as populações de nematoides. Foi utilizado milho como testemunha suscetível. Por fim foram transplantadas duas plântulas de cana-de-açúcar para cada vaso, com o intuito de avaliar o efeito residual das leguminosas sobre os nematoides no solo, analisando-se os mesmos parâmetros. Nas amostras avaliadas registrou-se a presença de Pratylenchus zeae e Helicotylenchus dihystera. Os resultados obtidos mostraram que, independente do tipo de solo e do tempo de cultivo, as três espécies de leguminosas foram eficientes na redução de P. zeae, com efeito ainda pronunciado após 120 dias do cultivo subsequente da cana-de-açúcar. Canavalia ensiformis possibilitou o aumento populacional de H. dihystera, enquanto as outras duas leguminosas promoveram a sua redução. O trabalho realizado permitiu concluir que as três leguminosas testadas poderão ser utilizadas no controle de P. zeae. No entanto, mais estudos terão que ser realizados relativamente ao seu efeito, e em particular de C. ensiformis sobre H. dihystera
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Gillespie, Morgan Thomas. "Comparing Efficacy of Different Dynamic Models for Control of Underdamped, Antagonistic, Pneumatically Actuated Soft Robots." BYU ScholarsArchive, 2016. https://scholarsarchive.byu.edu/etd/5996.

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Research in soft robot hardware has led to the development of platforms that allow for safer performance when working in uncertain or dynamic environments. The potential of these platforms is limited by the lack of proper dynamic models to describe or controllers to operate them. A common difficulty associated with these soft robots is a representation for torque, the common electromechanical relation seen in motors does not apply. In this thesis, several different torque models are presented and used to construct linear state-space models. The control limitations on soft robots are induced by natural compliance inherent to the hardware. This inherent compliance results in soft robots that are commonly underdamped and present significant oscillations when accelerated quickly. These oscillations can be mitigated through model-based controllers which can anticipate these oscillations. In this thesis, multiple model predictive controllers are implemented with the torque models produced and results are presented for an inflatable single-DoF pneumatically actuated soft robot. Larger, multi-DoF, soft robots present additional issues with control, where flexibility in one joint impacts control in others. In this thesis a preliminary method and results for controlling multiple joints on an inflatable multi-DoF pneumatically actuated soft robot are presented. While model predictive controllers are capable, their control commands are defined by solving an optimization constrained by model dynamics. This optimization relies on minimizing the cost of a user-defined objective function. This objective function contains a series of weights, which allow the user to tune the importance of each component in the objective function. As there are no calculations that can be performed to tune model predictive controllers to achieve superior control performance, they often need to be tuned tediously by a skilled operator. In this thesis, a method for automated discrete performance identification and model predictive controller weight tuning is presented. This thesis constructs multiple state-space models for single- and multi-DoF underdamped, antagonistic, pneumatically actuated soft robots and shows that these models can be used with model predictive control, tuned for performance, to achieve accurate joint position control.
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Chidburee, Siripun. "Biological control of soil-borne disease in soybean by denitrifying antagonistic bacteria : the possible role of reduced nitrogen compounds for control of plant pathogens." Thesis, University of Aberdeen, 1998. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU602299.

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A number of experiments were carried out to study the potential of denitrifying bacteria and reduced nitrogen compounds for control of soil-borne damping-off pathogens. Measurement of the rhizosphere pH of growing soybean roots was carried out in soil adjusted to different pH states and packed into sheet microcosms. The results showed that the rhizosphere pH of soybean was lower than the bulk soil. Nitrate reductase activity and nitrite production was then characterised for the rhizosphere of intact 14 day-old soybean roots that were incubated in nitrate substrates adjusted to different pH values under water-logged conditions. The results showed that the rate and the quantity of nitrite production increased with increasing nitrate concentration and pH in the solution. A growth room experiment was carried out to determine root colonization by denitrifying bacteria in relation to disease caused by soil-borne pathogens, which are favoured by high soil moisture (approximately -5 KPa) and low oxygen levels. Nitrite producing bacteria were isolated from soybean roots grown in Grampian (Insch) soils which had not been cropped with soybean and Thai (Phitsanulok) soils which previously had been cropped with soybean. In the first pot experiment, the nitrite producing bacteria were isolated from different root sections of 12 and 19 day-old soybean plants after 8 weeks of continuous cropping of soils with soybean (a new crop was planted every week), and using different isolation media in order to determine the genus/species composition of the denitrifying bacteria on the rhizoplane. The results showed that continuous cropping of Thai soil and Insch soil with soybean increased pre-emergence damping-off disease and decreased fresh weight yields in seedlings that did emerge. ANOVA showed significant differences between root sections for most bacterial groups monitored {Bacillus spp., Pseudomonas and Enterobacteriaceae), with regression analysis generally showing densities increasing with root age or toward the shoot base. All nitrite producing bacterial isolates were screened for antifungal activity against Macrophomina phaseolina on agar plates and between 10 and 25% of nitrite producing bacteria were found to show in vitro antagonism. In a second pot experiment, the nitrite producing bacteria were isolated from root tissue below the crown (5 cm in length) every 2 weeks of continuous cropping of soils with soybean (a new crop was planted every 2 weeks). Plate-counting was carried out to determine the population of nitrite producing bacteria while a liquid culture MPN method was used for determination of NO, N2O and N2 producing bacteria. Linear regression analysis of the incidence of pre-emergence damping-off and soybean yields in seedling that did emerge showed a highly significant negative correlation between these parameters for both soils. ANOVA showed that there was a significant difference between soil type, with the Thai soil showing higher population densities of antagonistic bacteria on soybean roots. All nitrite producing bacterial isolates were screened for antifungal activity, but the plant pathogenic fungus, Pythium ultimum, was used in this experiment. The results showed that between 10 and 40% of nitrite producing bacteria showed in vitro antagonism. However, regression analysis showed that there was no significant increase or decrease in the nitrite producing antagonistic bacterial population with continuous soybean cropping. All 900 isolates of nitrite producing bacteria isolated from the soybean rhizoplane were screened for antagonistic activity towards Pythium ultimum based on a pot trial assay in the greenhouse. As expected, very low numbers of nitrite producing bacteria showed activity against P. ultimum and only one isolate gave a significant reduction in disease incidence in pot trials. The interactive effects of nitrite producing antagonist and an Arbuscular Mycorrhizal fungus (Glomus mosseae) and Bradryrhizobium japonicum, on control of the fungal pathogens, P. ultimum or M. phaseolina were investigated in the greenhouse. The results showed that improved plant growth was obtained with certain combined inocula involving nitrite producing bacterial antagonists, Glomus mosseae and Bradryrhizobium japonicum.
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Volkmann, Anette (Anette Sigrid). "Suppression of Botrytis cinerea by antagonists in living, moribund and dead grapevine tissue." Thesis, Stellenbosch : Stellenbosch University, 2001. http://hdl.handle.net/10019.1/52472.

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Thesis (MScAgric)--University of Stellenbosch, 2001.
ENGLISH ABSTRACT: Several attempts have been made to reduce Botrytis cinerea grey mould in vineyards and in storage by means of biological control. However, the so called "silver bullet" approach in utilising a single antagonist, has its limitations when compared with synthetic fungicides. Often the antagonist has a limited spectrum of activity and the duration of its effectiveness is less than that provided by synthetic fungicides. Furthermore, antagonists are more likely to be effective in preventing initial infection rather than resumption of latent infection. Therefore, due to the various infection sites in grape bunches utilised by B. cinerea and the fact that the pathogen can remain latent in the grapevine tissue, it may be possible to obtain effective control of the pathogen by integrating fungicides and different biological control agents each aimed at a different site in grape bunches, protecting the bunch at the various phenological stages of growth and under different micro climatic conditions. In this study the potential of three fungal antagonists (Glioc/adium roseum, Uloc/adium atrum and Trichoderma harzianum) and one yeast (Trichosporon pullulans) to colonise different sites in grape bunches, and to reduce B. cinerea infection, was investigated in commercial vineyards. As the biological control agents were used in an integrated system, the effect of various fungicides frequently applied to local vineyards on the organisms was also investigated. Fungicide trials were conducted taking into account two possible scenarios. Firstly, the possible effect of fungicides applied to the vineyard after an application of the biological control agent or shortly before the application of the biocontrol agent. This entailed exposing the biocontrol agents to relatively low concentrations of the active ingredient of the fungicides, similar to the residue levels to which these organisms would be exposed under field conditions. Secondly, the possibility of applying the organisms and the fungicides at the same time by making use of spray tank mixtures. This meant exposing the biocontrol agents to relatively high doses of the active ingredient of the various fungicides. Mycelial growth and germination tests were performed on agar in Petri dishes to determine the effect of fungicides. It was assumed that if the fungicide effectively inhibits the antagonist at 2.5 !-lg a.Uml, the fungicide and antagonist can not be used in an integrated programme. Based on this criterium, T harzianum can not be applied to vineyards with penconazole, mancozeb/metalaxyl, pyrifenox or mancozeb. In addition T harzianum can not be applied as tank mixtures with iprodione. However, T harzianum can be used in conjunction with pyrimethanil, folpan, iprodione, fosetyl-Al and copperhydroxide, provided the chemicals and the antagonist are applied alternately. Gliocladium roseum can not be applied in a tank mixture with pyrimethanil and penconazole, but can be used on grapevine in conjunction with penconazole, pyrifenox, pyrimethanil, iprodione and fosetyl-Al. Ulocladium atrum can not be applied with pyrimethanil and iprodione. Ulocladium atrum can be applied in conjunction with penconazole, pyrifenox, pyrimethanil, iprodione, fosetyl-Al and mancozeb. The fungus can be applied in a tank mixture with penconazole and pyrifenox. The antagonists were applied as conidial suspensions to bunches at various phenological stages in commercial vineyards planted with the wine grape cultivar Chardonnay in the Stellenbosch region, or the table grape cultivar Dauphine planted in Paarl region. Bunches were collected 2 wk after application, surface-sterilised and used for determining antagonist colonisation and B. cinerea infection at specific sites in the bunches. In Chardonnay, the antagonists colonised the different sites, but colonisation during the three seasons was inconsistent and sporadic. Ulocladium atrum and G. roseum colonised floral debris to a degree in the 1996 season. However, in the 1997 season these two antagonists did not develop from floral debris. Trichoderma harzianum colonised floral debris extensively in the 1996 season. In the 1997 season colonisation by T harzianum dropped, but unlike G. roseum and U atrum, T harzianum occurred at a low level in flowers. Ulocladium atrum only colonised bunches during bloom, and was not found in bunches monitored from pea-size stage to véraison. This finding suggests that the saprophyte colonised moribund and dead flower parts occurring in bunches during full bloom to the pre-pea size stage, and is not likely to be found in living tissue. Gliocladium roseum colonised grape berries and pedicels to some degree and T harzianum colonised these grape parts extensively. Botrytis cinerea occurred inconsistently and at low frequencies in the different sites in bunches. It was therefore not possible to comment on the effectivity of the various antagonists in the three seasons during which the trials were performed. However, it was noted that, during the peasize stage in 1996, when high levels of B. cinerea were recorded, T harzianum controlled these infections in the pedicels more effectively than any other treatment.
AFRIKAANSE OPSOMMING: ONDERDRUKKING VAN BOTRYTIS CINEREA DEUR ANTAGONISTE IN LEWENDE, AFSTERWENDE EN DOOIE WINGERDWEEFSEL Die benadering om Botrytis cinerea verrotting van wingerd met behulp van 'n enkele biologiese beheeragent in plaas van met sintetiese fungisiede te beheer, het sekere beperkinge. Antagoniste het dikwels 'n beperkte spektrum van aktiwiteit, en die duur van hul effektiwiteit is minder as dié van fungisiede. Antagoniste is gewoonlik ook minder effektief in die beheer van latente infeksie. Die patogeen het verder die opsie om druiwetrosse deur verskillende infeksieweë te koloniseer. Fungisiede kan druiwetrosse beter teen infeksie deur veelvuldige infeksieweë beskerm as 'n enkele antagonis. In die lig hiervan is die beheer van die patogeen deur 'n kombinasie van fungisiede en verskillende biologiese beheeragente, wat elk gemik is om 'n ander infeksiepunt in die druiwe te beskerm, ondersoek. Drie swamagtige antagoniste (Glioc/adium roseum, Uloc/adium atrum en Trichoderma harzianum) en een gis (Trichosporon pullulans) is in die ondersoek gebruik. Voorloper ondersoeke, waar twee moontlike scenarios in ag geneem is, is met fungisiede uitgevoer. In die eerste scenario is die effek van fungisiede, aangewend op wingerd kort vóór aanwending van die biologiese beheeragent, of kort ná aanwending, ondersoek. Hierdie proef het die blootstelling van die biologiese beheeragent aan relatief lae konsentrasies van die aktiewe bestanddeel van die fungisied, vergelykbaar met residuvlakke waaraan die organismes onder veldtoestande blootgestel sou word, behels. Tweedens is die moontlikheid om antagoniste en fungisiede gelyktydig as spuitpompmengsels toe te dien, ondersoek. In hierdie proef is die biologiese beheeragente aan relatief hoë dosisse van die aktiewe bestanddeel van verskillende fungisiede blootgestel. Miseliumgroei en ontkiemingstoetse is op agar in Petribakkies uitgevoer om die effek van die fungisiede te bepaal. As kriterium is aanvaar dat indien 'n fungisied die antagonis effektief by 2.5J..lglml aktiewe bestanddeel inhibeer, die fungisied en antagonis nie in 'n geïntegreerde program gebruik kan word nie. Gebaseer op hierdie kriterium kan T harnzianum nie aangewend word in 'n wingerd wat met penconazole, mancozeb/metalaxyl, pyrifenox of mancozeb behandel is nie. Ook kan T harzianum nie in 'n spuitpompmengsel met iprodione aangewend word nie. Trichoderma harzianum kan egter saam met pyrimethanil, folpan, iprodione en fosetyl-Al gebruik word, mits dié chemikalieë en die antagonis afwisselend aangewend word. Glioc/adium roseum kan nie in 'n spuitpompmengsel met pyrimethanil en penconazole aangewend word nie, maar kan saam met penconazole, pyrifenox, pyrimethanil, iprodione en fosetyl-Al gebruik word. Uloc/adium atrum kan nie saam met pyrimethanil, iprodione en fosetyl-Al gebruik word nie. Die swam kan wel in 'n spuitpompmengselmet penconazole en pyrifenox aangewend word. In verdere proewe is die antagoniste as spoorsuspensies op trosse op verskillende groeistadia in kommersiële wingerde, wat met die wyndruitkultivar Chardonnay of die tafeldruifkultivar Dauphine aangeplant is, ondersoek. Trossies is twee weke na toediening versamel, oppervlakkig gesteriliseer en gebruik om vlakke van antagoniskolonisasie en B. cinerea infeksie op spesifieke nisse in die trosse te bepaal. In die geval van Chardonnay het die antagoniste die verskillende nisse gekoloniseer, maar die kolonisasie was sporadies en nie konstant gedurende die drie seisoene van ondersoek nie. Uloc/adium atrum en G. roseum het blomdeeltjies tot 'n beperkte mate in die 1996 seisoen gekoloniseer, maar nie in die daaropvolgende seisoen nie. Daarteenoor het T. harzianum blomdeeltjies ekstensief in die 1996 seisoen gekoloniseer, en in 'n beperkte mate in die daaropvolgende seisoen. Uloc/adium atrum kon nie trosse van ertjiekorrelgrootte tot deurslaan vestig nie. Hierdie bevinding dui daarop dat die saprofiet afsterwende en dooie blomdeeltjies, wat van volblom tot ertjiekorrelstadium in die trosse voorkom, koloniseer, maar dat dit nie in lewende weefsel voorkom nie. Daarteenoor het T. harzianum die verskillende trosdele ekstensief gekoloniseer. Botrytis cinerea het gedurende die drie seisoene wisselvallig en teen lae frekwensies in die verskillende nisse in die trosse voorgekom. Dit was gevolglik nie moontlik om 'n konkrete afleiding oor die effektiwiteit van die verskillende antagoniste as biobeheeragente van B. cinerea te maak nie. In die geval van Dauphine was die onderskeie organismes swak koloniseerders van blomdeeltjies. Trichoderma harizanum kon egter die lewende trosdele koloniseer. Kolonisasievlakke was laag en was nooit meer as 50% nie. In beide seisoene het die kolonisasievermoë van T. harzianum drasties ná trostoemaak gedaal. Daarteenoor het beide G. roseum en U atrum tydens al die ontwikkelingstadia die lewende trosdele swak gekoloniseer. Botrytis cinerea het ook uiters sporadies en teen baie lae vlakke voorgekom. Die bevindinge het getoon dat klimaatsomstandighede wat in tafeldruifwingerde in die Wes-Kaap heers, nie geskik is vir die vestiging van die biologiese beheeragente wat in die studie ondersoek is nie.
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Sultan, Muna [Verfasser]. "Biological control of leaf pathogens of tomato plants by Bacillus subtilis (strain FZB24) : antagonistic effects and induced plant resistance / Muna Sultan." Bonn : Universitäts- und Landesbibliothek Bonn, 2012. http://d-nb.info/1043055711/34.

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Kumar, Pratheesh [Verfasser]. "Study on Antagonistic and Growth Promotion Potential of Certain Exo and Endophytic Bacteria of Mulberry (Morus SPP.) : Biological control / Pratheesh Kumar." München : GRIN Verlag, 2019. http://d-nb.info/118869961X/34.

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Books on the topic "Antagonistic Control"

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International Symposium on Antiprogestins (1992? Bangladesh Association for Prevention of Septic Abortion). Proceedings of the International Symposium on Antiprogestins. Dhaka: Bangladesh Association for Prevention of Septic Abortion, 1992.

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Gensini, Gian Franco, and Augusto Zaninelli, eds. Progetto RIARTE. Florence: Firenze University Press, 2015. http://dx.doi.org/10.36253/978-88-6655-906-1.

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Le malattie cardiovascolari rappresentano un’area clinica in cui maggiormente si avverte la necessità dello sviluppo di risposte assistenziali efficaci e sostenibili, nel cui ambito lo specialista deve svolgere un ruolo determinante, contribuendo a mettere in atto strategie gestionali condivise dalle diverse professionalità sanitarie e sostenute a livello istituzionale. I 200 casi clinici riportati dal progetto RIARTE sono, senza dubbio, una fotografia fedele, reale e pratica della realtà clinica in Italia per quanto attiene alle due categorie osservate: pazienti con rischio cardio e cerebrovascolare superiore al 20% secondo le tabelle del rischio SCORE e pazienti con ipertensione di difficile controllo. In entrambi i casi clinici l’adozione, nelle misure farmacologiche, della terapia a base di calcio-antagonisti diidropiridinici è apparsa efficace, sicura, di facile associazione con altre terapie e caratterizzata da un rapporto costo-efficacia particolarmente favorevole.
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Epstein, William M. Conclusion. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190467067.003.0011.

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The Conclusion argues that the nation’s attachment to policy romanticism prevents its social maturation. Incorporating freely chosen, widely cherished values, policy romanticism remains antagonistic to liberal democracy, or at least to the Enlightenment hopes for social progress. Americans are not innocent of American problems. The nation’s problems are created as the effects of consensual, embedded norms. In contrast, the control of social policy making by illegitimate elites is so improbable that mass preference and mass consent would seem to be a logical default position. Mass consent should be specifically refuted with hard evidence of conspiracies of one sort or another before considering other explanations. The political passivity of Americans signaling contentment or at least acceptance is a more reasonable surmise than the success of hidden evil forces in pacifying the population through a narcosis of liquor, drugs, and the nearly infinite diversions of numbing entertainment.
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Guadalupe-Diaz, Xavier L. Transgressed. NYU Press, 2019. http://dx.doi.org/10.18574/nyu/9781479832941.001.0001.

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This book focuses on the stories of eighteen transgender survivors of intimate partner violence (IPV) and how their accounts challenge conventional understandings of this form of abuse. By examining the contexts in which abuse occurs, the book anchors transgender experiences with IPV within a largely trans-antagonistic culture. The dynamics of abuse, as told by survivors, are largely informed by an existing transphobic and genderist society. The prevalent themes in the accounts describe how transphobic and genderist attacks manifested as distinct patterns of abuse. When reflecting and making sense of their reality, survivors saw many of their experiences with abuse as attempts by abusers to control their gender transition and define them on the abusers’ own terms. The book discusses a prominent dynamic of the abuse as controlling transition, in which victims felt that abusers wanted to regulate their identities. This control occurs through two generic strategies: (1) discrediting identity work, redefining the situation to focus on participant-defined insecurities, a form of altercasting; and (2) targeting sign vehicles, including regulating gender transition treatments and controlling through props. Finally, survivors described what is referred to as walking the gender tightrope in which respondents used gendered language in the processing of their victim identity. Additionally, they discussed various help-seeking strategies and how they navigated genderist boundaries and barriers to these resources. The book works toward characterizing the distinct experiences of transgender survivors of IPV while also identifying differences across the intersections of race, class, and gender identities.
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Bennett, Robert J. Modification of phyllosphere environments to enhance establishment of Gliocladium roseum, an antagonist of Botrytis cinerea. 1995.

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R, Parratt James, ed. Control and manipulation of calcium movement: A Biological Council symposium. New York: Raven Press, 1985.

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Godfraind, T. Pharmacological Control of Calcium and Potassium Homeostasis. Springer, 2012.

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Direct and allosteric control of glutamate receptors. Boca Raton: CRC Press, 1994.

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R, Parratt James, and Biological Council. Co-ordinating Committee for Symposia on Drug Action., eds. Control and manipulation of calcium movement: A Biological Council symposium. New York: Raven Press, 1985.

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Phipps, Lisa M., Titi Chen, and David C. H. Harris. Radiation nephropathy. Edited by Adrian Covic. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780199592548.003.0091_update_001.

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Radiation nephropathy usually arises after inadvertent exposure of kidneys to radiotherapy. It may manifest as acute nephropathy as early as 6 months after exposure, or later as chronic nephropathy, hypertension, or asymptomatic proteinuria. Glomerular and peritubular endothelium and renal tubular cells are especially radiosensitive. There are no pathognomonic histological features, but renal pathology may be similar to that of haemolytic uraemic syndrome. Radiation nephropathy may be prevented by renal shielding and mitigated by radiation dose fractionation. Control of hypertension is important and angiotensin-converting enzyme inhibitors and angiotensin II receptor antagonists appear to have protective effects beyond those of blood pressure control.
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Book chapters on the topic "Antagonistic Control"

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Koganezawa, Koichi. "Antagonistic Control of Multi-DOF Joint." In Experimental Robotics, 667–81. Heidelberg: Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-00065-7_45.

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Sindhu, Satyavir S., Y. S. Rakshiya, and M. K. Verma. "Biological Control of Termites by Antagonistic Soil Microorganisms." In Soil Biology, 261–309. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-19769-7_12.

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Claude, Daniel. "On the Agonistic-Antagonistic Equilibration and Its Control." In Analysis of Controlled Dynamical Systems, 136–45. Boston, MA: Birkhäuser Boston, 1991. http://dx.doi.org/10.1007/978-1-4612-3214-8_11.

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Guigón López, César, Héctor Adrián García Ramírez, and Laila Nayzzel Muñoz Castellanos. "Control of Pepper Powdery Mildew Using Antagonistic Microorganisms: An Integral Proposal." In Progress in Biological Control, 385–420. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-51034-3_15.

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Suzuki, Motoya, and Norihiro Kamamichi. "Feedback Control of Antagonistic-Type Twisted and Coiled Polymer Actuator." In Lecture Notes in Electrical Engineering, 416–24. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-69814-4_40.

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Knežević, Nikola, Branko Lukić, and Kosta Jovanović. "Feedforward Control Approaches to Bidirectional Antagonistic Actuators Based on Learning." In Advances in Service and Industrial Robotics, 337–45. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-19648-6_39.

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Dietz, V., M. Schubert, and W. Berger. "Differential Influence of a Visual Flow Pattern on Emg-Activity of Antagonistic Leg Muscles During Unstable Stance." In Multisensory Control of Posture, 139–45. Boston, MA: Springer US, 1995. http://dx.doi.org/10.1007/978-1-4615-1931-7_17.

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Lukić, Branko, Kosta Jovanović, and Tomislav B. Šekara. "Cascade Gain Scheduling Control of Antagonistic Actuators Based on System Identification." In Advances in Service and Industrial Robotics, 425–35. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-00232-9_45.

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Lukić, Branko, and Kosta Jovanović. "Minimal Energy Cartesian Impedance Control of Robot with Bidirectional Antagonistic Drives." In Advances in Intelligent Systems and Computing, 56–64. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-49058-8_7.

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Psallidas, P. G., and Alexandra Argyropoulou. "Bacterial Isolates from Citrus and Pear Microflora Antagonistic to Ice Nucleation Active Pseudomonas Syringae PV. Syringae Strains." In Biological Control of Plant Diseases, 259–65. Boston, MA: Springer US, 1992. http://dx.doi.org/10.1007/978-1-4757-9468-7_35.

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Conference papers on the topic "Antagonistic Control"

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Fan, Jizhuang, Gangfeng Liu, Huan Wang, Wei Zhang, and Yanhe Zhu. "Design and Control of a Frog-Inspired Swimming Leg Powered by Pneumatic Muscle." In ASME 2016 Conference on Information Storage and Processing Systems. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/isps2016-9532.

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According to the shortages of previous generation of frog inspired robot, antagonistic joint based frog inspired leg was designed. With the multi-DOFs of hip, knee and ankle, the designed leg was able to perform various frog swimming modes. The dynamic model of antagonistic joint based on advanced pneumatic muscle model was established in MATLAB/Simulink environment. Besides, the servo control strategy of joint angle was studied based on the dynamic model of antagonistic joint. The PID and self-tuning fuzzy control were utilized to control the antagonistic joint. According to different swimming modes, joint trajectories of hip, knee and ankle were created by inverse kinematics based on the frog swimming mechanism. Therefore, the leg was controlled by the separated controls of hip, knee and ankle joints. Feasibility of pneumatic antagonistic joint control was validated via step response experiments with different loads. Finally, the experiment platform was established to carry swimming experiments with the developed frog-inspired swimming leg. The feasibility of antagonistic frog inspired swimming leg driven by pneumatic muscles was validated.
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Koganezawa, Koichi, Gaku Takami, and Masakaki Watanabe. "Antagonistic control of multi-DOF joint." In 2012 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2012). IEEE, 2012. http://dx.doi.org/10.1109/iros.2012.6385484.

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Lu, Wanting, Mingxiang Dai, and Hui Gao. "Antagonistic formation control of cooperative agents." In 2014 International Conference on Mechatronics and Control (ICMC). IEEE, 2014. http://dx.doi.org/10.1109/icmc.2014.7231767.

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Lu, Wanting, Hui Gao, and Mingxiang Dai. "Collective four-group antagonistic formation motion." In 2014 33rd Chinese Control Conference (CCC). IEEE, 2014. http://dx.doi.org/10.1109/chicc.2014.6896815.

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Prechtl, Johannes, Stefan Seelecke, Paul Motzki, and Gianluca Rizzello. "Self-Sensing Control of Antagonistic SMA Actuators Based on Resistance-Displacement Hysteresis Compensation." In ASME 2020 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/smasis2020-2224.

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Abstract Shape memory alloys (SMAs) are a well-known class of smart materials which allow the design of compact and silent actuation mechanisms. A remarkable feature of SMAs is self-sensing, namely the possibility to reconstruct the actuator position information from electrical resistance measurements. In case of simple SMA actuators, such as spring-loaded wires, the relation between resistance and displacement is usually linear and thus simple to exploit for self-sensing. For more advanced actuator types, such as protagonist-antagonist SMA configurations, the resistance-displacement characteristic is often hysteretic and thus more difficult to invert in real-time. To deal with this issue, this work proposes a novel self-sensing method for protagonist-antagonist SMA actuators having a highly hysteretic resistance-displacement behavior. An online hysteresis compensation scheme, based on the modified Prandtl-Ishlinskii model, is implemented and used to linearize the resistance-displacement characteristic. A lab setup which allows characterization of antagonistic SMA system as well as implementation of self-sensing control architectures is also developed. Experimental results show how, when combined with a PI controller, the developed scheme permits to noticeably reduce the error in comparison to compensator-free self-sensing architectures.
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Honda, Yuki, Fumio Miyazaki, and Atsushi Nishikawa. "Control of pneumatic five-fingered robot hand using antagonistic muscle ratio and antagonistic muscle activity." In EMBS International Conference on Biomedical Robotics and Biomechatronics (BioRob 2010). IEEE, 2010. http://dx.doi.org/10.1109/biorob.2010.5627770.

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Honda, Yuki, Fumio Miyazaki, and Atsushi Nishikawa. "Angle control of pneumatically-driven musculoskeletal model using antagonistic muscle ratio and antagonistic muscle activity." In 2010 IEEE International Conference on Robotics and Biomimetics (ROBIO). IEEE, 2010. http://dx.doi.org/10.1109/robio.2010.5723591.

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Kolacinski, R. M., Wei Lin, and H. Chizeck. "Stabilizability of an antagonistic biomimetic actuator system." In Proceedings of the 1998 American Control Conference (ACC). IEEE, 1998. http://dx.doi.org/10.1109/acc.1998.707302.

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Zhang, Wentao, Zhiqiang Zuo, and Yijing Wang. "Cooperative control in the presence of antagonistic reciprocity." In 2017 11th Asian Control Conference (ASCC). IEEE, 2017. http://dx.doi.org/10.1109/ascc.2017.8287263.

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Cao, Shaobin, Zhijian Ji, Haisheng Yu, and Ting Hou. "Controllability of Leader-Follower Networks with Antagonistic Interactions." In 2018 37th Chinese Control Conference (CCC). IEEE, 2018. http://dx.doi.org/10.23919/chicc.2018.8483858.

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