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Artykuły w czasopismach na temat "Pest infection"

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Atherton, Sherri, Jennifer L. Holmquist, Carter Carlson, Joy Petterson, Christopher Pfeiffer, and Deb Vourlas. "Pest Management: Infection Prevention's Role." American Journal of Infection Control 44, no. 6 (2016): S24—S25. http://dx.doi.org/10.1016/j.ajic.2016.04.200.

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A, Sathesh. "Spodoptera Litura Damage Severity Detection and Classification in Tomato Leaves." Journal of Innovative Image Processing 5, no. 1 (2023): 59–68. http://dx.doi.org/10.36548/jiip.2023.1.005.

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Agriculture plays a key role in global economy. Tomato is India's third most prioritized crop after potato and onion, but it is the world's second most prioritized crop after potato. Worldwide, India ranks second in tomato production. However, Tomato crop is constantly threatened by different pest infections. The most significant pest infection that highly affects the tomato crop yield is Spodoptera Litura. Emerging from the family of Noctuidae with vigorous eating pattern, this insect primarily feed on leaves and fruits by leaving the entire crop completely destroyed. Monitoring the pest spre
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Henny Hendarjanti and Henik Sukorini. "Natural Occurrence of Metarhizium rileyi on Darna diducta as a Biological Control for Oil Palm Pests in Poso, Central Sulawesi." Andalasian International Journal of Entomology 2, no. 2 (2024): 98–105. http://dx.doi.org/10.25077/aijent.2.2.98-105.2024.

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The nettle caterpillar, Darna diducta, is a significant pest in oil palm plantations, causing damage to palm fronds that impacts overall plant health and yield. Traditionally, synthetic insecticides are used to manage this pest; however, such intensive chemical use has led to adverse effects, including pest resistance, resurgence, and environmental degradation. Entomopathogenic fungi like Metarhizium rileyi (formerly Nomuraea) represent a promising, environmentally friendly alternative for pest control. This study focused on the natural occurrence of M. rileyi infections in D. diducta larvae w
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Sai, Thilak K., D. N. Parmar, and R. D. Dodiya. "ACID BUG (NAIROBI FLY) AN UNWANTED." AgriSustain-An International Journal 02, no. 02 (2024): 18–23. https://doi.org/10.5281/zenodo.13834767.

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Nairobi fly is an important pest in recent times which gained medical importance in terms of controlling of it from infecting us and the distribution of this pest across world and in India and it effects on humans and its statistical data of infection among people and species involving in it and about its morphology and habitat and chemical toxins. There are some preventive and curative measures need to be followed. It has producing and its chemical structure and its effect on the human body and also its preventive and curative measures need to be taken before prior infection.
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Amritpal Singh Kaleka and Gagan Preet Kour Bali. "Pest Status of Subfamily Lymantriinae (Lepidoptera: Erebidae: Noctuoidea): Review." Andalasian International Journal of Entomology 2, no. 1 (2024): 60–67. http://dx.doi.org/10.25077/aijent.2.1.60-67.2024.

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Plant diseases and pests are important factors determining plant yield production, including mango. Mango fruit rot caused by insects and microbes has become a significant threat to mango production in Southeast Asia and worldwide. Insect plant pathogens affect crop yields' profitability, quality, and quantity. Some infections could occur before harvest and remain dormant until the favourable condition is achieved, and the disease will break out after harvest, reducing mango production. They act as a threat to the crops through various mechanisms of pathogenesis that compromise the immune syst
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Ran, Wenxue, and Qilian Tang. "Research on Plant Disease and Pest Diagnosis Model Based on Generalized Stochastic Petri Net." Applied Sciences 15, no. 12 (2025): 6656. https://doi.org/10.3390/app15126656.

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With the advancement of modern agricultural technology and the expansion of large-scale production, this article aims to solve the difficulties in plant disease and pest control through the application of artificial intelligence and automation technology, and provide accurate disease and pest warning mechanisms. This study first conducted a detailed identification and classification of plant disease and pest warning mechanisms, and established a dynamic model of disease and pests based on the environmental factors and symptoms of affected areas. On this basis, using the isomorphism relationshi
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Wei, Chunjin, and Lansun Chen. "Global Dynamics Behaviors of Viral Infection Model for Pest Management." Discrete Dynamics in Nature and Society 2009 (2009): 1–16. http://dx.doi.org/10.1155/2009/693472.

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According to biological strategy for pest control, a mathematical model with periodic releasing virus particles for insect viruses attacking pests is considered. By using Floquet's theorem, small-amplitude perturbation skills and comparison theorem, we prove that all solutions of the system are uniformly ultimately bounded and there exists a globally asymptotically stable pest-eradication periodic solution when the amount of virus particles released is larger than some critical value. When the amount of virus particles released is less than some critical value, the system is shown to be perman
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Pavan, J. S., B. L. Raghunandan, Nainesh B. Patel, C. N. Rajarushi, M. R. Raiza Nazrin, and K. S. Ishwarya Lakshmi. "Baculoviruses in Integrated Pest Management of Fall Armyworm, (Spodoptera frugiperda) (Lepidoptera: Noctuidae): Structure, Classification and Application." Journal of Advances in Biology & Biotechnology 27, no. 9 (2024): 261–71. http://dx.doi.org/10.9734/jabb/2024/v27i91296.

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Baculoviruses are crucial biological agents in integrated pest management (IPM), particularly for controlling lepidopteran pests in agriculture. These are highly specific, eco-friendly viruses characterized by rod-shaped nucleocapsids containing a protein-encased genome. The Baculoviridae family comprises four genera: Alphabaculovirus, Betabaculovirus, Gammabaculovirus, and Deltabaculovirus, each targeting specific insect orders. Nucleo polyhedron virus (NPVs) and granuloviruses (GVs) are extensively used in pest management due to their high virulence and specificity, ensuring safety for non-t
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Svihra, Pavel. "Principles of Eradicative Pruning." Arboriculture & Urban Forestry 20, no. 5 (1994): 262–72. http://dx.doi.org/10.48044/jauf.1994.047.

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Excision of infected or infested branches from woody plants was recommended as a control tactic more than 150 years ago. The term "eradicative pruning" was first introduced for Dutch elm disease control. Eradicative pruning can eliminate local and regional branch (limb) infection or infestation to prevent further spread of a pathogen or pest in the tree. When combined with other chemical and cultural treatments, eradicative pruning fits well to the concept of Integrated Pest Management (IPM) or Plant Health Care (PHC). Timing of pruning, severity and extent of symptoms, location of pathogen or
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Mondal, Ashok, A. K. Pal, and G. P. Samanta. "Analysis of a Delayed Eco-Epidemiological Pest–Plant Model with Infected Pest." Biophysical Reviews and Letters 14, no. 03 (2019): 141–70. http://dx.doi.org/10.1142/s1793048019500061.

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This work describes a delayed pest–plant ecological model with infection in the pest population. The interactions between plant and susceptible pest and also between susceptible and infected pest are taken as Holling type II responses. Well-posedness of the system has been discussed. Stability analysis of all equilibria has been performed. The effect of time-delay has been studied, where the delay may be regarded as the incubation period of the infected pest. Existence of a Hopf-bifurcation around interior equilibrium has been established by considering the amount of delay as bifurcation param
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Rozprawy doktorskie na temat "Pest infection"

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Bath, Abigail Jane. "Temperature and infection by Metarhizium spp. in the desert locust." Thesis, University of Bath, 1997. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.245884.

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Sitch, Joanne Claire. "The resistance of non target invertebrates to infection by the entomopathogenic fungus Verticillium lecanii (Zimm.) viegas." Thesis, University of Southampton, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.388348.

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Mathieu, Danielle. "Effects of temperature and duration of leaf wetness on infection of celery by Septoria apiicola, and cultivar screening for partial resistance." Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=61198.

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The number of lesions increased with increasing temperatures over the range of wet periods except at 30$ sp circ$C, where their number decreased with increasing wetness duration. Cultivars were evaluated for partial resistance under field and greenhouse conditions. In the field ranking was based on cluster analysis of the standard area under the disease progress curve (SAUDPC) for intervals between sampling dates. In the greenhouse, the cultivars were evaluated on the basis of their response relative to five components of partial resistance: the SAUDPC, mean lesion area (MLA), pycnidial densit
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Freeborough, Michael-John 1971. "A pathogen-derived resistance strategy for the broad-spectrum control of grapevine leafroll-associated virus infection." Thesis, Stellenbosch : Stellenbosch University, 2003. http://hdl.handle.net/10019.1/53285.

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Thesis (PhD)--University of Stellenbosch, 2003.<br>ENGLISH ABSTRACT: Grapevine leafroll-associated virus-3 is one of ten members of the C/osteroviridae that are known to infect grapevine. Nine of these viruses are associated with grapevine leafroll disease, of which GLRaV-1 and GLRaV-3 are the most important and widespread. Members of the C/osteroviridae are unique amongst the viruses, as it is the only known family whose members encode a heat shock protein 70 kOa homolog (Hsp70h). The Hsp70h is a movement protein (MP) that is required for the active translocation of the virion structur
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Pocock, Michael James Orlando. "The spatial population dynamics of house mice (Mus musculus domesticus) with reference to the potential transmission of zoonoses." Thesis, University of York, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.369343.

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Barton, Ksenia O. "Patterns of survivorship and susceptibility to rust infection in a population of Arisaema triphyllum." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape10/PQDD_0005/MQ44123.pdf.

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Hauxwell, Irene Caroline. "Evaluation of potential baculovirus insecticides : studies of the infection process and host susceptibility." Thesis, Imperial College London, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.312316.

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Bohórquez, Garzón José Alejandro. "Immunopathogenesis of persistent and subclinical infections generated by Classical swine fever virus." Doctoral thesis, Universitat Autònoma de Barcelona, 2021. http://hdl.handle.net/10803/673869.

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La pesta porcina clàssica (PPC) continua sent una de les malalties més importants en sanitat animal, inclosa a la llista de malalties de declaració obligatòria de l’Organització Mundial de Sanitat Animal (OIE). És causat pel virus de la PPC (VPPC), membre del gènere Pestivirus de la família Flaviviridae. A causa de les greus conseqüències de la PPC, en termes socioeconòmics, el control de la malaltia als països endèmics es considera una tasca de gran importància. Un dels reptes per al control de la malaltia és la presència de formes persistents de PPC al camp, que poden ser congènites o postna
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Cartagena, Juan Carlos. "Contribution a l'etude de la sensibilite des insectes aux maladies infectieuses : influence de la fumure sur la sensibilite d'un insecte phytophage, spodoptera littoralis, boisduval (lepidoptera, noctuidae), a la polyedrose nucleaire." Paris 6, 1987. http://www.theses.fr/1987PA066152.

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On etudie la biologie du developpement et la sensibilite des chenilles de s. Littoralis a une polyedrose nucleaire. L'etude est realisee en fonction des fumures appliquees sans discontinuite chaque annee sur une culture de betteravess. Une carence azotee du regime alimentaire retarde le developpement des larves. Une deficience en phosphore provoque une diminution de la capacite reproductive des adultes. La sensibilite des chenilles a la virose est liee a la teneur de l'azote dans les feuilles et croit avec l'age des feuilles sur lesquelles elles s'alimentent
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Du, Preez Izak Frederik. "Infection pathways of Botrytis cinerea on selected wine grape cultivars." Thesis, Stellenbosch : Stellenbosch University, 2002. http://hdl.handle.net/10019.1/52889.

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Thesis (MScAgric)--University of Stellenbosch<br>ENGLISH ABSTRACT: An understanding of the infection pathways of Botrytis cinerea in grape bunches will help to combat this devastating pathogen of grape. Many studies have been done to determine the possible infection pathways of B. cinerea. Most of these studies made use of artificial inoculations that deposit groups of conidia on the plant surface. The deposition of clusters of conidia is not a common phenomenon in nature. The aim of this study was to investigate the infection pathways of (i) naturally- as well as (ii) artificially inocu
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Książki na temat "Pest infection"

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Hoff, R. J. How to recognize blister rust infection on whitebark pine. U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1992.

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Samman, Safiya. How to identify blister rust infection and resistance in sugar pine. The Region, 1993.

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Fairweather, Mary Lou. Dwarf mistletoe infection in ponderosa pine. U.S. Dept. of Agriculture, 1990.

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Bartrip, P. W. J. Myxomatosis: A history of pest control and the rabbit. Tauris Academic Studies, 2008.

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Wahlström, Kjell T. Infection biology of Armillaria species: In vitro pectinolytic activity, infection strategy field distribution and host responses. Swedish University of Agricultural Sciences, Dept of Forest Mycology and Pathology, 1992.

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McCoy, C. W. Pathogens infecting insects and mites of citrus. Friends of Microbes, 2009.

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Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.), ed. Natural infection of new hosts by hemlock dwarf mistletoe. USDA Forest Service, Rocky Mountain Forest and Range Experiment Station, 1994.

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Mathiasen, Robert L. Natural infection of new hosts by hemlock dwarf mistletoe. Rocky Mountain Forest and Range Experiment Station, U.S. Dept. of Agriculture, 1994.

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Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.), ed. Natural infection of new hosts by hemlock dwarf mistletoe. USDA Forest Service, Rocky Mountain Forest and Range Experiment Station, 1994.

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Closel, Elisabeth Du. Docteur Nam: La fabuleuse histoire de l'homme qui soigna la peste. A. Michel, 1996.

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Części książek na temat "Pest infection"

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Magarey, R. D., and T. B. Sutton. "How to Create and Deploy Infection Models for Plant Pathogens." In General Concepts in Integrated Pest and Disease Management. Springer Netherlands, 2007. http://dx.doi.org/10.1007/978-1-4020-6061-8_1.

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Israel, Ora, Enrique Estrada-Lobato, and Thomas Neil Pascual. "Infection and Inflammation Imaging." In A Practical Guide for Pediatric Nuclear Medicine. Springer Berlin Heidelberg, 2023. http://dx.doi.org/10.1007/978-3-662-67631-8_11.

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AbstractMost commonly infectious processes in children involve the peripheral skeleton, lungs, kidneys, brain, and heart. Pediatric infections are usually of viral and bacterial origins. Fungal etiology can be found, mainly in children with immunodeficiency. Neonates also have immature immunity and are prone to infections with a less favorable prognosis. Conventional techniques used to evaluate infectious and inflammatory processes in children provide high-resolution images but are limited since only insignificant findings are seen in early disease stages and the differential diagnosis with co
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Morgan, Lynette. "Plant health, plant protection and abiotic factors." In Hydroponics and protected cultivation: a practical guide. CABI, 2021. http://dx.doi.org/10.1079/9781789244830.0010.

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Abstract This chapter describes (i) major greenhouse pests (including insects, mites and nematodes) and pest control options focusing on integrated pest management (which involves the use of 'ofter' control options such as biological and microbial control combined with physical exclusion, pest trapping, resistant crops and other methods); (ii) selected diseases of hydroponic crops, including those caused by fungi, bacteria and viruses; and (iii) physiological disorders caused by non-living or non-infectious factors such as temperature, light, irrigation water quality and salinity, chemical inj
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Morgan, Lynette. "Plant health, plant protection and abiotic factors." In Hydroponics and protected cultivation: a practical guide. CABI, 2021. http://dx.doi.org/10.1079/9781789244830.0170.

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Abstract This chapter describes (i) major greenhouse pests (including insects, mites and nematodes) and pest control options focusing on integrated pest management (which involves the use of 'ofter' control options such as biological and microbial control combined with physical exclusion, pest trapping, resistant crops and other methods); (ii) selected diseases of hydroponic crops, including those caused by fungi, bacteria and viruses; and (iii) physiological disorders caused by non-living or non-infectious factors such as temperature, light, irrigation water quality and salinity, chemical inj
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Hickeson, Marc P. "Infection and Inflammation." In Pediatric PET Imaging. Springer New York, 2006. http://dx.doi.org/10.1007/0-387-34641-4_24.

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Arnon-Sheleg, Elite, and Zohar Keidar. "Vascular Graft Infection." In FDG-PET/CT and PET/MR in Cardiovascular Diseases. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-09807-9_15.

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Kul, Oguz, Hasan Tarık Atmaca, and Muhammad Munir. "Pathology of Peste des Petits Ruminants Virus Infection in Small Ruminants and Concurrent Infections." In Peste des Petits Ruminants Virus. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-662-45165-6_7.

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Fanti, Stefano, Mohsen Farsad, Luigi Mansi, and Paolo Castellucci. "Infection and Inflammation." In Atlas of PET-CT. Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-662-57742-4_14.

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Mannino, M. Constanza, Belén Davyt-Colo, and Nicolás Pedrini. "Toxic Secondary Metabolites and Virulence Factors Expression by Entomopathogenic Fungi during Insect Infection and Potential Impact as a Tool for Pest Management." In Sustainability in Plant and Crop Protection. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-67231-7_6.

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Chomel, Bruno B. "And Other House Pets." In Infections of Leisure. Springer New York, 1994. http://dx.doi.org/10.1007/978-1-4612-2588-1_9.

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Streszczenia konferencji na temat "Pest infection"

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Zhang, Jingjin, and Zhongyi Xiang. "Study on the mathematical model of virus infection in pest management." In 2014 26th Chinese Control And Decision Conference (CCDC). IEEE, 2014. http://dx.doi.org/10.1109/ccdc.2014.6852426.

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Soboleva, L. M., M. Yu Sanin, and T. V. Plotnikova. "BIOLOGIZED WAY TO REDUCE HARMFULNESS OF PEACH APHID MYZODES PERSICAE SULZ. ON TOBACCO SOWINGS." In 11-я Всероссийская конференция молодых учёных и специалистов «Актуальные вопросы биологии, селекции, технологии возделывания и переработки сельскохозяйственных культур». V.S. Pustovoit All-Russian Research Institute of Oil Crops, 2021. http://dx.doi.org/10.25230/conf11-2021-230-233.

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The article offers a biologized method to effectively protect tobacco from the peach aphid, a dangerous pest, and a carrier of a viral infection. The method is based on the application of domestic bioinsecticides Bikol, Rapsol, and Biostop. We determined that triple treatment with these preparations effectively (by 81–87 %) suppress the number of phytopathogens for 14 days at the level of economic threshold of harmfulness. At the same time, the prevalence of viral infection is reduced by 2.5–3.3 times.
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Kanyile, Sthandiwe, Tobias Engl, and Martin Kaltenpoth. "Nutritional Symbionts Confer Structural Defence Against Predation and Fungal Infection in a Grain Pest Beetle." In The 1st International Electronic Conference on Entomology. MDPI, 2021. http://dx.doi.org/10.3390/iece-10525.

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Guelfi, João Antônio T., Lucas Otavio Leme Silva, Messias Xavier Magalhaes, Cesar Augusto Dias Batista, Edivan José Possamai, and Fabricio Martins Lopes. "Evaluation of deep learning approaches in the identification and classification of fungal spores from microscopy slides." In Brazilian e-Science Workshop. Sociedade Brasileira de Computação - SBC, 2024. http://dx.doi.org/10.5753/bresci.2024.244204.

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Soybean cultivation is one of the principal crops in agricultural production in Brazil, moving a relevant agribusiness production chain. However, there are problems during the production process, involving care from planting, development to harvesting. In particular, the control of pests such as fungi is of great relevance to production. Monitoring and decision-making for the prevention and application of fungicides in the sector has become a major focus in terms of sustainability, productivity, and healthier production for human and animal consumption. Computational approaches have been appli
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Petrova, A. D. "VIRAL AND NEMATODE INFECTIONS IN PLANTINGS OF THE GARDEN STRAWBERRY." In THEORY AND PRACTICE OF PARASITIC DISEASE CONTROL. VNIIP – FSC VIEV, 2024. http://dx.doi.org/10.31016/978-5-6050437-8-2.2024.25.316-321.

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Protecting strawberries from various diseases and phytoparasites plays an important role in providing high yields. Ditylenchiasis caused by the stem nematode Ditylenchus dipsaci (Kuhn, 1857, Filipjev, 1936) is a wide-spread and highly dangerous disease with the greatest economic impact worldwide. The disease is common in industrial gardens, on farms and subsidiary farms. The stem nematode being a serious pest reduces strawberry yield by almost 3-5 times. Berries become small and ugly on damaged plants and their sugar content decreases. The plant reproductive capacity decreases by 6-10 times. T
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Horhogea, Cristina Elena, Emanuela Hreniuc, Cristina Mihaela Rimbu, and Ivona Popovici. "Campylobacter spp. – immunological screening in pets with infectious enteritis." In Simpozion Ştiinţific Internaţional "50 ani de învăţământ superior medical veterinar din Republica Moldova". Technical University of Moldova, 2025. https://doi.org/10.52326/ismv2024.27.

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Infections caused by germs of the genus Campylobacter are important in human and veterinary medicine pathology, especially since pets (dogs and cats) are part of many families. The carrying and sheding of these microorganisms by animals is a source of infection for humans, but it is also an important etiological agent of acute gastroenteritis in animals. Immunological screening performed on 46 diarrhoeal feces collected from 39 dogs and 7 cats aimed to identify bacterial antigens by using a lateral flow immunochromatographic test. Even though the bacterioscopic examination indicated the presen
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Ristić, Velizar, Dragana Despot, Anica Divljaković, and Marijana Mačužić. "Biological efficacy of etofenprox-based preparations in controlling bed bugs." In 36. Savetovanje dezinfekcija, dezinsekcija i deratizacija jedan svet - jedno zdravlje, Vrnjačka Banja, hotel "Vrnjačke Terme", 28-31.maj 2025.godine. Srpsko veterinarsko društvo, 2024. https://doi.org/10.5937/ddd25116r.

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Bed bugs pose a significant health challenge due to allergic reactions, skin manifestations, and psychological stress they can cause. Controlling these pests is crucial for maintaining hygiene and preventing infections in refugee centers. This study analyzes the efficacy of preparations based on the active ingredient etofenprox, combined with other control methods, in a refugee center in Sjenica. The preparation was applied to bed frames and other infestation sources, along with the combined use of steam and regular vacuum cleaners for cleaning mattresses and bedding. Efficacy was monitored th
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Maslennikova, O. V., and V. V. Maslennikova. "ECHINOCOCCOSIS AND TRICHINELLOSIS OF THE WOLF IN THE KIROV REGION." In THEORY AND PRACTICE OF PARASITIC DISEASE CONTROL. VNIIP – FSC VIEV, 2025. https://doi.org/10.31016/978-5-6053355-1-1.2025.26.202-207.

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The infection of the wolf with two zoonotic helminth infections, echinococcosis and trichinellosis, was monitored in the Kirov Region. The method of helminthological dissections and compressor trichinelloscopy studied 45 wolves obtained by hunters in the Kirov Region. One hundred foxes and 30 raccoon dogs underwent a helminthological dissection. Wolves are a source of echinococcosis in natural biocenoses. When they visit populated areas, they disseminate helminth eggs. The percentage of Echinococcus granulosus infected predators ranged from 25.9 to 33.3%. Intermediate hosts are the moose and t
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Grčak, Milosav, Dragan Grčak, Desimir Knežević, Radivoje Jevtić, Vesna Župunski, and Branka Orbović. "THE EFFECT OF INTERCROPPING WINTER OATS AND PEAS ON POWDERY MILDEW CONTROL AS A PROTECTIVE STRATEGY IN ORGANIC FARMING." In 12. JEEP INTERNATIONAL SCIENTIFIC AGRIBUSINESS CONFERENCE, MAK 2025 – KOPAONIK. Association science and business center WORLD; Institute for plant protection and environmen, 2025. https://doi.org/10.46793/mak2025.178g.

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: Intercropping cereals and legumes offers a sustainable and effective strategy for improving the health of organic farming systems. By combining cereal crops with legumes, this practice enhances biodiversity and promotes natural disease control, reducing the reliance on chemical pesticides and disrupts pest and disease cycles, ultimately leading to fewer outbreaks. Furthermore, legumes, such as peas, fix nitrogen in the soil, improving soil fertility and reducing the need for synthetic fertilizers. This study aimed to evaluate the variation in disease indices (DI) of powdery mildew in monocro
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Volkova, S. N., E. E. Sivak, and V. V. Gerasimova. "THE INFLUENCE OF PRECURSORS IN CROP ROTATION ON CROP YIELDS." In Agrobiotechnology-2021. Publishing house of RGAU - MSHA, 2021. http://dx.doi.org/10.26897/978-5-9675-1855-3-2021-68.

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Raporty organizacyjne na temat "Pest infection"

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Chejanovsky, Nor, and Bruce A. Webb. Potentiation of pest control by insect immunosuppression. United States Department of Agriculture, 2004. http://dx.doi.org/10.32747/2004.7587236.bard.

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Our original aims were to elucidate the mechanisms through which the immunosuppressive insect virus, the Campoletis sonorensis polydnavirus (CsV) promotes replication of a well-characterized pathogenic virus, the Autographa californica multiple nucleopolyhedrovirus (AcMNPV) in hosts that are mildly or non-permissive to virus replication. According to the BARD panels criticism we modified our short-term goals (see below). Thus, in this feasibility study (one-year funding) we aimed to show that: 1. S. littoralis larvae mount an immune response against a baculovirus infection. 2. Immunosuppressio
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Chejanovsky, Nor, and Bruce A. Webb. Potentiation of Pest Control by Insect Immunosuppression. United States Department of Agriculture, 2010. http://dx.doi.org/10.32747/2010.7592113.bard.

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The restricted host range of many baculoviruses, highly pathogenic to Lepidoptera and non-pathogenic to mammals, limits their use to single or few closely related Lepidopteran species and is an obstacle to extending their implementation for pest control. The insect immune response is a major determinant of the ability of an insect pathogen to efficiently multiply and propagate. We have developed an original model system to study the Lepidopteran antiviral immune response based on Spodoptera littoralis resistance to AcMNPV (Autographa californica multiple nucleopolyhedrovirus) infection and the
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Herrera C., Lorena, Laura Villamizar R., and Juliana Gómez V. Development of an immunological technique for detecting granulovirus infection in Tuta absoluta larvae (Lepidoptera: Gelechiidae). Corporación Colombiana de Investigación Agropecuaria - AGROSAVIA, 2012. http://dx.doi.org/10.21930/agrosavia.poster.2012.12.

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Tuta absoluta (Meyrick, 1917) (Lepidoptera: Gelechiidae), known as tomato moth or tomato leafminer is a microlepidopter from Gelechiidae’s family, which is widely distributed on America, Europe, Africa and Asia and is considered the most important pest of this crop (Roditakis et al. 2010). Phthorimaea operculella granulovirus (PhopGV) has been used for controlling larvae of different moths from Gelechiidae’s family as Tecia solanivora and P. operculella in several countries of South America as Colombia, Brazil, Argentina and Peru, and probably can also be pathogenic for T. absoluta larvae. How
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Hunter, Martha S., and Einat Zchori-Fein. Rickettsia in the whitefly Bemisia tabaci: Phenotypic variants and fitness effects. United States Department of Agriculture, 2014. http://dx.doi.org/10.32747/2014.7594394.bard.

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The sweet potato whitefly, Bemisia tabaci (Hemiptera: Aleyrodidae) is a major pest of vegetables, field crops, and ornamentals worldwide. This species harbors a diverse assembly of facultative, “secondary” bacterial symbionts, the roles of which are largely unknown. We documented a spectacular sweep of one of these, Rickettsia, in the Southwestern United States in the B biotype (=MEAM1) of B. tabaci, from 1% to 97% over 6 years, as well as a dramatic fitness benefit associated with it in Arizona but not in Israel. Because it is critical to understand the circumstances in which a symbiont invas
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Chejanovsky, Nor, and Suzanne M. Thiem. Isolation of Baculoviruses with Expanded Spectrum of Action against Lepidopteran Pests. United States Department of Agriculture, 2002. http://dx.doi.org/10.32747/2002.7586457.bard.

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Our long-term goal is to learn to control (expand and restrict) the host range of baculoviruses. In this project our aim was to expand the host range of the prototype baculovirus Autographa cali/arnica nuclear polyhedrosis virus (AcMNPV) towards American and Israeli pests. To achieve this objective we studied AcMNPV infection in the non-permissive hosts L. dispar and s. littoralis (Ld652Y and SL2 cells, respectively) as a model system and the major barriers to viral replication. We isolated recombinant baculoviruses with expanded infectivity towards L. dispar and S. littoralis and tested their
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Pegg, Elaine, Johanna Jackson, Charlotte Evans, and Victoria Cohen. An assessment of the risk of companion animals acquiring Salmonella, Escherichia coli spp., Campylobacter spp. and MRSA from contaminated raw pet food, and associated risks to pet owners from the use of these product in the home. Food Standards Agency, 2024. http://dx.doi.org/10.46756/sci.fsa.nss574.

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Zchori-Fein, Einat, Judith K. Brown, and Nurit Katzir. Biocomplexity and Selective modulation of whitefly symbiotic composition. United States Department of Agriculture, 2006. http://dx.doi.org/10.32747/2006.7591733.bard.

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Whiteflies are sap-sucking insects that harbor obligatory symbiotic bacteria to fulfill their dietary needs, as well as a facultative microbial community with diverse bacterial species. The sweetpotato whitefly Bemisia tabaci (Gennadius) is a severe agricultural pest in many parts of the world. This speciesconsists of several biotypes that have been distinguished largely on the basis of biochemical or molecular diagnostics, but whose biological significance is still unclear. The original objectives of the project were (i) to identify the specific complement of prokaryotic endosymbionts associa
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Sanabria, Johana, Ginna Quiroga, Cindy Mejía, Erika Grijalba, and Martha Goméz. Effect of abiotic factors on viability and characterization of Metarhizium rileyi Nm017. Corporación colombiana de investigación agropecuaria - AGROSAVIA, 2019. http://dx.doi.org/10.21930/agrosavia.poster.2019.18.

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The species Chloridea virescens and Helicoverpa zea (Lepidoptera: Noctuidae) are declared agricultural pests with a high economic impact worldwide (Angulo et al. 2008). They are widely distributed on the American continent, and agrochemical are the most common method to control, which can cause environmental, social, economic and public impacts. A strain of Metarhizium rileyi Nm017 [AGROSAVIA - Orinoquia area (Col.)], demonstrated an e cacy of 75.8% on C. virescens, and 92.5% on H. zea on laboratory conditions. Mass production and virulence of Metarhizium sp. are susceptible to stress conditio
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Glazer, Itamar, Alice Churchill, Galina Gindin, and Michael Samish. Genomic and Organismal Studies to Elucidate the Mechanisms of Infectivity of Entomopathogenic Fungi to Ticks. United States Department of Agriculture, 2013. http://dx.doi.org/10.32747/2013.7593382.bard.

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The overall goal of this research was to elucidate the factors affecting early development of Metarhizium spp. (previously named M. anisopliae) on ticks or tick cuticle extracts and the molecular basis of these early infection processes. The original objectives were: 1. Characterize the pre-penetration events (adhesion, germination and appressorium formation) of spores of M. anisopliae strains with high or low virulence during tick infection. 2. Create GFP-expressing strains of M. anisopliae tick pathogens having high and low virulence to compare their progress of infection by microscopy. 3. U
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Sela, Hanan, Eduard Akhunov, and Brian J. Steffenson. Population genomics, linkage disequilibrium and association mapping of stripe rust resistance genes in wild emmer wheat, Triticum turgidum ssp. dicoccoides. United States Department of Agriculture, 2014. http://dx.doi.org/10.32747/2014.7598170.bard.

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The primary goals of this project were: (1) development of a genetically characterized association panel of wild emmer for high resolution analysis of the genetic basis of complex traits; (2) characterization and mapping of genes and QTL for seedling and adult plant resistance to stripe rust in wild emmer populations; (3) characterization of LD patterns along wild emmer chromosomes; (4) elucidation of the multi-locus genetic structure of wild emmer populations and its correlation with geo-climatic variables at the collection sites. Introduction In recent years, Stripe (yellow) rust (Yr) caused
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