Browsing Fakultät für Agrarwissenschaften (inkl. GAUSS) by Title
Now showing items 134-153 of 922
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Cholesterol homeostasis in Development
(2005-11-04)Inborn errors of cholesterol biosynthesis are characterised by multiple developmental defects. Among the enzymes involved in the cholesterol biosynthesis pathway, 7- dehydrocholesterol ... -
Climate Change, Risk and Productivity: Analyses of Chinese Agriculture
(2013-09-17)This thesis analyzes challenges to agricultural production in China, which could impair the country’s ability to maintain or to increase its output of important food commodities. By means of three empirical studies, issues ... -
Clonal diversity and population genetic structure of the grain aphid Sitobion avenae(F.) in central Europe
(2005-01-14)The grain aphid, Sitobion avenae (F.), displays a number of different life-cycles. These range from complete asexual viviparous and frost-sensitive lineages (anholocyclic) to ... -
CO2-Bindung in landwirtschaftlichen Böden durch Humusaufbau - Untersuchungen zur Teilnahmebereitschaft landwirtschaftlicher UnternehmerInnen an Humusprogrammen
(2024-12-19)In order to counteract climate change, it is necessary to reduce greenhouse gas emissions and the existing concentration of greenhouse gases in the atmosphere. Agricultural soils have a great potential to store carbon ... -
Cocoa pollination as a potential yield driver under changing management and climate
(2020-08-24)In my doctoral research, I combined a literature review with field experiments to investigate the pollination ecology of cocoa, the third largest export commodity worldwide. The aim of my work was to elucidate the potential ... -
Coffee Productivity and Water Use in Open vs Shaded Systems along an Altitudinal Gradient at Mt. Elgon, Uganda
(2021-02-05)Coffee is one of the most important agricultural products worldwide. It provides the livelihood of 25 million farmers in tropical countries and of approximately 125 million people along the production chain. Furthermore, ... -
Colonization of maize with Fusarium spp. and mycotoxin accumulation
(2012-01-06)Ear rot caused by Fusarium spp. is a serious disease of maize plants worldwide, which can be divided in two types: Red ear rot or Gibberella ear rot (GER), and Pink ear rot or Fusarium ear rot (FER). Apart from impairment ... -
Colonization pattern of crop plants by endophytic fungi
(2015-06-16)Endophytes are fungi or bacteria occurring inside plant tissues without causing any apparent symptoms in the host plants. Fungal endophytes are quite common in nature; some of them are able to work as bio-control agents ... -
Combined application of a biopesticide and a botanical compound to control fungus gnats Bradysia impatiens
(2021-12-14)Fungus gnats, including the common species Bradysia impatiens Johannsen (Diptera: Sciaridae) are one of the most common pests in greenhouse production systems, mainly due to the direct feeding damage by larvae on the roots ... -
Combining Industrial Organization and Econometric Methods in Price Transmission Analysis
(2017-02-13)The degree of competition and level of price transmission in food markets have important effects on the welfare level of consumers and producers. Thus, substantial attention has been paid to the analysis of price transmission ... -
Combining remote sensing data at different spatial, temporal and spectral resolutions to characterise semi-natural grassland habitats for large herbivores in a heterogeneous landscape
(2019-11-22)Semi-natural grasslands are ecosystems with high biodiversity. In Europe, such open and half-open areas are a fundamental characteristic of the cultural landscape, originating from and depending on management activities. ... -
Communication Networks and Nutrition-sensitive Extension in Rural Kenya: Essays on Centrality, Network Effects and Technology Adoption
(2018-05-29)Globally, 767 million people live on less than US$ 1.90 a day and two billion people are malnourished. Especially affected by poverty and malnutrition is the rural population of Sub-Saharan Africa (SSA), who depend on the ... -
Community structure and interaction webs of flower-visiting and cavity-nesting insects along an experimental plant diversity gradient
(2008-07-16)During the past decades a worldwide loss of biodiversity has been identified, and understanding the consequences for biotic interactions and associated ecosystem services has become a major ... -
Comparative QTL mapping in diploid and alloploid Brassica species to analyze fixed heterosis
(2010-10-22)The spontaneous hybridization of related species by combining their genomes (alloploidy) has played a prominent role in plant evolution. Main reasons for the success of allopolyploids are ... -
Comparison of pure line cultivars with synthetic cultivars in local breeding of faba bean (Vicia faba L.) for organic farming
(2007-09-11)Faba bean (Vicia faba L.) as a grain legume is a low input crop that fits well to the organic farming and provides the organic cropping system with a number of advantages (e.g., break crop, positive N-balance, ... -
Competitiveness and Efficiency of Rice Production in Malaysia
(2017-02-24)Rice is one of the most essential staple foods for a large part of the world’s human population and has a large influence on human nutrition, the livelihood and food security of several billion people living across the ... -
Competitiveness of pastoral livestock production and sea buckthorn farming in Mongolia: Application of Policy Analysis Matrix
(2016-07-28)This dissertation deals with two issues related to the competitiveness of the Mongolian agricultural sector: pastoral livestock production and sea buckthorn farming. The pastoral livestock sector plays a vital role for ... -
Competitiveness of Polish Milk Processing Industry During the Integration to the European Union
(2001-12-04)To analyse competitiveness of Polish milk processing industry during Poland's integration to the EU the study employs the concept of comparative advantage of international trade theory. It has been shown that the mechanism ... -
Conservation of wild bees in agricultural landscapes through intercropping and habitat management
(2025-03-12)Bees, important providers of vital environmental functions such as pollination and soil bioturbation, are currently declining both on a local and global scale. Two main causes of this decline are habitat loss and fragmentation ... -
Construction of an equine antibody library in the single-chain-Fragment-variable format (scFv) to express equine immunoglobulins
(2021-03-30)Horses are exposed to a large variety of pathogens and diseases. Equine herpesvirus Type 1 (EHV-1) is one of the most prevalent viral pathogens infecting horses. Approximately 60 % of the horse population worldwide are ...