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Tesis sobre el tema "Potato tuberworm – Biological control"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 1 de febrero de 2022

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1

Salehi, Latif. "Factors influencing the efficiency of two parasitoids of the potato tuber moth (PTM) /." Title page, contents and summary only, 1998. http://web4.library.adelaide.edu.au/theses/09ACP/09acps163.pdf.

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2

King, Shirley Anne. "Development of techniques for the isolation of a granulovirus from potato tuber moth, phthorimaea operculella (Zeller)." Thesis, Rhodes University, 2011. http://hdl.handle.net/10962/d1015202.

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Phthorimaea operculella, commonly known as the Potato Tuber Moth, is an economically important agricultural pest worldwide. The baculovirus, Phthorimaea operculella granulovirus (PhoGV) has been considered as a means of control alternative to chemical control because of its host specificity and harmless impact on other organisms and ecosystems. An isolate of PhoGV obtained from a South African PTM population would be beneficial in the production of a biopesticide, which is not yet available. An efficient and cost-effective rearing method would be advantageous for potential commercial productio

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3

Jukes, Michael David. "The isolation, genetic characterisation and biological activity of a South African Phthorimaea operculella granulovirus (PhopGV-SA) for the control of the Potato Tuber Moth, Phthorimaea operculella (Zeller)." Thesis, Rhodes University, 2015. http://hdl.handle.net/10962/d1017908.

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The potato tuber moth, Phthorimaea operculella (Zeller), is a major pest of potato crops worldwide causing significant damage to both field and stored tubers. The current control method in South Africa involves chemical insecticides, however, there is growing concern on the health and environmental risks of their use. The development of novel biopesticide based control methods may offer a potential solution for the future of insecticides. In this study a baculovirus was successfully isolated from a laboratory population of P. operculella. Transmission electron micrographs revealed granulovirus

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4

Saljoqu, Ahmad-Ur-Rahman. "Integrated management of potato aphid, Myzus persicae (Sulzer) in Pakistan." Thesis, University of Reading, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.284450.

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5

Brewer, Marin Talbot. "Effects of Biological Control and a Ryegrass Rotation on Rhizoctonia Disease of Potato." Fogler Library, University of Maine, 2003. http://www.library.umaine.edu/theses/pdf/BrewerMT2003.pdf.

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6

Jacobs, Helen. "Development of a fungal biological control agent for potato cyst nematodes in Jersey." Thesis, University of Bedfordshire, 2000. http://hdl.handle.net/10547/313987.

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The production of Jersey Royal potatoes is an important industry for the island of Jersey. The crop is grown annually, and sometimes biannually, so there is no opportunity to practise crop rotation in order to control potato cyst nematodes (PCN), Globodera pallida and G. rostochiensis. Control of these pests in Jersey has traditionally relied on the use of nematicides, but with increased public pressure to reduce the use of pesticides and the intention of the Government of Jersey to eventually ban them, there is a desire for an alternative methods of control to be developed. Three nematophagou

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7

Kabir, Nasreen Zahan. "Selection of effective antagonists against Rhizoctonia solani (AG-3), the causal agent of Rhizoctonia disease of potato." Thesis, McGill University, 1996. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=27351.

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Rhizoctonia solani (AG-3), the causal agent of Rhizoctonia disease of potato, overwinters as sclerotia on potato tubers. To develop a biocontrol strategy based on the prevention of the sclerotial germination, an isolation of microorganisms colonizing sclerotia of infected potato tubers (cultivars Norland, Atlantic and Souris), was conducted. In vitro screening was used to select effective antagonistic fungi against Rhizoctonia solani. Fifty fungal isolates were selected in order to cover all identified genera and potato variety and examined for their ability to inhibit germination of sclerotia

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8

Kasilingham, Rajappan. "Biological control of potato late blight disease caused by Phytophthora infestans using fluorescent pseudomonads and Trichoderma species." Thesis, University of Reading, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.691413.

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9

Martel, John W. "Development of Semiochemical-Based Strategies for Management of Colorado Potato Beetle, Leptinotarsa decemlineata (Say)." Fogler Library, University of Maine, 2004. http://www.library.umaine.edu/theses/pdf/MartelJW2004.pdf.

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10

Metz, Nicole [Verfasser], Ralph [Akademischer Betreuer] Hückelhoven, Urs [Gutachter] Schmidhalter, and Ralph [Gutachter] Hückelhoven. "Environment interaction, fungicide resistance development and biological control of Alternaria solani on potato / Nicole Metz ; Gutachter: Urs Schmidhalter, Ralph Hückelhoven ; Betreuer: Ralph Hückelhoven." München : Universitätsbibliothek der TU München, 2021. http://d-nb.info/1239812450/34.

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11

Mbungu, Nsitu T. "Dispersal propensity of adult Colorado potato beetles (Coleoptera:Chrysomelidae) on potato and its implications on the insect resistance management plan." Thesis, McGill University, 2006. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=102810.

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A three-year (1998-2000) field and laboratory study conducted in Fredericton, New Brunswick, Canada analyzed and quantified the dispersal of adult Colorado potato beetles within and between conventional and transgenic potato plots established according to the high-dose/refuge strategy. More specifically, the study addressed the following four predictions: (1) Adult Colorado potato beetle abundance or flight activity in transgenic potato fields is positively correlated to the abundance or flight activity in the immediately adjacent refuge field. (2) Colorado potato beetle intraspecific competit

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12

Ardanov, P. (Pavlo). "Priming capacities of endophytic Methylobacterium sp. on potato (Solanum tuberosum L.)." Doctoral thesis, Oulun yliopisto, 2013. http://urn.fi/urn:isbn:9789526201955.

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Abstract The plant can be considered a superorganism that consists of the plant per se and numerous populations of pro- and eukaryotic microorganisms. The interactions between the plant and endophytic microorganisms colonizing plant internal tissues are typically commensalistic or mutualistic. However, information on the role of endophytes in plant defense is limited because pathways are only partly known and systemic responses are typically not seen. The aim of this thesis was to study the priming capacities of endophytic Methylobacterium sp. IMBG290 on potato (Solanum tuberosum L.). Priming

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13

Mascarin, Gabriel Moura. "Controle microbiano da traça-da-batata, Phthorimaea operculella (Zeller, 1873) (Lepidoptera:Gelechiidae), com granulovírus." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/11/11146/tde-10112009-084309/.

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A traça-da-batata, Phthorimaea operculella (Zeller, 1873) (Lepidoptera: Gelechiidae), é praga-chave da batata (Solanum tuberosum L., Solanaceae), causando sérios prejuízos em países produtores do mundo inteiro, com danos que podem atingir 100% em tubérculos armazenados. O uso de inseticidas químicos para controle de P. operculella geralmente aumenta os custos de produção, gera resíduos tóxicos e causa intoxicações nos produtores. O controle biológico é uma alternativa desejável para ser incorporado no Manejo Integrado de Pragas (MIP). O granulovírus, PhopGV (Baculoviridae), é um importante ini

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14

Domingues, Gilberto Ramos. "Controle de Phthorimaea operculella (Zeller, 1873) (Lepidoptera: Gelechiidae) com Trichogramma atopovirilia Oatman & Platner, 1983 (Hymenoptera: Trichogrammatidae) em batata, em condições de campo e no armazém." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/11/11146/tde-09102006-124905/.

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A batata (Solanum tuberosum L.) é uma importante fonte de alimentação, sendo o 4º alimento mais consumido no mundo, depois do arroz, trigo e milho. Várias são as doenças e pragas que atacam esta cultura, com a necessidade de um alto investimento com produtos fitossanitários para se obter uma boa produção. Dentre as principais pragas, destaca-se a traça-dabatata, Phthorimaea operculella (Zeller, 1873) (Lepidoptera: Gelechiidae). Esta praga pode causar grandes perdas na produção de batata, podendo causar danos tanto no campo como durante o armazenamento da batata-semente. Devido à presença de po

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15

Espinel-Correal, Carlos. "Analyse de l’évolution des populations du granulovirus PhopGV en contact avec des hôtes alternatifs Phthorimaea operculella et Tecia solanivora (Lepidoptera gelechiidae)." Thesis, Saint-Etienne, EMSE, 2010. http://www.theses.fr/2010EMSE0594/document.

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Les invasions biologiques sont un fardeau économique important si elles affectent des ressources critiques pour l’alimentation, la sante humaine ou les productions agricoles. Les ravageurs de la pomme de terre sont un challenge économique important tant ce tubercule est un aliment clé dans les pays andins. Il est possible de suivre la dispersion récente de la teigne du Guatemala, T. solanivora en Amérique du Sud depuis son introduction au Vénézuela à sa propagation progressive vers le sud. Par ailleurs, les invasions récentes fournissent un modèle unique pour analyser les processus d’adaptatio

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16

Lin, Chih, and 林芝. "Biological control of potato common scab by Bacillus amyloliquefaciens Ba01." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/9a335h.

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碩士<br>國立臺灣大學<br>植物病理與微生物學研究所<br>106<br>Potato common scab, which is caused by soil-borne Streptomyces species, is a severe plant disease that results in significant reduction in the economic value of potatoes worldwide. Due to the lack of efficacious pesticides, crop rotations, and resistant potato cultivars against the disease, we investigated whether biological control can serve as an alternative approach. In this study, multiple Bacillus species were isolated from healthy potato tubers, and Bacillus amyloliquefaciens Ba01 was chosen for further analyses based on its potency against the pota

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17

Horta, Joana Filipa Leandro. "Pochonia chlamydosporia - Biological control agent of root-knot and potato cyst nematodes." Master's thesis, 2017. http://hdl.handle.net/10316/83327.

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Dissertação de Mestrado em Biodiversidade e Biotecnologia Vegetal apresentada à Faculdade de Ciências e Tecnologia<br>Os nemátodes parasitas de plantas (NPP) são altamente especializados, sendo considerados como uma das maiores ameaças às culturas agrícolas. Os NPP economicamente mais importantes, com grande impacto nas culturas a nível mundial, são os nemátodes-das-galhas-radiculares (NGR), Meloidogyne spp., e os nemátodes de quisto da batateira (NQB), Globodera spp. Os NGR estão entre as pragas agrícolas economicamente mais prejudiciais que atacam uma grande variedade de culturas. Espécies d

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18

Armer, Christine Andrea. "Entomopathogenic nematodes for biological control of the Colorado potato beetle, Leptinotarsa decemlineata (Say)." Thesis, 2002. http://hdl.handle.net/1957/30205.

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The Colorado potato beetle (CPB), Leptinotarsa decemlineata (Say), is the most devastating foliage-feeding pest of potatoes in the United States. Potential biological control agents include the nematodes Heterorhabditis marelatus Liu & Berry and Steinernema riobrave Cabanillas, Poinar & Raulston, which provided nearly 100% CPB control in previous laboratory trials. In the present study, laboratory assays tested survival and infection by the two species under the soil temperatures CPB are exposed to, from 4-37°C. H. marelatus survived from 4-31°C, and S. riobrave from 4-37°C. Both species infec

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19

Hazzard, Ruth V. "Coleomegilla maculata (DeGeer) predation on eggs of Colorado potato beetle, Leptinotarsa decemlineata (Say)." 1989. https://scholarworks.umass.edu/theses/3055.

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20

Werling, Benjamin Paul. "Conserving natural areas to enhance biological control of Wisconsin potato pests : a multi-scale landscape study /." 2009. http://www.library.wisc.edu/databases/connect/dissertations.html.

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21

Kobe, Selaelo Patrisia. "Non-phytotoxic concentration and application interval of nemarioc-al phytonematicide in management of meloidogyne javanica on potato cultivar 'mondial G3'." Thesis, 2019. http://hdl.handle.net/10386/3170.

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Thesis (M. A. Agriculture (Plant Protection)) -- University of Limpopo, 2019<br>Potato (Solanum tuberosum L.) is highly susceptible to root-knot (Meloidogyne species) nematodes, with no known nematode resistant genotypes. In Limpopo Province, two cucurbitacin-containing phytonematicides had been researched and developed. The active ingredients of the cucurbitacin-containing phytonematicides are cucurbitacins, which are allelochemicals that could induce phytotoxicity on crops being protected against nematode damage. The objectives of this study were to determine: (1) mean concentrat

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22

Seshweni, Mosima Dorcus. "Integrated system for the management of meloidogyne javanica in potato production." Thesis, 2016. http://hdl.handle.net/10386/2003.

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Thesis (M. Agricultural Management (Animal Production)) -- University of Limpopo, 2016<br>Cultivated potato (Solanum tuberosum L.) cultigens do not have resistant genotypes to root-knot (Meloidogyne species) nematodes. Currently, efforts are underway to introgress nematode resistance in potato breeding programmes, whereas other environment-friendly nematode management strategies are being assessed in various cultigens. Nemafric-BL and Nemarioc-AL phytonematicides have being researched and developed for managing the root-knot nematode whereas Biocult Mycorrhizae are intended to enha

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23

Huma, Tiego Isaac. "Pre- and post-emergent application effects of nemafric-bg phytonematicide on growth of potato cultivar 'mondial g3' and suppression of meloidogyne javanica." Thesis, 2019. http://hdl.handle.net/10386/3162.

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Thesis (M. A. Agriculture (Plant Protection)) -- University of Limpopo, 2019<br>Available potato (Solanum tuberosum L.) cultivars do not have any genotype that is resistant to the root-knot (Meloidogyne species) nematodes. Due to the susceptibility of potato cultivars to Meloidogyne species, alternative management strategies had to be researched and developed after the withdrawal of methyl bromide from the agro-chemical markets, amongst which were the cucurbitacin-containing phytonematicides. However, of the available application methods of phytonematicides, the ground leaching techn

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24

Kühne, Magnus. "The Andean potato weevil Premnotrypes suturicallus - Ecology and interactions with the entomopathogenic fungus Beauveria bassiana." Doctoral thesis, 2007. http://hdl.handle.net/11858/00-1735-0000-000D-F23B-A.

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