E-Dissertationen: Browsing E-Dissertationen by Title
Now showing items 884-903 of 1014
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Studies on the Characteristics of the Antagonistic Relationship between Radopholus similis (Cobb) Thorne and Mutualistic Endophytic Fungi in Nematode-Suppressive Banana Plants (Musa AAA)
zum Felde, Alexandra (2008)The antagonistic relationship of Radopholus similis and seven mutualistic endophytes isolated from banana and plantain were investigated in a series of experiments. First, prior to field trials and further greenhouse ... -
Studies on the effect of exogenous amino acid application on nematodes
Blümel, Roman Christopher (2020-03-02)Plant parasitic nematodes are considered as key pathogens in agricultural crop production. They cause substantial yield losses in numerous crops and across all climatic regions worldwide. Antagonistic effects on various ... -
Studies on transmissibility, cytopathology and control of Tomato chlorotic dwarf viroid and Potato spindle tuber viroid
Vo, Thi Thu (2018-05-17)PSTVd and TCDVd have wide host ranges and are able to cause huge economic losses in many high-valued crops in the Solanaceous family. TCDVd has recently been detected to infect many species worldwide, posing the potential ... -
Study on the Response Time of Direct Injection Systems for Variable Rate Application of Herbicides
Hlobeň, Peter (2008)Progress in the technology of weed detection using cameras combined with image processing requires improvements in spray technology. Spraying systems of current design distribute herbicides uniformly across the field. ... -
Stufenkonzept zum Aufbau überbetrieblicher Informationssysteme für das Qualitäts- und Gesundheitsmanagement in Wertschöpfungsketten der Fleischwirtschaft
Schulze Althoff, Gereon (2006)Ziel der Arbeit war die Entwicklung eines Stufenkonzepts, das den Aufbau und die Weiterentwicklung überbetrieblicher Informationssysteme für das Qualitäts- und Gesundheitsmanagement in Wertschöpfungsketten der Fleischerzeugung ... -
Subcellular glutathione homeostasis and characterisation of glutathione transport across the plasma membrane in Arabidopsis thaliana
Bangash, Sajid Ali Khan (2017-12-22)Challenging environmental conditions are known to alter glutathione homeostasis, notably by inducing the accumulation of oxidized glutathione, an effect that may be influential in the perception or transduction of stress ... -
Subcellular localization of Glutathione peroxidase-like enzymes (GPXLs) in Arabidopsis thaliana and characterization of GPXL3 deficient mutants
Attacha, Safira (2017-03-27)A common feature of plants being exposed to diverse forms of environmental stress is the increased formation of reactive oxygen species (ROS) in both photosynthesis and respiration. Formation of ROS, however, is not ... -
Suitability of non-destructive sensors for monitoring physiological and biochemical responses of tomato leaves and fruits to abiotic stresses
Groher, Tanja (2019-05-02)The major aim of the present work was to proof the suitability of chlorophyll fluorescence-based indices to non-destructively monitor and predict changes in the content of plant compounds in response to abiotic stresses. ... -
Supplementation of a rumen-protected conjugated linoleic acid mixture (cis-9, trans-11; trans-10, cis-12) to early lactation dairy cows: effects on feed intake and performance
Metzger-Petersen, Katrin (2013-06-07)Conjugated linoleic acids (CLA) are geometric and positional isomers of linoleic acid with conjugated double bonds. <em>Cis</em>-9, <em>trans</em>-11 and <em>trans</em>-10, <em>cis</em>-12 CLA are the two most intensively ... -
Sustainability Information Services for Agri-Food Supply Networks: Closing Gaps in Information Infrastructures
Lehmann, Richard Joachim (2011-07-14)Several global developments (e.g. diminishing production resources, growing demand for bio-energy) and numerous sector-wide crises (e.g. BSE, swine fever, dioxin) have led to a changing attitude of society towards the ... -
Sustainability of community forestry enterprises: indigenous wild honey gathering in the UNESCO Man and Biosphere Reserve Palawan, Philippines
Matias, Denise Margaret Santos (2017-12-12)Commercialization of non-timber forest products has been one of the strategies worldwide for integrated rural poverty alleviation and forest conservation. Through a social-ecological systems approach, this dissertation ... -
Sustainability of organic and non-organic smallholder farms in Kenya
Kamau, Juliet Wanjiku (2018-06-29)Smallholder farms play a vital role in the quest for sustainable development, especially in sub- Saharan Africa (SSA) where livelihoods are still heavily reliant on agriculture. Current environmental and socioeconomic ... -
Sustainability performance of organic and conventional farming systems in Kenya: Murang'a, Kirinyaga and Machakos Counties
Ndungu, John Mwaniki (2022-03-17)The concept of sustainable farming systems focuses on the need to develop techniques and practices that have positive effects on social outcomes, the environment, and food productivity. In Africa, there are limited empirical ... -
Sustainable Agricultural Practices (SAPs) in Northern Ghana: Impacts on Welfare, Environmental Reliance, and Agricultural Land Expansion
Gebremariam, Gebrelibanos Gebremedhin (2018-10-22)Sustainable agriculture has become an important issue in the development-policy agenda in Sub-Saharan Africa (SSA), as a major avenue to simultaneously raise smallholder agricultural productivity and enhance climate change ... -
Sustainable intensification: Farmers’ adoption behaviour and environmental outcomes
Weltin, Meike (2021-04-06)Sustainable intensification measures imply implementing changes in farming systems to improve environmental outcomes without compromising economic outputs. In order to assess the achievement of these outcomes, the dissertation ... -
Sustainable Management of Fruit Orchards in the Soconusco, Chiapas, Mexico - Intercropping Cash and Trap Crops
Marroquín Agréda, Francisco Javier (2008)South Mexico belongs to the Mesoamerican tropical region. The typical production systems are characterized on the one side by high diversity home gardens and by export orientated plantations like mangoes, avocados, papayas, ... -
Sustainable use of washing machine: modeling the consumer behavior related resources consumption in use of washing machines
Lasic, Emir (2014-09-23)Two opposing trends are observed in Europe: an increase in the washing machines’ rated capacity and a decrease of the household size (hence a decrease of laundry that has to be washed). The question poses: what kind of ... -
Synthese und Charakterisierung von funktionalen Lignin-basierten Polyurethan-Coatings aus unmodifiziertem und modifiziertem Kraft-Lignin
Klein, Stephanie E. (2020-12-02)Bedingt durch die zunehmende Rohstoffknappheit rückt die Suche nach alternativen, nachhaltigen Rohstoffen immer mehr in den Vordergrund. Im Hinblick auf effiziente chemische Verwertbarkeit bietet Lignin zahlreiche Vorteile ... -
System innovations promoting health management in pig production chains
Schulze-Geisthövel, Sophia Veronika (2015-07-28)The main goal of this paper was to propose system innovations, always referring to the supply chain of pig meat, regarding the realization of the following three big challenges: renouncement of tail docking, renouncement ... -
The systemic activity of mutualistic endophytic fungi in Solanaceae and Cucurbitaceae plants on the behaviour of the phloem-feeding insects Trialeurodes vaporariorum, Aphis gossypii and Myzus persicae
Menjivar Barahona, Roy Donald (2010-06-10)The biocontrol activity of mutualistic endophytic fungi inoculated into the rhizosphere on the root-knot nematode<em> Meloidogyne incognita</em> and the phloem-feeding insects: <em>Trialeurodes vaporariorum</em> (Westwood) ...