Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 14 of 14 for “"Tuta Absoluta"”.
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Bio-ecological studies of Tuta absoluta in Sudan
… crops in Sudan is threatened by the invasion of Tuta absoluta (Meyrick). This pest develops and disperses rapidly and it is also known to develop resistance to insecticides. Knowledge of its bio-ecology and genetic diversity in its newly invaded areas can be used to develop sustainable and …
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Meccanismi di difesa e interazioni multitrofiche tra Solanum spp. e Tuta absoluta
… è stata studiata la Tignola del pomodoro, Tuta absoluta (Lepidoptera: Gelechiidae), un insetto chiave del pomodoro che può anche svilupparsi su diverse altre specie appartenenti al genere Solanum. Sono state valutate le conseguenze biochimiche dell'attacco di T. absoluta e i successivi …
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Adoption Determinants and Impacts of Tuta absoluta Integrated Pest Management for Nepali Tomato Farmers
Tuta absoluta, a member of the moth family, causes devastating yield loss to tomato farmers around the world. Its recent migration into the tomato fields of Nepal puts tomato farmers at a high risk of yield loss. In response, chemical pesticide use by Nepali farmers is increasing. Integrated pest …
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Sistemas de tomada de decisão para o manejo integrado de Tuta absoluta (Meyrick) na cultura do tomate
A traça do tomateiro Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) constitui-se na praga mais importante da cultura do tomate no Brasil, não existindo sistema de tomada de decisão para o seu controle. Assim, os objetivos dessa pesquisa foram: determinar as melhores unidades amostrais, os …
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STUDIES ON INSECTICIDE RESISTANCE IN TUTA ABSOLUTA (MEYRICK), WITH SPECIAL EMPHASIS ON CHARACTERISATION OF TWO TARGET SITE MECHANISMS
Tuta absoluta Meyrick (Lepidoptera: Gelechiidae) is a primary pest of tomato plants and is native to South America. Since the first documented European case in 2006, it has spread throughout the Mediterranean basin and North Africa. Larval stages cause direct feeding damage and reductions to both …
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Combining natural enemies and selective pesticides in IPM programmes of exotic pests: the Tuta absoluta (Lepidoptera: Gelechiidae) case
… basin by the South American tomato pinworm, Tuta absoluta (Lepidoptera: Gelechiidae), has lead to a swift increase in insecticide applications in tomato crops. Such increase may compromise the tomato Integrated Pest Management (IPM) packages that were sustainable and commonly used by farmers. …
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Herança da resistência por antixenose de Lycopersicon pennellii (LA 716) e L. hisrsutum f. typicum (LA 1777) a Tuta absoluta
Com o objetivo de estudar a herança de caracteres de resistência do tipo antixenose à traça-do-tomateiro, foram avaliadas populações F2 e de retrocruzamento, bem como gerações parentais, em cruzamentos interespecíficos envolvendo L. esculentum cv. Santa Clara x L. pennellii (LA 716) e L. esculentum …
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Worldwide spatial distribution of Tuta absoluta (Lepidoptera: Gelechiidae) and its natural enemies under current and future climatic change conditions through modelling
In only 10 years the insect Tuta absoluta has become one of the most important threat for agriculture worldwide. Since its introduction in Spain in 2006, this pest has infected 60% of the tomato crops in many regions of the world. In this study, ecological niche models were built investigate the …
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Flutuação populacional, influência da temperatura e de cultivares comerciais de tomate sobre o desenvolvimento, reprodução e parâmetros demográficos de Tuta absoluta (Lepidoptera:Gelechiidae)
Resumo: Tuta absoluta (Meyrick, 1917) é um microlepidóptero considerado a principal praga do tomateiro na América do Sul, é uma espécie com alto potencial invasivo, com registros crescentes de ocorrência na Europa e Oriente Médio. Neste contexto, informações sobre a biologia da espécie, bem como …
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Three Essays on Networks
… and weighted network to study the spread of Tuta absoluta. A robust network-based approach is proposed to model seasonal flow of agricultural produce and examine its role in pest spread. Furthermore, the long-term establishment potential of the pest and its economic impact on the country are …
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Stability in Graph Dynamical Systems
The underlying mathematical model of many simulation models is graph dynamical systems (GDS). This dynamical system, its implementation, and analyses on each will be the focus of this paper. When using a simulation model to answer a research question, it is important to describe this underlying …
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Modelización del desarrollo de los depredadores nesidiocoris tenuis, macrolophus pygmaeus y orius majusculus (hemíptera: heteróptera) para la optimización de su manejo como agentes de control biológico de plagas
… pulgones como Myzus persicae o polillas como Tuta absoluta, en el caso de los míridos, o trips como Frankliniella occidentalis, en el del antocórido. Una de las prioridades que exige el manejo de enemigos naturales es conocer su evolución en los cultivos. Si somos capaces de realizar un …