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Rozprawy doktorskie na temat „Major Pests”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Sgard, Frederic. "Molecular genetic studies on nicotinic acetylcholine receptors of major insect pests." Thesis, University of Reading, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239499.

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Schulte, Marie J. [Verfasser]. "Alternative Approaches in Pest Control: Studies on Major Pests of Litchi in the Mountainous Regions of Northern Thailand / Marie J Schulte." Aachen : Shaker, 2007. http://d-nb.info/1166512495/34.

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Kwoseh, Charles Kodia. "Identification of resistance to major nematode pests of yams (Dioscorea spp.) in West Africa." Thesis, University of Reading, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.340023.

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Bouwer, Marc Clement. "Identication of semiochemicals from four major insect pests of Eucalyptus and Pinus species in South Africa." Thesis, University of Pretoria, 2014. http://hdl.handle.net/2263/78160.

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The chemical ecology for key insect pests in South Africa's commercial Pinus and Eucalyptus plantations are explored in this thesis. The main aim was to discover and characterize semiochemical compounds that explain certain behaviours of the insects involved, and that could potentially be exploited in future for the manipulation of the insects' behaviour. Such formulations are sought after because they can be applied in environmentally friendly pest management techniques. Semiochemical interactions were studied in four di erent biological systems. These included the sex pheromone communi

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5

De, Damayanti. "Study on the entomapathogenic bacteria of major lepidopteran tea pests and evaluation of their prospect as biopesticide." Thesis, University of North Bengal, 2010. http://hdl.handle.net/123456789/1422.

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Sarker, Mayukh. "A Study on certain hydrolases and oxidoreductases of major arthropod pests of tea from Darjeeling foothill and its adjoining plain." Thesis, University of North Bengal, 2007. http://hdl.handle.net/123456789/1080.

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Chakraborty, Kaushik. "Incidence of major insect pests of paddy in relation to climatic conditions and cultural practices : a study at Raiganj, Uttar Dinajpur, West Bengal." Thesis, University of North Bengal, 2009. http://hdl.handle.net/123456789/1413.

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Mworia, Jackline [Verfasser]. "Major pests of African indigenous vegetables in Tanzania and the effects of plant nutrition on spider mite management / Jackline Mworia." Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2021. http://d-nb.info/1226286186/34.

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9

Mandal, Ananda Kumar. "PATH COEFFICIENT ANALYSIS, GENETIC VARIABILITY AND DIVERGENCE OF DIFFERENT CULTIVARS OF SOLANUM MELONGENA FOR SCREENING RELATIVE SUSCEPTIBILITY TO MAJOR INSECT PESTS Specially TO LEUCINODES ORBONALIS." Thesis, University of North Bengal, 1997. http://ir.nbu.ac.in/handle/123456789/1091.

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Abonaem, Mokhtar [Verfasser], Johannes A. [Akademischer Betreuer] Jehle, and Jörg [Akademischer Betreuer] Simon. "Selection, Optimization and Technical Application of Entomopathogenic Nematodes for the Biological Control of Major Insect Pests on Tomato / Mokhtar Abonaem ; Johannes A. Jehle, Jörg Simon." Darmstadt : Universitäts- und Landesbibliothek, 2021. http://d-nb.info/123741492X/34.

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11

Lancaster, Sarah Renee. "Soil microbial response to glyphosate-base cotton pest management systems." [College Station, Tex. : Texas A&M University, 2008. http://hdl.handle.net/1969.1/ETD-TAMU-2636.

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12

Shankar, P. "Development of molecular approaches for the control of odoiporus longicollis (oliver), a major pest of bananas and plantains in Asia." Thesis(Ph.D.), CSIR-National Chemical Laboratory, Pune, 2014. https://dspace.ncl.res.in/xmlui/handle/20.500.12252/2227.

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13

Brown, Amanda Erica. "Variability in abundance of the rosy apple aphid (Dysaphis plantaginea), the role of its alternate host (Plantago major), and potential control strategies in organic apple orchards in British Columbia." Thesis, University of British Columbia, 2008. http://hdl.handle.net/2429/3422.

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The rosy apple aphid, Dysaphis plantaginea, (Homoptera: Aphididae) is a serious pest of apples in British Columbia (BC), Canada and especially in organic orchards where conventional controls cannot be used. The goals of this study were to determine the environmental or management factors of an orchard that lead to high aphid populations, to conduct an economic assessment of the damage, to determine the timing of autumn migration, and to test several autumn and spring chemical control methods and two novel autumn mechanical control methods targeting the aphids while on their alternate host, Pl

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14

Al, Sarai Al Alawi Mamoon. "Studies on the control of Dubas bug, Ommatissus lybicus DeBergevin (Homoptera: Tropiduchidae), a major pest of Date Palm in the Sultanate of Oman." Thesis, Imperial College London, 2015. http://hdl.handle.net/10044/1/39586.

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Date Palm (Phoenix dactylifera L. Family: Arecaceae; sub-family: Poaceae) is thought to be the oldest fruit tree grown in the Sultanate of Oman and is a major crop in terms of the number of trees and their distribution. Dates are widely considered to be a strategic source of food security as well as an important cash crop, and have always been looked upon as a key source of stability for oasis agro-ecosystems. Several insect and mite pests and plant pathogens attack Date Palm trees. The Dubas bug, Ommatissus lybicus DeBergevin (Homoptera: Tropiduchidae), has been considered the key pest of Dat

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15

Minney, Benjamin Hugo. "Breeding Phaseolus vulgaris (common bean) for resistance to the major pest bruchids Zabrotes subfasciatus and Acanthoscelides obtectus : biochemical bases for seed resistance in wild lines." Thesis, Durham University, 1990. http://etheses.dur.ac.uk/5995/.

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Phaseolus vulgaris (common bean) is an important source of protein for human and animal consumption. Economic losses post-harvest in storage are primarily due to the bruchid beetles Acanthoscelides obtectus (Bean Weevil) and Zabrotes subfasciatus (Mexican Bean Weevil). Wild-lines exhibiting resistance to these two species have been found and the mechanisms of resistance to each species are investigated. The mechanisms of resistance to the two species are found to be multiple, and different for each species. In the case of Z. subfasciatus, the presence of a novel storage protein and absence of

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16

Diaz, Galarraga Rodrigo Rogelio. "Impact of the red imported fire ant upon cotton arthropods." Thesis, [College Station, Tex. : Texas A&M University, 2003. http://hdl.handle.net/1969.1/254.

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17

Al-Khatri, Salim Ali Humaid. "Biological, ecological and phylogenic studies of Pseudoligosita babylonica viggiani, a native egg parasitoid of Dubas bug Ommatissus lybicus de Bergevin, the major pest of date palm in the Sultanate of Oman." Thesis, University of Reading, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.558806.

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Seasonal fluctuations, development and phylogeny of Dubas bug Ommatissus lybicus de Bergevin (Hemiptera: Tropiduchidae) and its native natural enemy Pseudoligosita babylonica Viggiani (Hymenoptera: Trichogrammatidae) were studied on date palm Phoenix dactylifera Linnaeus (Arecales: Arecaceae) in the Sultanate of Oman. P. babylonica emergence and 0. lybicus egg hatching were significantly influenced by temperature whereas relative humidity had no significant effect. P. babylonica developed successfully at temperatures between 22.3°C and 32.4°C with an optimum at 30.0°C whilst no development occ

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18

Abonaem, Mokhtar. "Selection, Optimization and Technical Application of Entomopathogenic Nematodes for the Biological Control of Major Insect Pests on Tomato." Phd thesis, 2021. https://tuprints.ulb.tu-darmstadt.de/19085/1/Mokhtar%20Abonaem_PhD%20Thesis.pdf.

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Tomato is one of the most important crops worldwide. In Egypt, it occupies the largest cultivated area of vegetable crops. There are numerous insect pests attacking tomato crops in Egypt and they cause significant yield loss. The main tomato insect pests in Egypt are the Egyptian cotton leafworm Spodoptera littoralis (Boisduval), the black cutworm Agrotis ipsilon (Hufnagel), the cotton bollworm Helicoverpa armigera (Hübner), the Tomato leaf miner, Tuta absoluta (Meyrick), and the whitefly Bemisia tabaci (Gennadius). The mentioned insect species form a widespread complex which commonly attacks

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19

Jia, Yibing. "Transcript analysis of Feldmannia Sp. virus, FsV : characterization of the major capsid protein gene and its relationship to known viruses." Thesis, 1996. http://hdl.handle.net/1957/34633.

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The Feldmannia sp. virus is a large icosahedral virus that persistently infects marine brown alga Feldmannia sp.. So far, there is no information available about viral genome replication, gene structure and gene expression in this unique viral-host system. The purpose of this study was to characterize the general features of viral transcripts in the virus producing sporophyte plants. Northern analysis, using four cosmid clones that cover the entire viral genome, showed that there were six major transcripts and at least eighteen minor transcripts in the virus producing sporophyte plants. These

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20

Chitneni, Sridhar Kumar. "Development and Evaluation of Diagnostic Tools for Nucleopolyhedroviruses (NPVs) Infecting Major Lepidopteran Pests of Legume Crops in the Semi-Arid Tropics." Thesis, 2008. http://oar.icrisat.org/120/1/Report.pdf.

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The present investigation provides the insight into the evolution of baculoviruses and their hosts and may also aid in the development more effective virus strains for biological control of insects. The improvement of HaNPV-P strain for a successful introduction into biological control for legume pod borer still requires detailed knowledge of the molecular biology of this virus. This study sets the foundation for this and will serve in genetic engineering of the virus to enhance its potential as bio-control agent.

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21

Edington, Brian Ross. "Breeding for disease resistance to the major foliar pathogens of dry beans (Phaseolus vulgaris) in South Africa." Thesis, 1994. http://hdl.handle.net/10413/9405.

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Resistances to bean common mosaic virus, halo, common and Ascochyta blight, angular leaf spot, anthracnose and rust pathogens of beans in South Africa were combined by reverse dichotomous crossing. Full resistance to Uromyces appendiculatus from Carioca 80 was conditioned by a single dominant gene. Partially dominant resistance to Phaeoisariopsis griseola was conditioned by a single gene in Carioca 80 and two genes in PAl 127. Differences in aggressiveness of isolates of Phoma exigua var. exigua were found. Different levels of Ascochyta blight resistance were found in the glasshouse, but field

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