Academic literature on the topic 'Inoculation'

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Journal articles on the topic "Inoculation"

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Postma, Joeke, and Anita J. G. Luttikholt. "Colonization of carnation stems by a nonpathogenic isolate of Fusarium oxysporum and its effect on Fusarium oxysporum f.sp. dianthi." Canadian Journal of Botany 74, no. 11 (November 1, 1996): 1841–51. http://dx.doi.org/10.1139/b96-221.

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A nonpathogenic isolate of Fusarium oxysporum, 618-12, added to soil prior to the pathogen, suppressed fusarium wilt (F. o. f.sp. dianthi race 2) in a susceptible cultivar of carnation by 80% compared with the treatment with the pathogen only. The possibility of systemically induced resistance by the nonpathogenic isolate was assessed by inoculating antagonist and pathogen at different locations (stem versus soil, soil versus stem, and in a split-root system). No significant disease suppression was found with any of these spatially separated inoculations. However, inoculation of antagonist and pathogen at the same location within the stem (i.e., mixed stem inoculation) resulted in significant and reproducible disease reductions compared with stem inoculation with the pathogen alone. This reduction was found for different inoculum densities and different cultivars. Several other nonpathogenic Fusarium isolates could also reduce wilt symptoms in the susceptible carnation cultivar after mixed stem inoculation with the pathogen. This disease-suppressive effect after mixed stem inoculations may be caused by locally induced resistance or competition between isolates within the stem. Plants showed vascular browning around the inoculation point following inoculation with nonpathogenic isolates. Disease suppression, as well as vascular browning, were absent when dead conidia of the isolate 618-12 were used. After its addition to soil, the isolate was recovered from 44–78% of carnation stems. Spread of the nonpathogenic isolate within the stem occurred only in the first 4 days after stem inoculation, and it remained confined to limited distances from the inoculation point between 4 and 59 days after inoculation. The pathogenic isolate could be isolated at increasingly greater distances from the inoculation point during this period. These data suggest that the nonpathogenic isolate is not actively spread through the plant by growth of the fungus. Keywords: biological control, competition, induced resistance, wilt.
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Anderson, N. R., J. D. Ravellette, and K. A. Wise. "Improved Method for Injecting Fungal Inoculum into Corn Ears." Plant Health Progress 17, no. 3 (January 2016): 163–66. http://dx.doi.org/10.1094/php-rs-16-0031.

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Corn (Zea mays L.) ear rot pathogens reduce yield and grain quality annually, and research on these pathogens and their interactions with the host can require inoculation of fungal material into the ears. A new system of mechanically inoculating corn ears was designed using a hydration backpack and auto-filling vaccinator with a needle attached. The efficiency of the new system was compared to a previously established inoculation method using a manual syringe method with an 18-gauge blunt end needle attached to a 60-ml syringe, with inoculum carried in a plastic beaker. Inoculation methods were tested by comparing the time to inoculate 100 corn ears with separate conidial suspensions of Fusarium verticillioides and F. graminearum in a replicated field trial. The new mechanical inoculation system reduced inoculation time by 42% (P = 0.0015) when compared to the manual syringe and needle method. Additional benefits of the new method include reduced risk of inoculum contamination, consistent inoculum volume per ear, and increased safety for personnel doing the inoculations. Accepted for publication 25 June 2016. Published 21 July 2016.
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du Toit, Lindsey J., and Jerald K. Pataky. "Variation Associated with Silk Channel Inoculation for Common Smut of Sweet Corn." Plant Disease 83, no. 8 (August 1999): 727–32. http://dx.doi.org/10.1094/pdis.1999.83.8.727.

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Efforts at breeding for resistance to common smut of maize (Zea mays), caused by Ustilago maydis, are hampered by the lack of a reliable and efficient method of inoculation. Silk channel injection is one of the most efficient methods of inoculating for ear galls but is less consistent than acceptable for accurate assessment of the response of genotypes. The objective of this study was to examine how the silk channel inoculation method can be modified to reduce variation while maintaining efficiency for large-scale field inoculations. Variation associated with inoculum concentration and variation among people inoculating were examined. Incidence and severity of symptomatic ears increased with inoculum concentration. Concentrations between 105 and 106 sporidia/ml are recommended. Variation among people was greater than variation among inoculum concentrations. Incidence and severity ratings were lower for people inexperienced at inoculating with U. maydis than for experienced people. Variation among people inoculating can be controlled by appropriate experimental design.
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Griffiths, Phillip D., and Cathy Roe. "Response of Brassica oleracea var. capitata to Wound and Spray Inoculations with Xanthomonas campestris pv. campestris." HortScience 40, no. 1 (February 2005): 47–49. http://dx.doi.org/10.21273/hortsci.40.1.47.

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Eighteen cabbage breeding lines and cultivars were evaluated for resistance to black rot caused by Xanthomonas campestris pv. campestris following wound and spray inoculations at the juvenile and mature stages. Plants were evaluated using four inoculation procedures (juvenile wound, juvenile spray, mature wound, and mature spray) in replicated greenhouse and field experiments. The breeding lines Badger #16, Cornell 101, Cornell 102, NY 4002 and accession PI 426606 exhibited high levels of resistance following all inoculation procedures. `Silver Dynasty' was the most resistant commercial cultivar based on the four tests, yet ranked 12th following the juvenile wound inoculation. The juvenile spray inoculation had a high correlation with both wound and spray inoculations in field experiments (0.89 and 0.86, respectively); however, the juvenile wound inoculation did not correlate well with mature wound and spray inoculations (0.58 and 0.51, respectively). The results indicate that the juvenile wound inoculation is not the most appropriate approach for determining field resistance in Brassica oleracea, and that resistant material could be selected against using this approach. A high correlation between juvenile spray inoculation disease severity ratings and mature plant resistance indicates that plants can be evaluated effectively at the juvenile stage for mature plant resistance to black rot.
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McLeod, Paul, H. A. Scott, and T. E. Morelock. "Temporal Relationships of Watermelon Mosaic Virus 2 Inoculation Date and Symptom Appearance and Yield in Yellow Squash." HortScience 22, no. 5 (October 1987): 877–78. http://dx.doi.org/10.21273/hortsci.22.5.877.

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Abstract In field studies, appearance of foliar symptoms in yellow squash (Cucurbita pepo L., cv Sundance) provided a better indication of time of watermelon mosaic virus 2 (WMV-2) inoculation than appearance of symptoms in fruit. Although the longest period of time between inoculation and foliar symptom appearance occurred with the last inoculation date (25 Sept.), differences in this period did not differ statistically among inoculation dates. Dates of fruit symptom appearance were more variable and were more related to plant developmental stage than to time of inoculation. The length of disease-free fruiting period and the number of disease-free fruit were reduced severely for plants receiving one of the first four weekly WMV-2 inoculations. Subsequent inoculations failed to reduce squash yield significantly.
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MAY, MAISIE. "Inoculating the urban poor in the late eighteenth century." British Journal for the History of Science 30, no. 3 (September 1997): 291–305. http://dx.doi.org/10.1017/s0007087497003099.

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Historical accounts of the practice of smallpox inoculation in the late eighteenth century invariably make a distinction between the widespread general inoculations carried out within small rural parishes and the partial inoculations in urban centres such as London, Manchester, Newcastle and Leeds. This distinction, moreover, is generally reinforced by concluding that the rural inoculation programmes were ‘highly effective’ or ‘successful’ in contrast with the urban inoculation schemes, which are often seen as ‘marginally effective’ or indeed ‘failing’. Success or failure tends to be judged by the impact which inoculation had upon reducing mortality from smallpox, but as a result of this demographic focus the motives behind the implementation of urban inoculation have been overlooked. My paper readjusts this balance by looking more closely at motives and by judging success in relation to aims. To achieve this I have taken a new approach towards the history of smallpox inoculation as a whole, and portray the basic idea of giving a person smallpox in order to confer subsequent immunity as being modified in the hands of different people throughout the course of the century. Hence it is possible to trace the development of inoculation from a folk practice carried out within the home with the aim of protecting individuals, to large-scale general inoculations of an entire community, which aimed to eradicate the disease altogether.
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Pugh, George W., Louisa B. Tabatabai, Marshall Phillips, and Timothy J. McDonald. "Establishment of dose-response relationships in BALB/c mice, using Brucella cell surface protein and lipopolysaccharide." American Journal of Veterinary Research 52, no. 2 (February 1, 1991): 261–68. http://dx.doi.org/10.2460/ajvr.1991.52.02.261.

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SUMMARY A study was conducted to determine the immune (increased antibody) and protective (reduced colony-forming units) responses induced in mice by a: (i) single vaccinal inoculation, using various concentrations of Brucella cell surface protein (bcsp) or lipopolysaccharide (lps); (ii) primary inoculation, using various concentrations of bcsp, followed by a secondary inoculation, using a standard concentration of bcsp; and (iii) primary inoculation, using 1 concentration of bcsp or lps, followed by a secondary inoculation, using various concentrations of bcsp or lps. Four weeks after the primary inoculation, mice were challenge exposed with approximately 1 × 104 colony-forming units of Brucella abortus strain 2308 and all mice were euthanatized at 6 weeks. Reduced splenic weights and reduced colony-forming units in the spleens of vaccinated mice, compared with nonvaccinated mice, were the criteria of protection. Increase in serum IgM and IgG was defined as immunity. Both bcsp and lps induced protective and immune responses that were proportional to the dose given up to an optimal limit. However, concentrations higher than optimal decreased the protective and immune responses. This was true for mice given either 1 or 2 vaccinal inoculations. Enhanced secondary protective responses were seen only when suboptimal doses were used in the primary inoculation. Excessive or optimal doses in the secondary inoculations prevented or obscured the protectiveness and immunity by primary inoculations. The protective effects appeared to be additive when suboptimal doses were used in the primary and secondary inoculations. Inoculation of subimmunogenic doses induced a relative reduction in the antibody concentration after challenge exposure, compared with nonvaccinated mice. The overall results indicated that the protective responses induced by bcsp were probably attributable to lps. The results also indicated a linear increase in protection and immune response corresponding to increasing doses up to an optimal dose, and this stoichiometric optimum may be achieved by the use of 1 or more vaccinal inoculations. However, once this optimum was obtained, additional amounts of bcsp or lps cause perturbation of both the protective and serologic responses.
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Shen, Wanna, Long Pan, Yuchen Fu, Yutian Suo, Yinan Zhang, Huixiang Liu, Xiaohua Su, and Jiaping Zhao. "Comparative Study on the Effectiveness of Three Inoculation Methods for Valsa sordida in Populus alba var. pyramidalis." Biology 13, no. 4 (April 9, 2024): 251. http://dx.doi.org/10.3390/biology13040251.

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A key step in the study of tree pathology is the identification of an appropriate method for inoculating pathogens of diseases in branches and trunks. Pathogens of diseases in branches and trunks are commonly inoculated through punching, burning, and toothpick inoculation. However, there is a lack of comparative analyses of the inoculation outcomes of these three methods. In this work, six-year-old P. alba var. pyramidalis were inoculated with V. sordida using punching, burning, and toothpick techniques to investigate the differences in the effectiveness of these inoculation methods. Results reveal that the incidence rate was 93.55% in the toothpick inoculation group, significantly higher than the 80.65% in the burning inoculation group (chi-square, n = 90, p = 0.007), while punching inoculation exhibited significant pathological responses in the early stages, with spontaneous healing in the later stage. Additionally, toothpick inoculation was more efficient in inducing Valsa canker when inoculating the pathogen at the bottom of the tree, with lower intra- and inter-row spacing (stand density) providing better outcomes than higher intra- and inter-row spacing. The results of this study demonstrate that toothpick inoculation is an optimal option for studying the artificial inoculation of V. sordida in six-year-old P. alba var. pyramidalis, providing technical support for research on poplar diseases and offering a theoretical basis for the inoculation of other diseases in the branch and trunk.
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Rousseau, G., T. Huynh Thanh, D. Dostaler, and S. Rioux. "Greenhouse and field assessments of resistance in soybean inoculated with sclerotia, mycelium, and ascospores of Sclerotinia sclerotiorum." Canadian Journal of Plant Science 84, no. 2 (April 1, 2004): 615–23. http://dx.doi.org/10.4141/p03-003.

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Thirty-five soybean lines were evaluated for sclerotinia stem rot (SSR) resistance using stem inoculations with mycelium in the field and greenhouse, flower inoculations with mycelium or ascospores in the field and greenhouse, and soil infestation with sclerotia in the field, between 1997 and 2000. Symptoms were evaluated by stem lesion length (SLL, mm) and lesion extension (LE, mm) after stem inoculations; infected flowers (IF, %) and a disease severity index (DSI, %) after flower inoculations with ascospores and mycelium; and a DSI after soil infestation with sclerotia. Results show significant differences among lines for SLL and LE in the greenhouse and for IF and DSI in the field and greenhouse. Significant correlations were found between stem inoculation and sclerotia method and between all trials with flower inoculation using either ascospores or mycelium. Maple Donovan and Frisquet were the least susceptible genotypes after flower inoculations with ascospores, whereas OAC Bayfield was the most susceptible. Maple Donovan was also the least susceptible genotype after mycelium stem inoculation in the trials in 2000, while OAC Bayfield was again the most susceptible. Nattosan was the most susceptible genotype in trials conducted in the fields infested with sclerotia. In this study, flower inoculations provided better discrimination than stem inoculations in the assessment of soybean genotypes for SSR resistance, and the results suggested two phenotypes of partial or incomplete resistance, one occurring in the flower, and the other in the stem. Key words: Sclerotinia sclerotiorum, soybean, mycelium, ascospores, inoculation, resistance
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Badmos, Adebayo, and Kelvin Fakehinde. "Multiple inoculations of ductile iron and the effects on properties." International Journal of Engineering & Technology 4, no. 4 (November 5, 2015): 526. http://dx.doi.org/10.14419/ijet.v4i4.4872.

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Multiple inoculation of ductile iron and the effects on the structure and mechanical properties have being investigated. Samples of ductile iron were produced with inoculation carried out either once or twice and with different materials as inoculants. Ferrosilicon was used for the primary inoculation and either ferrosilicon or nickel-ferrosilicon for the secondary inoculation. It is observed that the nodules produced are more and finer with multiple inoculations and the effect is more pronounced with nickel-ferrosilicon as the secondary inoculant. Multiple inoculations produce an increase in the hardness of ductile iron when ferrosilicon is used as the secondary inoculant while a decrease in the hardness is observed with nickel-ferrosilicon despite the finer nodules. This is explained by the fact that nickel enhances graphitization in cast iron thereby depleting carbon in the matrix and making the cast iron weaker but with more nodules.
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Dissertations / Theses on the topic "Inoculation"

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Bambara, Sylvie Karumeyi. "Effect of rhizobium inoculation, molybdenum and lime on the growth and N2 fixation in P. vulgaris L." Thesis, Cape Peninsula University of Technology, 2009. http://hdl.handle.net/20.500.11838/845.

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Thesis (MTech (Horticulture Science))--Cape Peninsula University of Technology, 2009
The study used common bean (P. vulgaris L. variety Provider) in a spilt-split-plot design involving 2 levels of Rhizobium inoculation (with and without rhizobia), 3 levels of lime (0, 2 and 3 t.ha-1) and 3 levels of molybdenum (0, 6 and 12 g.kg-1 of seeds) in a glasshouse experiment. The glasshouse experiment was then verified in the field during 2008 and 2009 cropping seasons. The aim was to assess the effects of Rhizobium inoculation, molybdenum and lime supply on: i) yield and yield components of the P. vulgaris L. ii) Changes in soil pH and the concentrations of selected plant-available nutrients in the rhizosphere, iii) photosynthesis and chlorophyll formation in P. vulgaris L. and (iv) plant growth and N2-fixation in P. vulgaris L. The results showed that Rhizobium inoculation had significant effects in increasing yield components and ultimately the final seed yield. Rhizobial inoculation also significantly increased the levels of chlorophyll content in leaves, improved all photosynthetic parameters, increased dry matter yield of different organs and decreased 15N values in all organs assessed. As a result, % nitrogen derived from atmosphere (%Ndfa) in all organs as well as the amount of N derived from fixation was improved. In the field, the whole plant level of N-fixation of P. vulgaris L. from Rhizobium inoculation accounted for approximately 33 kg N.ha-1. Furthermore, soil pH and the concentration of mineral nutrients (P, K, Ca, Mg, Na, Fe, Cu, Zn and Mn) in the rhizosphere were significantly increased with Rhizobium inoculation when compared with the control.
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PFAU, MICHAEL WALTON. "INOCULATION IN POLITICAL CAMPAIGN COMMUNICATION." Diss., The University of Arizona, 1987. http://hdl.handle.net/10150/184179.

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This study examined attack and inoculation message strategies in political campaign communication. A total of 341 initial and followup treatment interviews and 392 control interviews were completed among potential voters in a U.S. Senate campaign during October 1986. The study hypothesized that character attack messages directed to supporters of opposing candidates exert more influence than issue attack messages. This prediction was not supported. Contrary to prediction, the results indicated that, during the latter stages of a political campaign featuring known candidates, issue attack messages exert more persuasive impact than character attack messages. However, the primary purpose of this investigation was to apply McGuire's inoculation theory to political campaign communication. The study hypothesized that political campaign messages can be designed to inoculate supporters of candidates against the subsequent attack messages of opposing candidates. This prediction was supported. In addition, the results supported the hypothesis that inoculation confers more resistance to subsequent attack messages among strong political party identifiers as opposed to weak identifiers, nonidentifiers and crossovers. Contrary to prediction, however, the study found that inoculation confers more resistance among Democrat party loyalists as opposed to Republican party loyalists. The results of this investigation extend the scope of inoculation theory to new domain, and at the same time, suggest a new strategic approach for candidates in political campaigns.
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Nair, Elizabeth. "Stress inoculation in relation to war." Thesis, University of Nottingham, 1989. http://eprints.nottingham.ac.uk/11039/.

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This study is primarily concerned with the possible use and effectiveness of stress inoculation as a psychological preparation for combat. Initial fieldwork, in the form of a review of current practices and their supporting rationales, was carried out in military establishments in three small countries with conscript armies: Sweden, Switzerland and Israel. Commanders,Chief Instructors of Officer Cadet Schools,and military psychologists were interviewed: questions focused on the role, nature and evaluation of stress-related training. These data allowed a cognitive-behavioural model of the soldier in combat to be established, which identified various interventions to improve functioning during that combat. Using this model,a form of stress inoculation was constructed based on the Israeli procedure of group emotional reconstruction (GER) and involving aspects of Swedish audiovisual stress training. Subsequently,four laboratory experiments were conducted which considered the effectiveness of this stress inoculation procedure using a simulated combat stress scenario. These experimental studies were conducted with pre-conscript males in Singapore. Singapore shares common characteristics, geographical, economic, political, demographic and military, with the three countries visited. Several interesting findings emerged. First, although there was some evidence of a stress inoculation effect in terms of differences in the pattern of mood change across the treatment and test sessions(between GER and control conditions in the first two experiments),there was no persistent or lasting difference. It was concluded that the validity of the GER procedure for stress inoculation was not proved. Second, in several of the experiments, subjects' levels of arousal were observed to be reduced on exposure to "disturbing" stimuli and at times when their levels of stress remained high. It was suggested that this change from a high stress: high arousal experience (eg anxiety) to a high stress: low arousal experience (eg boredom) might reflect the subjects' use of cognitive disengagement as a coping strategy. Third, at the end of each test phase, subjects in the GER condition showed some evidence of cognitive disengagement in their mood response, except in the last experiment when they were required to complete a performance test. Finally, when the performance test was introduced in the test phase, it appears to have served as a distractor from the experience of stress for subjects in all conditions. The results are discussed in the light of the existing literature on stress inoculation, and recommendations for further research are presented.
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Wert, Janine Jackson. "Psychological Inoculation and Resiliency Training Program." The Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=osu1406653492.

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Magnusson, Lena. "On the Nucleation and Inoculation of Metals." Doctoral thesis, Stockholm : Royal Institute of Technology, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3893.

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Greiner, Blake William. "Inoculation and Spread of Dickeya in Potatoes." Thesis, North Dakota State University, 2019. https://hdl.handle.net/10365/29461.

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Field experiments were conducted in two different growing environments to evaluate the spread and movement of Dickeya dadantii. A procedure to inoculate seed potatoes with Dickeya dadantii was developed to use during this study. Spread of Dickeya dadantii from inoculated potato seed to healthy potato seed during the handling, cutting and planting procedures was not detected at either location. Spread of Dickeya dadantii from inoculated seed to surrounding progeny tubers in the field was documented in both locations. In Florida, 33% of progeny tubers tested positive for Dickeya using PCR, and in North Dakota, 13% of the progeny tubers tested positive. Stunting was observed in plants grown from Dickeya dadantii inoculated seed tubers in North Dakota, but not in Florida. These results indicate that Dickeya dadantii may spread during the seed handling and cutting processes and can spread in the field from infected seed tubers to progeny tubers.
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Coyne, Michael D. "Kindergarten intervention in beginning reading : inoculation or insulin? /." view abstract or download file of text, 2001. http://wwwlib.umi.com/cr/uoregon/fullcit?p3024511.

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Thesis (Ph. D.)--University of Oregon, 2001.
Typescript. Includes vita and abstract. Includes bibliographical references (leaves 183-194). Also available for download via the World Wide Web; free to University of Oregon users.
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Falab, Shanerin. "Virulence and Multiple infections of Hyaloperonospora arabidopsidis (Gäum.) Göker, Riethm., Voglmayr, Weiss & Oberw. on Arabidopsis thaliana (L.) Heyhn." Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLS246/document.

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Les infections multiples sont courantes dans la nature et sont considérées comme très importantes dans l'évolution des caractéristiques biologiques des parasites. Théoriquement, les infections multiples devraient entraîner une évolution de la virulence à la fois comme stratégie adaptative et comme stratégie plastique. Dans cette thèse, j'utilise Hyaloperonospora arabidopsidis, un parasite naturel d'Arabidopsis thaliana, qui s'est avéré pratique pour des études en écologie évolutive, pour étudier: i) les infections multiples consécutives à la co-inoculation et à l'inoculation séquentielle; succès de l'infection et succès de transmission d’une souche individuelle (génotypage par PCR) et des phénotypes d'infection, y compris virulence entre inoculation unique et mixte, iii) effet du délai d'inoculation et d'ordre des souches inoculées sur les phénotypes d'infection et le succès de l'infection individuelle. Ici, j'ai trouvé une fréquence plus élevée de co-infection à la suite de l'inoculation séquentielle que à la suite de la co-inoculation des mêmes combinaisons de souches. L'inoculation mixte de certaines combinaisons de souches a entraîné une modification des phénotypes d'infection, souvent avec un succès d'infection plus faible chez certaines souches à la suite des inoculations en mélanges qu’en inoculation simple. Ce résultat implique une interférence entre les souches dans l'inoculum mixte. La virulence globale de l'infection après l'inoculation mixte n'était pas toujours supérieure à celle de l'infection à souche simple. De plus, les souches uniques utilisées dans ces expériences ne différaient pas toujours les unes des autres en termes de virulence. Le seul test d'un mélange de génotypes à trois souches a provoqué une virulence globale plus élevée que les trois infections à souche unique respectives. Une plus grande virulence globale dans ce cas pourrait être due à la plasticité des souches parasitaires inoculées, à la réponse à la présence d'autres souches dans l'inoculum mixte ou à l'effet de multiples souches supprimant le système de défense de l'hôte. Lorsque les souches ont été inoculées de manière séquentielle et non ensemble, le succès de l'infection de souches individuelles différait entre les différents ordres d'inoculation, ce qui pourrait être dû à des effets indirects via le système de défense de l'hôte. En résumé, l'inoculation séquentielle a semblé réduire l'interférence entre les souches parasitaires, avec un effet de décalage temporel et d'ordre de la souche inoculée sur le succès de l'infection de souches individuelles. Une interférence dans un inoculum mixte peut générer différents succès d'infection et phénotypes d'infection à partir des inoculations individuelles respectives. J'ai trouvé un cas évident de virulence globale plus élevée dans les infections causées par des inoculations mixtes. Par conséquent, une virulence globale plus élevée peut se produire malgré le fait que nous ne trouvions pas de meilleures performances de génotypes plus virulents dans des infections à la suite d'inoculations mixtes. Ainsi, ces résultats ne permettent pas de prédire l’évolution de la virulence supérieure parmi ces combinaisons de souches testées. Cependant, la plasticité des phénotypes des souches inoculées dans l'inoculum mixte a généré une virulence globale de l'infection plus élevée. Ces résultats peuvent aider à comprendre comment les génotypes de parasites répondent aux infections mixtes
Multiple infections are common in nature, and are considered very important in the evolution of parasite life-history traits. Theoretically, multiple infections should lead to evolution of higher levels of virulence both as an adaptive and as a plastic strategy. In this thesis I use Hyaloperonospora arabidopsidis, a natural parasite of Arabidopsis thaliana, which has proven a useful tool for unlocking some evolutionary ecology questions, to investigate: i) multiple infections following co-inoculation and sequential inoculation, ii) number of infected plants, infection success and transmission success of individual strain (genotyping via PCR), and infection phenotypes including virulence between after single- and mixed inoculation, iii) effect of time lag of inoculation and order of inoculated strain on infection phenotypes and individual strain infection success. Here I found that sequential inoculation contributed higher frequency of co-infection than co-inoculation of the same strain combinations. Mixed inoculum of some strain combinations led to modification of overall infection phenotypes, often with poorer infection success of individual strains compared with that of the more infectious strains. This result implies interference between strains in mixed inoculum. Overall virulence of infection after mixed inoculation was not always higher than that of single strain infection. Furthermore the single strains used in these experiments did not always differ from each other in virulence. The one test of a three-strain mixture of genotypes caused higher overall virulence than the three respective single strain infections. Higher overall virulence in this case might be caused by plasticity of inoculated parasite strains reponse to the presence of other strains in mixed inoculum or an effect of multiple strains suppressing the host defence system. When strains were inoculated sequentially instead of together, infection success of individual strains differed between different orders of inoculation, which could be due to indirect effects via the host defence system. In summary, sequential inoculation seemed to reduce interference between parasite strains, with effect of time lag and order of inoculated strain on infection success of individual strains. Interference in mixed inoculum can generate different infection successs and infection phenotypes from the respective single inoculations. I found one clear case of higher overall virulence in infections caused by mixed inoculations. Thus higher overall virulence can occur despite our not finding higher performance of more virulent genotypes from infections following mixed inoculations. Thus these finding do not predict the evolution of higher virulence among these strain combinations tested. However, plasticity of phenotypes of inoculated strains in mixed inoculum did generate higher overall virulence of infection. These findings can help to understand how the parasite genotypes respond to in mixed infections
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Nicoli, Cécile. "Etude et optimisation de la solidification d’aciers faiblement alliés lors du process de fonderie par inoculation." Thesis, Paris, ENSAM, 2019. http://www.theses.fr/2019ENAM0021/document.

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L’objectif de ce travail consiste à améliorer les propriétés mécaniques d’un acier faiblement allié à bas carbone (0,2%) sans recours à des procédés de métallurgie secondaire onéreux. Pour cela, un processus d’inoculation, déjà utilisé lors de l’élaboration des fontes, est transposé à notre nuance d’acier. Il consiste à ajouter des éléments en très faible quantité dans l’acier liquide pour en modifier le processus de solidification donc la microstructure et par conséquent les propriétés de l’acier, dont la résilience. L’ajout d’éléments en très faible quantité ne modifie pas la nuance d’acier. Ils doivent être ajoutés en fin de fusion du métal sous forme de poudre dans le jet de coulée. Les effets de ces éléments se verront sur la microstructure notamment au niveau des inclusions et de la taille des grains. Le « bon candidat » est un élément qui conduira à une répartition homogène d’inclusions de petites tailles et de forme sphérique. Il doit aussi permettre de réduire la taille des grains. Ces modifications de structure sont supposées améliorer les propriétés mécaniques de l’acier et notamment la résistance aux chocs. Une pièce de référence est réalisée pour pouvoir en étudier la microstructure. La forme retenue est un lingot parallélépipédique dimensionné à l’aide d’un logiciel de simulation de coulée afin de prévenir des principaux défauts de fonderie. La taille est adaptée à l’échelle laboratoire (capacité four 120 kg). Les charges de fusion correspondant à la nuance étudiée sont fournies par l’entreprise partenaire de la thèse, SAFE Metal. La première étape est d’obtenir un bain convenablement désoxydé ; c’est-à-dire ajouter de l’aluminium afin de piéger l’oxygène dissous pour l’évacuer. Pour mettre en évidence d’éventuels effets significatifs des différents inoculants testés, il faut partir d’un échantillon de référence contenant un nombre d’inclusions relativement élevé. Ceci est obtenu en ajoutant du soufre dans le bain liquide. Cet élément agit directement sur le nombre d’inclusions présentes dans l’acier en formant des sulfures. Pour passer à l’étape d’inoculation il a fallu créer un outillage spécifique pouvant s’adapter à l’échelle du laboratoire. Des essais sont ensuite réalisés avec différents produits à des concentrations variables. Les échantillons obtenus sont analysés par différentes techniques : analyse chimique de l’acier (spectrométrie étincelle et ICP), analyse de microstructure et de la taille de grains (par micrographie optique) et le comptage inclusionnaire. En ce qui concerne ce dernier point qui consiste à détecter les inclusions, à les compter et à les classer par leur nature, leur forme et leur taille, deux possibilités existent. Soit à l’aide d’un microscope optique mais les risques d’erreur sont importants et le processus est long et fastidieux, soit à l’aide d’un logiciel spécifique (AZtec) couplé à un microscope électronique à balayage (MEB). C’est ce choix qui a été fait, car outre le fait qu’il permette un gain de temps considérable grâce à une automatisation du processus, il est possible de connaître via une sonde EDS, la composition chimique de chaque particule. Pour tous les produits testés, il a été montré que l’inoculation n’avait que peu d’effet sur la taille des inclusions et qu’elles deviennent plus complexes en contenant plusieurs éléments chimiques. Pour certains produits, on voit apparaître des amas d’inclusions. Ces amas sont susceptibles de favoriser la fragilité de l’acier en formant des amorces de fissuration. Pour d’autres, les inclusions diminuent nettement, ont une forme globulaire et la taille des grains est affinée. Ces effets ont tendance à améliorer les propriétés mécaniques de ces aciers. La teneur d’introduction de l’inoculant est aussi déterminée pour un maximum d’efficacité. L’inoculant le plus important pourra être utilisé pour une possible industrialisation
The objective of this work is to improve the mechanical properties of a low-carbon steel (0.2%) without the use of expensive secondary metallurgy processes. For this, a method of inoculation, already used during the development of the cast iron, is transposed to our steel grade. It consists in adding very small quantities in liquid steel in order to modify the solidification process, thus the microstructure and consequently the properties of the steel, especially resilience. The addition of elements in very small quantities does not modify the grade of steel. They must be added at the end of melting of the metal in the form of powder in the casting stream. The effects of these elements will be seen on the microstructure, particularly in terms of inclusions and grain size. The "good candidate" is an element that will lead to a homogeneous distribution of inclusions of small size and spherical shape. It must also make it possible to reduce the size of the grains. These structural modifications are supposed to improve the mechanical properties of the steel and in particular the impact resistance. A reference piece is made to study the microstructure. The retained shape is a parallelepiped ingot sized using a casting simulation software to prevent major foundry defects. The size is adapted to the laboratory scale (furnace capacity 120 kg). The load corresponding to the grade studied are provided by the SAFE Metal, the partner company. The first step is to obtain a suitably deoxidized bath; that means adding aluminum in order to trap the dissolved oxygen and to evacuate it. To demonstrate any significant effects of the various inoculants tested, it is necessary to start from a reference sample containing a relatively high number of inclusions. This is achieved by adding sulfur to the liquid bath. This element acts directly on the number of inclusions present in the steel by forming sulphides. For the inoculation stage, it was necessary to create specific tools that could be adapted to the laboratory scale. Trials are then carried out with different products at varying concentrations. The samples obtained are analyzed by various techniques: chemical analysis of steel (spark spectrometry and ICP), microstructure and grain size analysis (optical micrograph) and inclusion counting. In order to detect inclusions, count and classify them by their nature, shape and size, two possibilities exist. Either using an optical microscope but the risks of error are significant and the process is long and tedious, either using a specific software (AZtec) coupled to a scanning electron microscope (SEM). It is this choice that was made, because besides the fact that it allows a considerable saving of time thanks to an automation of the process, it is possible to know via an EDS probe, the chemical composition of each particle. For all the products tested, it was shown that inoculation had little effect on the size of the inclusions and that they became more complex by containing several chemical elements. For some products, clusters of inclusions appear. These clusters are likely to promote the fragility of steel by forming cracking primers. For others, the inclusions decrease sharply, have a globular shape and the grain size is refined. These effects tend to improve the mechanical properties of these steels. The introductory content of the inoculant is also determined for maximum effectiveness. The most efficient inoculant can be used for a possible industrialization
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South, Mary Lavinia. "The Southampton smallpox inoculation campaigns of the eighteenth century." Thesis, University of Winchester, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.549637.

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This thesis investigates an aspect of Southampton's history not previously explored, the effects of smallpox on the town and its environs during the eighteenth century. The work provides a new viewpoint on the town's efforts to establish and maintain itself as a sea bathing and spa health resort, while at the same time supporting sick and wounded military personnel, prisoners of war and billeted troops. The study undertakes a detailed analysis of the town's inoculation records, held within the `Inoculation Book' and from this produces new information on the prevailing attitudes towards the poor, smallpox and inoculation in the town. Brief comparisons with Salisbury and Winchester demonstrate two alternative attitudes towards outbreaks of the disease and the use of inoculation, within these communities. The thesis attempts to assess the efficacy of each approach. This would merit further detailed investigation in the future. Throughout the eighteenth century there were reports of inhabitants fleeing from the towns to rural areas during smallpox outbreaks. The thesis investigates the plausibility of this premise for the Southampton area, and drawing on modem scientific research together with established ecological observation, places these combined findings within the historical context. This has resulted in an entirely new and important evaluation of the role of the rural ecological environment in the survival of earlier generations and would benefit from further investigation in other areas of the country.
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Books on the topic "Inoculation"

1

Meichenbaum, Donald. Stress inoculation training. Boston: Allyn and Bacon, 1985.

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Mace, Roger Dennis. Stress inoculation in sport. Birmingham: University of Birmingham, 1986.

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Benaily, Nicolas. Inoculation of flake graphite iron. Birmingham: University of Birmingham, 1998.

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Bachelot, François. Inoculation mechanisms of ductile iron. Birmingham: University of Birmingham, 1997.

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Adami, J. George. The centenary of vaccination, May 14, 1796. [S.l: s.n., 1986.

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Cochard, Valéry. Inoculation of spheroidal graphite cast iron. Birmingham: University of Birmingham, 1995.

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Rao, D. L. N., and D. L. N. Rao. Biofertilizer research progress, 2004-2007. Bhopal: Indian Institute of Soil Science, 2008.

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International, Conference on Injection Metallurgy (4th 1986 Luleå Sweden). Scaninject IV: 4th International Conference on Injection Metallurgy, Luleå, Sweden, June 11-13, 1986 : proceedings. Luleå, Sweden: MEFOS, 1986.

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Québec (Province). Central Board of Health., ed. La Variole: Moyens de s'en préserver. [S.l: s.n., 1986.

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J, Davis R., ed. Design and analysis of an international experimental network: Legume inoculation trials in the NifTAL Project : the Inlit experience. Manoa: Hawaii Institute of Tropical Agriculture and Human Resources, College of Tropical Agriculture and Human Resources, University of Hawaii at Manoa, 1985.

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Book chapters on the topic "Inoculation"

1

Kak, Subhash. "Inoculation." In Encyclopaedia of the History of Science, Technology, and Medicine in Non-Western Cultures, 2349–50. Dordrecht: Springer Netherlands, 2016. http://dx.doi.org/10.1007/978-94-007-7747-7_8655.

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Lingti, Kong, and Xu Kuangdi. "Inoculation." In The ECPH Encyclopedia of Mining and Metallurgy, 1–2. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-0740-1_920-1.

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Levesque, Roger J. R. "Social Inoculation." In Encyclopedia of Adolescence, 2792–93. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-1695-2_728.

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Ber, Rosalie, and Pamela L. Witte. "Intrasplenic Inoculation." In Methods of Hybridoma Formation, 413–17. Totowa, NJ: Humana Press, 1987. http://dx.doi.org/10.1007/978-1-4612-4826-2_21.

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Evans, Richard I., and J. Greg Getz. "Social Inoculation." In Encyclopedia of Primary Prevention and Health Promotion, 1028–33. Boston, MA: Springer US, 2003. http://dx.doi.org/10.1007/978-1-4615-0195-4_150.

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Levesque, Roger J. R. "Social Inoculation." In Encyclopedia of Adolescence, 3686–87. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-33228-4_728.

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Shin, Donghee. "Misinformation and Inoculation: Algorithmic Inoculation Against Misinformation Resistance." In Artificial Misinformation, 197–226. Cham: Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-52569-8_8.

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Meichenbaum, Donald, and Roy Cameron. "Stress Inoculation Training." In Stress Reduction and Prevention, 115–54. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4899-0408-9_5.

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Mehlhorn, Heinz. "Entomological Inoculation Rate." In Encyclopedia of Parasitology, 948–49. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-43978-4_3835.

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Mehlhorn, Heinz. "Entomological Inoculation Rate." In Encyclopedia of Parasitology, 1. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-27769-6_3835-1.

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Conference papers on the topic "Inoculation"

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Le, Dat T. "Cybersecurity through Inoculation." In 2019 IEEE AUTOTESTCON. IEEE, 2019. http://dx.doi.org/10.1109/autotestcon43700.2019.8961051.

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Singh, Avantika, Shahiruddin, and M. A. Hassan. "Inoculation Monitoring Device." In 2013 International Conference on Emerging Trends in Communication, Control, Signal Processing and Computing Applications (C2SPCA). IEEE, 2013. http://dx.doi.org/10.1109/c2spca.2013.6749368.

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Jerkins, James A., and Jillian Stupiansky. "Mitigating IoT insecurity with inoculation epidemics." In ACM SE '18: Southeast Conference. New York, NY, USA: ACM, 2018. http://dx.doi.org/10.1145/3190645.3190678.

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Kechid, Maya, Rim Tinhinen Maougal, Khaoula Belhaddad, Dounia Reghis, and Abdelhamid Djekoun. "Effect of Azospirillum brasilense and Bacillus subtilis Inoculation on Durum Wheat Growth Response under Four Inoculation Methods." In ECM 2023. Basel Switzerland: MDPI, 2023. http://dx.doi.org/10.3390/ecm2023-16462.

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Shaposhnikov, A. I., N. A. Vishnevskaya, V. Yu Shakhnazarova, D. S. Syrova, E. V. Borodina, O. N. Kovaleva, and O. K. Strunnikova. "The effect of Fusarium culmorum and Pseudomonas fluorescens 2137 on the content of abscisic acid in the roots and shoots of barley seedlings." In 2nd International Scientific Conference "Plants and Microbes: the Future of Biotechnology". PLAMIC2020 Organizing committee, 2020. http://dx.doi.org/10.28983/plamic2020.220.

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Inoculation of barley with a F. culmorum not accompanied by an increase in the number of abscisic acid in plants, but under P. fluorescens 2137 inoculation, the accumulation of abscisic acid in the roots occurred.
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Thorne, James, and Andreas Vlachos. "Elastic weight consolidation for better bias inoculation." In Proceedings of the 16th Conference of the European Chapter of the Association for Computational Linguistics: Main Volume. Stroudsburg, PA, USA: Association for Computational Linguistics, 2021. http://dx.doi.org/10.18653/v1/2021.eacl-main.82.

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Blanco Martinez, Johana Guadalupe, Yago Kovara, Adalberto Adriano Gonçalves, Iago Costa, Dhyogo Miléo Taher, JOSÉ VIRIATO COELHO VARGAS, André Mariano, and GUstavo Finger. "PHOTOBIOREACTOR INOCULATION WITH SWINE SEWAGE FOR MICROALGAE CULTIVATION." In 24th ABCM International Congress of Mechanical Engineering. ABCM, 2017. http://dx.doi.org/10.26678/abcm.cobem2017.cob17-0634.

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Gounder, Muni Prashneel, and Neeraj Anand Sharma. "Contact Tracing Application for Aviation- A Digital Inoculation." In 2021 IEEE Asia-Pacific Conference on Computer Science and Data Engineering (CSDE). IEEE, 2021. http://dx.doi.org/10.1109/csde53843.2021.9718447.

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Neshumaeva, N. A., and A. V. Sidorov. "Comparison of methods of artificial inoculation of wheat with the loose smut pathogen U. tritici." In All-Russian Scientific Conference "Russian Science, Innovation, Education - 2022". Krasnoyarsk Science and Technology City Hall, 2022. http://dx.doi.org/10.47813/rosnio.2022.3.36-40.

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Two methods of artificial inoculation of wheat samples Novosibirskaya 15, Kuraginskaya 2, Kanskaya, K-712-4, Svirel, K-696-6, K-733-3, Altaiskaya 70 with the agent of loose smut U. tritici were compared in the conditions of the infectious nursery of the Krasnoyarsk Research Institute of Agriculture. The syringe method proved to be more effective as an inoculation.
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Konyakhina, Yu V., A. A. Sergeev, K. A. Titova, S. A. Pyankov, S. N. Yakubitskiy, and S. N. Shchelkunov. "LOW-DOSE SMALLPOX VACCINATION IN A MOUSE MODEL." In X Международная конференция молодых ученых: биоинформатиков, биотехнологов, биофизиков, вирусологов и молекулярных биологов — 2023. Novosibirsk State University, 2023. http://dx.doi.org/10.25205/978-5-4437-1526-1-254.

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Vaccinia virus (VACV) strains caused a more pronounced production of antibodies with intradermal (i.d.) injection compared to scarification (s.s.) inoculation. To test for developed protective immunity at 62 day post vaccination (dpv), mice were intranasally infected with a cowpox virus. The results showed that i.d. injection provided the development of protective immunity in mice to a much greater extent compared to s.s. inoculation with VACV strains.
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Reports on the topic "Inoculation"

1

Rueber, David. Effect of Inoculation of Soybean Seed on Yield. Ames: Iowa State University, Digital Repository, 2003. http://dx.doi.org/10.31274/farmprogressreports-180814-2429.

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Saunders, Teri, James E. Driskell, Joan Hall, and Eduardo Salas. The Effect of Stress Inoculation Training on Anxiety and Performance. Fort Belvoir, VA: Defense Technical Information Center, February 1996. http://dx.doi.org/10.21236/ada309082.

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DeJong, Joel L., and Wayne B. Roush. Soybean Yield Response to Rhizobium Inoculation on Converted Grass Pasture. Ames: Iowa State University, Digital Repository, 2012. http://dx.doi.org/10.31274/farmprogressreports-180814-2661.

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Nair, Ajay, Kathleen Delate, Georgeanne Artz, and Corene Bregendahl. Assessing Nitrogen Credits from Clover Cover Crops and Effects of Seed Inoculation. Ames: Iowa State University, Digital Repository, 2015. http://dx.doi.org/10.31274/farmprogressreports-180814-2791.

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Clayton, Brian, Christopher Brown, Lolita Burrell, and Michael Matthews. The Use of Neuropeptide Y as a Measurement of the Effectiveness of Stress Inoculation. Fort Belvoir, VA: Defense Technical Information Center, April 2011. http://dx.doi.org/10.21236/ada540922.

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Verkade, Stephen, and Philip Carpenter. Effects of Endomycorrhizal Inoculation on Growth of Selected Landscape Plants Used in Highway Revegetation. West Lafayette, IN: Purdue University, 1985. http://dx.doi.org/10.5703/1288284314096.

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Klepzig, Kier D., and Charles H. Walkinshaw. Cellular response of loblolly pine to wound inoculation with bark beetle-associated fungi and chitosan. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station, 2003. http://dx.doi.org/10.2737/srs-rp-30.

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Klepzig, Kier D., and Charles H. Walkinshaw. Cellular response of loblolly pine to wound inoculation with bark beetle-associated fungi and chitosan. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station, 2003. http://dx.doi.org/10.2737/srs-rp-30.

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Parmeter Jr., John R., and Robert F. Scharpf. Dwarf mistletoe in red and white firs in California–23 to 28 years after inoculation. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station, 1989. http://dx.doi.org/10.2737/psw-rn-406.

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Crocker, Fiona, Mark Fuller, and Kayla Clark. Bioaugmentation for enhanced mitigation of explosives in surface soil. Engineer Research and Development Center (U.S.), April 2024. http://dx.doi.org/10.21079/11681/48450.

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Residual munition constituents (MCs) generated from live-fire training exercises persist in soil and can migrate to groundwater, surface waters, and off-range locations. Techniques to mitigate this potential migration are needed. Since the MC hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) can be biodegraded, soil inoculation with RDX-degrading bacteria (i.e., bioaugmentation) was investigated as a means to reduce the migration potential of RDX. Metagenomic studies using contaminated soils have suggested that a greater diversity of bacteria are capable of RDX biodegradation. However, these bacteria remain uncultivated and are potentially a source of novel enzymes and pathways for RDX biodegradation. In situ soil cultivation of a novel soil array was used to isolate the uncultivated bacteria that had been inferred to degrade RDX. Approximately 10.5% of the bacteria isolated from the soil arrays degraded RDX by the aerobic denitration pathway. Of these, 26.5% were possibly novel species of RDX-degrading bacteria, based on 16S rRNA sequence similarity. Both cell encapsulation in hydrogels and coating cells onto granules of polymeric carbon sources were investigated as carrier/delivery approaches for soil inoculation. However, neither of these approaches could confirm that the observed RDX degradation was by the inoculated bacteria.
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