Gotowe bibliografie tematyczne / Nematodes

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Gotowa bibliografia na temat „Nematodes”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 25 lipca 2025

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Artykuły w czasopismach na temat "Nematodes"

Ono, Masaya, Yoichi Hayakawa, and Toyoshi Yoshiga. "Bacterial feeding nematodes ingest haemocytes in the haemocoel of the insect Galleria mellonella." Parasitology 147, no. 3 (2019): 279–86. http://dx.doi.org/10.1017/s0031182019001550.

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AbstractInsect parasitic nematodes have acquired mechanisms to evade their host immune response for successful parasitism. Despite the importance of understanding of the evolution of evasion mechanisms from host immunity, insect immune response against non-parasitic nematodes has not been well studied. In our previous study, we demonstrated that a non-insect parasitic nematode Caenorhabditis elegans was not encapsulated by haemocytes in the larvae of the greater wax moth Galleria mellonella. To understand how nematodes influence insect haemocytes to escape encapsulation, we examined the effect

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Grewal, Parwinder S., Edwin E. Lewis, and Sudha Venkatachari. "Allelopathy: a possible mechanism of suppression of plant-parasitic nematodes by entomopathogenic nematodes." Nematology 1, no. 7 (1999): 735–43. http://dx.doi.org/10.1163/156854199508766.

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Abstract A possible mechanism of suppression of a plant-parasitic nematode Meloidogyne incognita by entomopathogenic nematodes is described. Heat-killed entomopathogenic nematodes Steinernema feltiae and S. riobrave temporarily suppressed penetration of the root-knot nematode M. incognita into tomato roots, but live nematodes had no effect. Infective juvenile M. incognita were repelled from all entomopathogenic nematode treatments that included their symbiotic bacteria. They were repelled by Galleria mellonella cadavers infected with S. carpocapsae, S. feltiae, and S. riobrave and from cell-fr

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Xu, Zhen, Yong-Qiang Zhao, Dong-Jing Yang, Hou-Jun Sun, Cheng-Ling Zhang, and Yi-Ping Xie. "Attractant and repellent effects of sweet potato root exudates on the potato rot nematode, Ditylenchus destructor." Nematology 17, no. 1 (2015): 117–24. http://dx.doi.org/10.1163/15685411-00002856.

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Potato rot nematode (Ditylenchus destructor) is one of the most damaging pests of sweet potato in the northern region of China. Glasshouse and field experiments were conducted to explore the main invasion route used by potato rot nematodes during infection of sweet potato plants. The nematode’s host location behaviour was also investigated. Results suggested that substantial yield losses of sweet potato caused by D. destructor parasitism depend upon the existence of wounds on seedling roots. Therefore, reducing the number of nematodes that invade through such wounds would be an effective contr

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Gabrielle Lino De Andrade, Larissa, Elvira Maria Regis Pedrosa, Ênio Farias França e Silva, Mário Monteiro Rolim, Ivis Andrei Campos e Silva, and Edinalda Andrade Silva. "Mobilidade de Pratylenchus coffeae em Solos com Diferentes Texturas e Níveis de Salinidade." Ensaios e Ciência: Ciências Biológicas, Agrárias e da Saúde 28, no. 5 (2024): 586–93. https://doi.org/10.17921/1415-6938.2024v28n5p586-593.

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O nematoide das lesões radiculares Pratylenchus coffeae parasita importantes culturas agronômicas no Brasil e no mundo. A salinidade do solo é outro fator que limita drasticamente a produtividade das culturas. Além disso, a textura do solo tem grande importância na movimentação e distribuição dos nematoides no solo. Objetivou-se neste estudo avaliar a mobilidade de juvenis e adultos de P. coffeae em solos de diferentes texturas sob diferentes níveis de salinidade. O dispositivo experimental consistiu em colunas de PVC com 10 cm de comprimento × 4,4 cm de diâmetro interno, preenchidas com solos

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Yeates, G. W. "Abundance, diversity, and resilience of nematode assemblages in forest soilsThis article is one of a selection of papers published in the Special Forum on Towards Sustainable Forestry — The Living Soil: Soil Biodiversity and Ecosystem Function." Canadian Journal of Forest Research 37, no. 2 (2007): 216–25. http://dx.doi.org/10.1139/x06-172.

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Forest litter and soil may contain >10 × 106 individual nematodes·m–2 and, regionally, >400 species. Root-feeding nematodes may be pathogenic to young plants; microbial-feeding nematodes may increase turnover of the microbial pool; predacious and omnivorous nematodes represent higher trophic levels. The spatial distribution and abundance of nematode species in forests reflect soil type, soil fertility, climate, canopy and understorey plant species, litter depth, forest age, and management. Nematodes may be important in forest nurseries; they occur throughout the rooting depth of forest t

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Bird, A. F. "The influence of the actionmycete,Pasteuria penetrans, on the host–parasite relationship of the plant-parasitic nematode,Meloidogyne javanica." Parasitology 93, no. 3 (1986): 571–80. http://dx.doi.org/10.1017/s0031182000081270.

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SUMMARYThe actinomycete,Pasteuria penetrans, is a specific endoparasite of various plant-parasitic nematodes. When parasitizing the root-knot nematode (Meloidogyne javanical) the nematode's capacity to reproduce is destroyed and feeding on and stimulation of the plant host are unaffected even though the bulbous body of the female nematode becomes filled with spores. Parasitism by the actinomycete does not alter the rate of growth in the early stages of nematode development although the non-parasitized female grows more rapidly than the parasitized one for a short time immediately after the fin

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Townsend, Monica L., Don C. Steinkraus, and Donn T. Johnson. "Mortality Response of Green June Beetle (Coleoptera: Scarabaeidae) to Four Species of Entomopathogenic Nematodes." Journal of Entomological Science 29, no. 2 (1994): 268–75. http://dx.doi.org/10.18474/0749-8004-29.2.268.

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Four species of entomopathogenic nematodes, Steinernema carpocapsae (Weiser) (All strain), S. feltiae (Filipjev) (NC strain), S. glaseri (Steiner), and Heterorhabditis bacteriophora Poinar, were tested in the laboratory for their effect on larvae of the green June beetle, Cotinus nitida L. When nematodes were injected into the foregut of larvae (ca. 1,000 nematodes per larva), S. carpocapsae, S. feltiae, S. glaseri, and H. bacteriophora caused similar mortality (65, 45, 65, and 63%, respectively). At a concentration of 10 nematodes per larva, S. carpocapsae produced significantly higher mortal

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Hai, Tang, and Ji Ya Qi Du. "The Response of the Free-Living Nematodes Species and Quantity to Grazing Intensity of Meadow Grassland." Advanced Materials Research 518-523 (May 2012): 5185–88. http://dx.doi.org/10.4028/www.scientific.net/amr.518-523.5185.

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Abstract. To study of meadow grassland soil free lifing nematodes types and quantities under the grazing intensity, the results show that we captured 13 species free lifing nematodes in different grazing area.With the increase of the grazing intensity the total number of Free life nematodes gradually reduce, among them Bacterial feeding nematode and Omnivorous predator nematode gradually reduced with the increase of nematode grazing intensity and the Fungal-feeding nematodes quantities gradually increased . the number of the Bacterial feeding nematode and Fungal-feeding nematodes gradually dec

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ÇAKMAK, Taylan. "The nematode assemblages of a lake ecosystem (Lake Korugöl Natural Park, Düzce, West Black Sea Cost of Türkiye): ecology and biodiversity patterns with first reports of 10 genera to the Türkiye nematofauna." Turkish Journal of Entomology 47, no. 3 (2023): 283–94. http://dx.doi.org/10.16970/entoted.1273242.

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This research was conducted to reveal the soil nematode fauna of Korugöl, Düzce and to contribute to the nematode diversity of the Western Black Sea Region of Türkiye. Field studies within the scope of the study were implemented in 2021. As a result of the study, 29 families, 45 genera and 46 nematode taxa were identified. 10 nematode taxon, namely Aporcelinus, Baladorylaimus, Dorylaimoides, Euteratocephalus, Labronemella, Laimydorus, Lindseyus, Metateratocephalus, Paractinolaimus and Tripylella are the first report for Türkiye's nematofauna. Classification of nematodes according to their feed

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Gede Swibawa, I., and Titik Nur Aeny. "KARAKTERISTIK KOMUNITAS NEMATODA DI PADANG GOLF SUKARAME (PGS) BANDAR LAMPUNG." Jurnal Hama dan Penyakit Tumbuhan Tropika 7, no. 2 (2007): 80–90. http://dx.doi.org/10.23960/j.hptt.2780-90.

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ABSTRACTCharacteristic of Nematodes Community at PGS Golf Course Bandar Lampung. Golf course is a unique ecosystem where plant parasitic nematodes inhabit and become important pest because they reduce the quality of the grass. The pest problems on golf course can be indicated by its characteristics of nematode community. Survey on nematodes community at PGS Golf Course Bandar Lampung was conducted from March to December 2004. The objective was to study the characteristics of nematode community in the part of golf courses hole (green, collar, apron, and fairway). Soil samples were taken from fi

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Rozprawy doktorskie na temat "Nematodes"

Kruitbos, Laura Marina. "Influence of habitat on the behaviour of entomopathogenic nematodes." Thesis, Available from the University of Aberdeen Library and Historic Collections Digital Resources, 2009. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?application=DIGITOOL-3&owner=resourcediscovery&custom_att_2=simple_viewer&pid=25963.

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Valadas, Vera Mónica Piegas. "Genetic diversity of entomopathogenic nematodes (Nematoda: Steinernematidae and Heterorhabditidae) and the nematode Bursaphelenchus xylophilus (Nematoda: Aphelenchoididae) from continental Portugal." Doctoral thesis, Universidade de Évora, 2012. http://hdl.handle.net/10174/15718.

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“Diversidade genética dos nemátodes entomopatogénicos (Nematoda: Steinernematidae e Heterorhabditidae) e do nemátode Bursaphelenchus xylophilus (Nematoda: Aphelenchoididade) em Portugal continental” Os nematodes entomopatogénicos são utilizados como agentes de controlo biológico. Para compreender a sua diversidade, foi realizada uma prospecção em Portugal. Cinco espécies, nomeadamente Steinernema feltiae, S. intermedium, S. kraussei, Steinernema sp. e Heterorhabditis bacteriophora foram identificadas. As sequências de ITS, região D2D3 do 28S rRNA, COXI e cytb foram utilizadas para estudar a di

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Briar, Shabeg Singh. "Nematodes as bioindicators of soil food web health in agroecosystems a critical analysis /." Columbus, Ohio : Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1173284523.

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Zervos, S. "Population regulation of thelastomatid nematodes (Nematoda: Thelastomatidae) of cockroaches." Thesis, University of Canterbury. Zoology, 1986. http://hdl.handle.net/10092/4791.

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Populations of thelastomatid nematodes in cockroach hosts were investigated. The population biology, life history, habits. distribution, and gross morphology of cockroaches involved are discussed. New species of thelastomatid nematodes from cockroaches are described and keys to species of Protrellus and Blatticola are given. Evidence for population regulation in six species of thelastomatids in eight species of cockroaches collected from the field is presented. No host contained two adult males, infrapopulations with two juvenile males were very rare, the number of adult females per host was s

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Cho, Hyun-Bae. "Molecular characterization and phylogenetics of entomopathogenic nematodes (nematoda: stienernematidae) from Asia." Thesis, The University of Arizona, 2009. http://hdl.handle.net/10150/192304.

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Paiva, Sílvia Rodrigues de. "O efeito da remoção da palha de cana-de-açúcar na população de nematoides do solo e raiz em duas situações edafoclimáticas distintas." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/64/64133/tde-09032017-094823/.

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Os nematoides causadores de doenças em cana-de-açúcar ocasionam graves problemas no rendimento desta cultura. Os gêneros mais agressivos são Meloidogyne e Pratylenchus que formam galhas e necroses nas raízes, respectivamente. A retirada da palha de cana-de-açúcar do campo para produção de etanol de segunda geração pode resultar em mudanças no comportamento das comunidades de nematoides. Assim o objetivo deste trabalho foi quantificar a abundância de nematoides em diferentes quantidades de palha presentes na superfície do solo. O experimento foi conduzido em Capivari - SP na unidade Bom Retiro

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Shrestha, Roshi. "A physiological and genetic mapping study of tolerance to root-knot nematode in rice." Thesis, Available from the University of Aberdeen Library and Historic Collections Digital Resources, 2008. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?application=DIGITOOL-3&owner=resourcediscovery&custom_att_2=simple_viewer&pid=24807.

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McVeigh, P. "Neuropeptide signalling in nematodes." Thesis, Queen's University Belfast, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.411747.

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Storey, N. "Immunity to filarial nematodes." Thesis, University of Nottingham, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.356035.

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Sutherland, Ian Alexander. "Anthelmintic resistance in nematodes." Thesis, University of Leeds, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329191.

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Książki na temat "Nematodes"

K, Evans, Trudgill D. L, and Webster J. M. 1936-, eds. Plant parasitic nematodes in temperate agriculture. CAB International, 1993.

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NATO Advanced Study Institute on Cyst Nematodes (1985 Martina Franca, Italy). Cyst nematodes. Plenum Press, 1986.

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NATO Advanced Study Institute on Cyst Nematodes (1985 Martina Franca, Italy). Cyst nematodes. Plenum Press, 1986.

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Wharton, David A. A functional biology of nematodes. Croom Helm, 1986.

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Wharton, David A. A functional biology of nematodes. Johns Hopkins University Press, 1986.

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Smith, Kirk A. Entomopathogenic nematode bibliography: Heterorhabditid and Steinernematid nematodes. Arkansas Agricultural Experiment Station, 1992.

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Sumenkova, N. I. Nematodes of plants and soils. E.J. Brill, 1989.

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Sumenkova, N. I. Nematodes of plants and soils: Neotylenchoidea. Oxonian Press, 1988.

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F, Southey J., ed. Laboratory methods for work with plant and soil nematodes. 6th ed. HMSO, 1986.

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F, Southey J., and Great Britain. Ministry of Agriculture, Fisheries and Food., eds. Laboratory methods for work with plantand soil nematodes. 6th ed. H.M.S.O., 1986.

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Części książek na temat "Nematodes"

Haque, Ziaul, and Mujeebur Rahman Khan. "Introduction." In Handbook of invasive plant-parasitic nematodes. CABI, 2021. http://dx.doi.org/10.1079/9781789247367.0001.

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Abstract This chapter introduces some plant-parasitic nematodes and discusses their agricultural importance. It describes nematode diversity and the effects of global agricultural trade on nematode spread. It defines invasive plant-parasitic nematodes and presents the assessment criteria for a nematode as an invasive species. Invasiveness ratings (scores) are proposed for categorizing low, medium and highly invasive nematodes. Tabulated data are also given on crop losses caused by plant-parasitic nematodes to different agricultural crops.

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Specht, Sabine, and Achim Hoerauf. "Nematoda: Filarial Nematodes." In Immunity to Parasitic Infection. John Wiley & Sons, Ltd, 2012. http://dx.doi.org/10.1002/9781118393321.ch11.

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Majdi, Nabil, and Walter Traunspurger. "Introduction to freshwater nematodes in ecology: current knowledge and research." In Ecology of freshwater nematodes. CABI, 2021. http://dx.doi.org/10.1079/9781789243635.0001.

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Abstract This chapter provides information on nematode morphology and reproduction; role of nematodes in freshwater ecosystems; and distribution and dispersal of free-living nematodes and their role in food webs.

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Höss, Sebastian. "Single- and multi-species toxicity testing with nematodes." In Ecology of freshwater nematodes. CABI, 2021. http://dx.doi.org/10.1079/9781789243635.0010.

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Abstract This chapter discusses the utility of nematodes in experimental ecotoxicology, and specifically in the study of freshwaters. Drawing on reports in which nematodes were used as test organisms in single-species tests as well as studies investigating nematode communities in model ecosystems (i.e. microcosms), the suitability of nematode-based experimental approaches in prospective and retrospective risk assessments of chemicals in freshwater sediments is examined. Several examples are presented of the use of Caenorhabditis elegans as a test organism in single-species bioassays, in order

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Sikora, Richard A., Jon Padgham, and Johan Desaeger. "The unpredictability of adapting integrated nematode management to climate variability." In Integrated nematode management: state-of-the-art and visions for the future. CABI, 2021. http://dx.doi.org/10.1079/9781789247541.0064.

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Abstract The areas of concern regarding the future importance of climate change and variability on nematode damage and integrated management include: shifts in the distribution of nematodes, stimulation of additional generations, increased reproductive potential, development of more severe nematode-pathogen complexes, inability to monitor with remote sensing populations over multiple seasons, negative yield due to nematodes and reduced soil moisture levels, adapting integrated nematode management (INM) to highly volatile interannual fluctuations, loss of organic matter and soil antagonistic po

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Cole, Theodor C. H. "VI. Nematoda – Fadenwürmer – Nematodes." In Wörterbuch der Wirbellosen / Dictionary of Invertebrates. Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-52869-3_6.

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Fueser, Hendrik, Birgit Gansfort, Nabil Majdi, Janina Schenk, and Walter Traunspurger. "Case studies with nematodes from the individual to ecosystem level." In Ecology of freshwater nematodes. CABI, 2021. http://dx.doi.org/10.1079/9781789243635.0012.

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Abstract Organisms smaller than 2 mm in size are ideal candidates for laboratory and field experiments with a theoretical focus. This chapter illustrates this point by drawing on recently published works in which studies of nematodes have informed theories within population and community ecology. Case studies examining the following are presented: (1) Life cycle experiments (individual level), (2) The interactions of two nematode species - competition experiments (population level), (3) Nematode community-based assessments of sediment quality (community level), (4) Nematodes in a detritus-base

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Höss, Sebastian, and Walter Traunspurger. "Freshwater nematodes as bioindicators in field studies - the NemaSPEAR[%]-index." In Ecology of freshwater nematodes. CABI, 2021. http://dx.doi.org/10.1079/9781789243635.0011.

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Abstract This chapter, after a general introduction to quality assessments of freshwater habitats, reviews the use of freshwater nematodes as in situ bioindicators, including in monitoring the ecological quality of freshwater habitats. By drawing on studies of nematode communities in unpolluted and polluted habitats as examples, it highlights both the different methods used to assess the quality of freshwater ecosystems and their applications. A focus of the chapter is the development of a new index that uses freshwater nematodes to assess chemically induced changes in the ecological status of

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Majdi, Nabil, Tom Moens, and Walter Traunspurger. "Feeding ecology of free-living nematodes." In Ecology of freshwater nematodes. CABI, 2021. http://dx.doi.org/10.1079/9781789243635.0006.

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Abstract This chapter provides overview of the feeding habits and food sources of aquatic nematodes. The environmental constraints on feeding, food recognition, and feeding selectivity are also addressed, together with the complex, indirect trophic interactions between nematodes and their microbial prey. To raise awareness of the inherent methodological and/or interpretational problems in studies of nematode feeding ecology, the chapter ends with a brief look at the methods that have been adapted to quantify feeding rates in nematodes.

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Majdi, Nabil, and Walter Traunspurger. "Production of freshwater nematodes." In Ecology of freshwater nematodes. CABI, 2021. http://dx.doi.org/10.1079/9781789243635.0008.

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Abstract This chapter focuses on the methods used to determine freshwater nematode production. It begins by briefly describing the methods used in sampling and measuring nematodes, followed by a summary of the common allometric models developed to estimate secondary production. It then presents a case study in which the results of those models are compared. Finally, it evaluates the drivers of nematode production in different lakes and streams and compares nematode secondary production with that achieved by macrobenthos, other meiobenthic taxa and microbes.

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Streszczenia konferencji na temat "Nematodes"

Jgenti, Lali, Eka Tskitishvil, and Tengiz Vadachkoria. "TAXONOMIC AND ECOLOGICAL STRUCTURE OF FREE-LIVING AND PLANT PARASITIC NEMATODES IN POTATO FIELDS IN KHULO (AJARA, EASTERN GEORGIA)." In 24th SGEM International Multidisciplinary Scientific GeoConference 2024. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/3.1/s14.47.

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The aim of this study is to determine the prevalence of plant parasitic nematodes in the main potatoe growing area in Ajara and to show whether altitu-dinal gradient affects nematode diversity and community structure along three contrasting altitudinal localities of Ajara: Kobuleti (10 m.a.s.l), Shuakhevi (450 m.a.s.l) and Khulo (950 -1800 m.a.s.l). The first part of this study is to assess for the first time the taxonomic and ecological structure of plant parasitic and free-living nematodes in agroecosystems of Khulo in this territory. Fauna of soil nematodes was studied in three villages of

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Tskitishvili, Eka, Lali Jgenti, Nino Lomidze, and Tengiz Vadachkoria. "TAXONOMIC STRUCTURE OF THE NEMATODE COMMUNITIES IN AGROECOSYSTEMS OF SHUAKHEVI (AJARA, GEORGIA)." In 24th SGEM International Multidisciplinary Scientific GeoConference 2024. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024v/3.2/s13.41.

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Potatoes is the fourth important food crop worldwide after maize, wheat, and rice and are grown in more than 100 countries worldwide under temperate, subtropical and tropical conditions, however, they are considered as cool temperature crop. Potato is one of the most important food crops in Georgia and potato growing has always been the subject of great importance for settlement of food supply problems in country. Potato crops are severely affected by approximately forty soil borne diseases worldwide including those caused by soil inhabiting fungi, bacteria and nematodes. Plant-parasitic nemat

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Phuyued, Uthai, Thanapat Kangkachit, and Duangjai Jitkongchuen. "Detection of Infective Juvenile Stage of Entomopathogenic Nematodes Using Deep Learning." In 2024 5th International Conference on Big Data Analytics and Practices (IBDAP). IEEE, 2024. http://dx.doi.org/10.1109/ibdap62940.2024.10689709.

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Niu, Haoyu, Andreas Westphal, and YangQuan Chen. "A Contactless Classification Method for Early Detection of Nematodes Using Deep Neural Networks (DNNs) and TensorFlow." In ASME 2021 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/detc2021-68557.

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Abstract Soil-borne plant-parasitic nematodes are microscopic, eellike roundworms. The root-knot nematodes (Meloidogyne spp.) and root-lesion nematodes (Pratylenchus vulnus) are among the most damaging in California, which are difficult to control and can spread easily in soil on tools, boots, and infested plants. Root-knot nematodes can attack many different crops, including nut and fruit trees, usually cause unusual swellings, called galls, on affected plants’ roots. It is not easy to recognize the infestations of these nematodes. For instance, researchers need to dig up walnut trees with sy

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Malyutina, T. A. "NEUROPEPTIDES INVOLVING IN THE REGULATION OF LOCOMOTOR BEHAVIOR OF ROOT-KNOT PLANT-PARASITIC NEMATODES (REVIEW)." In THEORY AND PRACTICE OF PARASITIC DISEASE CONTROL. All-Russian Scientific Research Institute for Fundamental and Applied Parasitology of Animals and Plant – a branch of the Federal State Budget Scientific Institution “Federal Scientific Centre VIEV”, 2023. http://dx.doi.org/10.31016/978-5-6048555-6-0.2023.24.281-284.

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In the last few decades, the attention of researchers has been attracted by endogenous FMRFamide-like neuropeptides found in a number of invertebrates, including species of the Nematoda phylum. A foreign literature review was presented for the functional significance of endogenous FMRFamide-like neuropeptides in locomotor behaviour of root-knot phytonematodes, representatives of the genus Meloidogyne Goldi, 1982, namely, Meloidogyne incognita, M. minor, M. hapla and M. graminicola. In Russia, such studies are not carried out. The main characteristics o

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Sasanelli, Nicola, Veronico Pasqua, Crescenza Dongiovanni, et al. "Effect of plant parasitic nematodes on olive plantlets of Xylella-resistant cultivar favolosa." In Conferința științifică națională cu participare internațională "Integrare prin cercetare și inovare", dedicată Zilei Internaționale a Științei pentru Pace și Dezvoltare. Moldova State University, 2025. https://doi.org/10.59295/spd2024n.18.

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Two experiments were carried out to verify the susceptibility of olive plantlets of the Xylella fastidiosa - resistant cultivar Favolosa to the root-knot nematode Meloidogyne javanica and the root lesion nematode Pratylenchus vulnus. In the first experiment the relationship between the nematode population density and the olive plants growth was assessed. Plant growth parameters, main shoot length and diameter and number of nodes, were analysed by the SeinFit program in order to calculate the tolerance limit (T) to the nematode attack and the minimum relative per cent growth (m) of the plants.

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Marjanović, Đorđe, Dragana Medić, Tihomir Marić, and Saša Trailović. "Exploring potential antinematodal effects of some insecticides from isoxazoline group." 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/ddd25095m.

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Isoxazoline insecticides, such as fluralaner, afoxolaner, and sarolaner, are widely used for pest control in agriculture and veterinary medicine due to their effectiveness against arthropods like fleas, ticks, and mites. These compounds work by targeting GABA receptors and chloride ion channels in insects and arachnids. Recent studies, however, suggest that isoxazolines may also have potential in combating nematodes, which pose significant challenges in agriculture and human health. Nematodes, including parasitic and free-living species, can cause severe damage to crops and livestock. Isoxazol

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Sasanelli, Nicola, Ion Toderas, Elena Iurcu-Straistaru, et al. "Sustainable agriculture in the light of climate change: effect of temperatures and exposure times on the mortality of the dagger nematode Xiphinema index." In Scientific International Symposium "Plant Protection – Achievements and Perspectives". Institute of Genetics, Physiology and Plant Protection, Republic of Moldova, 2023. http://dx.doi.org/10.53040/ppap2023.73.

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The gradual rising of average temperatures due to climate change are increasing the problem caused by phytoparasitic nematodes. To predict the effect of soil solarization on Xiphinema index, an experiment was undertaken to investigate the effect of different temperatures (from 25 to 42.5 °C) and exposure times (from 2 up to 2,048 hrs) on the mortality of the nematode. Surviving nematodes were expressed as percentages of those surviving at 25 °C. The differences to 100 were considered as mortality percentages. To kill 50% of nematode population were necessary 180, 34, 4.7 and 2.5 hours at 35, 3

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Sasanelli, Nicola, Ion Toderas, Elena Iurcu-Straistaru, Stefan Rusu, Varvara Migunova, and Alena Konrat. "Yield losses caused by plant parasitic nematodes graphical estimation." In International symposium ”Functional ecology of animals” dedicated to the 70th anniversary from the birth of academician Ion Toderas. Institute of Zoology, Republic of Moldova, 2019. http://dx.doi.org/10.53937/9789975315975.60.

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Curves for graphical estimation of yield losses caused by plant parasitic nematodes were calculated on the basis of the relationship between soil nematode population density and damage to plants as described by the Seinhort’s equation y = m + (1 – m) z(P-T). By a logarithmic transformation this equation was transformed as y = m + (1 – m) 1.05[(P/-T) + 1] and solved considering values of tolerance limit (T) and the minimum relative yield (m) from the literature. The obtained curves that can be defined “Curves of nematode-pathogenicity” allow a quick and easy evaluation of yield losses for each

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Konrat, A. N. "NEMATICIDAL AND NEMATOSTATIC EFFICACY OF VEGETABLE JUICES OF SOME REPRESENTATIVES OF THE FAMILY SOLANACEAE." In THEORY AND PRACTICE OF PARASITIC DISEASE CONTROL. All-Russian Scientific Research Institute for Fundamental and Applied Parasitology of Animals and Plant – a branch of the Federal State Budget Scientific Institution “Federal Scientific Centre VIEV”, 2023. http://dx.doi.org/10.31016/978-5-6048555-6-0.2023.24.220-224.

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The effect of the tested substances on in vitro nematicidity and nematostaticity was verified on saprobiotic (Caenorhabditis elegans, Turbatrix aceti) and phytoparasitic nematodes (Ditylenchus destructor). Working solutions were prepared in the following dilutions: 1) 1/1000, 2) 1/100, 3) 1/10, 4) 1/1, 5) undiluted, 6) control, water, and 7) standard (horseradish root juice). The solution of above concentrations was introduced into the plate wells of 0.5 mL in 4 repetitions, then a well-mixed nematode suspension of 0.5 mL was added with 50±10 nematodes in av

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Raporty organizacyjne na temat "Nematodes"

Samish, Michael, K. M. Kocan, and Itamar Glazer. Entomopathogenic Nematodes as Biological Control Agents of Ticks. United States Department of Agriculture, 1992. http://dx.doi.org/10.32747/1992.7568104.bard.

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This research project was aimed to create a basis for the use of entomopathogenic nematodes (Steinernematidae an Heterorhabditidae) for biological control of ticks. The specific objectives were to determinate: 1) Nematode virulence to various. 2) Host-parasite interactions of nametodes and ticks. 3) Effect of environmental factors of tick habitats on nematode activity. 4) To test nematodes (anti tick activity) in defined field trials. Throughout the project 12 nematode strains from five species were tested in laboratory assays against all developmental stages of eight tick species. All tick sp

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McClure, Michael A., Yitzhak Spiegel, David M. Bird, R. Salomon, and R. H. C. Curtis. Functional Analysis of Root-Knot Nematode Surface Coat Proteins to Develop Rational Targets for Plantibodies. United States Department of Agriculture, 2001. http://dx.doi.org/10.32747/2001.7575284.bard.

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The goal of this research was to provide a better understanding of the interface between root-knot nematodes, Meloidogyne spp., and their host in order to develop rational targets for plantibodies and other novel methods of nematode control directed against the nematode surface coat (SC). Specific objectives were: 1. To produce additional monoclonal SC antibodies for use in Objectives 2, 3, and 4 and as candidates for development of plantibodies. 2. To determine the production and distribution of SC proteins during the infection process. 3. To use biochemical and immunological methods to pertu

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Gaugler, Randy, Itamar Glazer, Daniel Segal, and Sarwar Hashmi. Molecular Approach for Improving the Stability of Insecticidal Nematodes. United States Department of Agriculture, 2002. http://dx.doi.org/10.32747/2002.7580680.bard.

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Our overall goal is to improve insecticidal nematodes by genetically engineering strains capable of entering an enhanced state of dormancy that provides improved stability. Objectives: 1. Clone and sequence tps-l homologue from Steinernema carpocapsae. (Revised: A failure to isolate the tps gene group from Steinernema precipitated a redirection to identifying other genes involved in insecticidal nematode desiccation process.) 2. Incorporate cloned tps-l gene into S. carpocapsae to obtain overexpression, thereby, enhancing desiccation tolerance. (Revised: Other stress genes in addition to tps-l

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Phillips, Donald A., Yitzhak Spiegel, and Howard Ferris. Optimizing nematode management by defining natural chemical bases of behavior. United States Department of Agriculture, 2006. http://dx.doi.org/10.32747/2006.7587234.bard.

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This project was based on the hypothesis that nematodes interacting with plants as either parasites or beneficial saprophytes are attracted to their host by natural products. This concept was supported by numerous observations that parasitic nematodes are attracted to root exudates. Our overall goal was to identify nematode sensory compounds from root exudates and to use that information for reducing nematicide applications. We applied skills of the investigators to achieve three specific objectives: 1) Identify nematode behavioral cues (e.g., attractants or repellents) in root exudates; 2) Id

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Glazer, Itamar, Randy Gaugler, Yitzhak Spiegel, and Edwin Lewis. Host Adaptation in Entomopathogenic Nematodes: An Approach to Enhancing Biological Control Potential. United States Department of Agriculture, 1996. http://dx.doi.org/10.32747/1996.7613023.bard.

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The overall objective of our research was to develop methods to match species of entomopathogenic nematodes against the insect pests which they would be best adapted to control. The underlying hypothesis for this work was that entomopathogenic nematodes should be most effective when used against insect species to which they are naturally adapted to parasitize. Toward this end, we undertook a number of related studies focusing primarily on nematode foraging strategies. We found that foraging strategies affected host associations directly and indirectly. Nematodes' responses to host cues, and th

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Spiegel, Yitzhak, Michael McClure, Itzhak Kahane, and B. M. Zuckerman. Characterization of the Phytophagous Nematode Surface Coat to Provide New Strategies for Biocontrol. United States Department of Agriculture, 1995. http://dx.doi.org/10.32747/1995.7613015.bard.

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Chemical composition and biological role of the surface coat (SC) of the root-knot nematodes, Meloidogyne spp. are described. SC proteins of M. incognita race 3 infective juveniles (J2) were characterized by electrophoresis and western blotting of extracts from radioiodine and biotin-labelled nematodes. J2 labelled with radioiodine and biotin released 125I and biotin-labelled molecules into water after 20 hours incubation, indicating that SC proteins may be loosely attached to the nematode. Antiserum to the principal protein reacted with the surface of live J2 and with surface proteins previou

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Brown Horowitz, Sigal, Eric L. Davis, and Axel Elling. Dissecting interactions between root-knot nematode effectors and lipid signaling involved in plant defense. United States Department of Agriculture, 2014. http://dx.doi.org/10.32747/2014.7598167.bard.

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Root-knot nematodes, Meloidogynespp., are extremely destructive pathogens with a cosmopolitan distribution and a host range that affects most crops. Safety and environmental concerns related to the toxicity of nematicides along with a lack of natural resistance sources threaten most crops in Israel and the U.S. This emphasizes the need to identify genes and signal mechanisms that could provide novel nematode control tactics and resistance breeding targets. The sedentary root-knot nematode (RKN) Meloidogynespp. secrete effectors in a spatial and temporal manner to interfere with and mimic multi

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Davis, Eric L., Yuji Oka, Amit Gal-On, Todd Wehner, and Aaron Zelcer. Broad-spectrum Resistance to Root-Knot Nematodes in Transgenic Cucurbits. United States Department of Agriculture, 2013. http://dx.doi.org/10.32747/2013.7593389.bard.

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Root-knot nematodes (RKN), Meloidogyne spp., are extremely destructive pathogens of cucurbit crops grown in the United States and Israel. The safety and environmental concerns of toxic nematicides, and limited sources of natural cucurbit resistance to the four major species of Meloidogyne that threaten these crops in Israel and the U.S., have emphasized the use of biotechnology to develop cucurbits with novel RKN resistance. The U.S. scientists have identified over 40 unique RKN parasitism genes that encode nematode secretions involved in successful plant root infection by RKN, and they have d

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Glazer, Itamar, Randy Gaugler, Daniel Segal, Parwinder Grewal, Yitzhak Spiegel, and Senthamizh Selvan. Genetic Enhancement of Environmental Stability and Efficacy of Entomopathogenic Nematodes for Biological Control. United States Department of Agriculture, 1995. http://dx.doi.org/10.32747/1995.7695833.bard.

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The overall obejctive of the research project was to enhance the intrinsic biological control potential of entomopathogenic nematodes through genetic manipulation. We have chosen heat and desiccation tolerance as prime traits to be enhanced in order to increase the overall efficacy of these nematodes against insect pests under harsh conditions. Initially, we used mutagenesis and selection approaches to enhance these traits. In the mutagenesis experiments several morphological mutants of Heterorhabditis bacteriophora HP88 were isolated and characterized phenotypically and genetically. Infective

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Hicks, Kiley. Causes and Consequences of Mitochondrial Variation in Caenorhabditid Nematodes. Portland State University Library, 2000. http://dx.doi.org/10.15760/etd.928.

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