Browsing 3. Doktoritööd by Title
Now showing items 1-20 of 138
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Algae Pseudokircheriella subcapitata in environmental hazard evaluation of chemicals and synthetic nanoparticles
(Eesti Maaülikool, 2011)Vetikad on peamised fotosünteesivad organismid veekogudes, tootes umbes poole Maa primaarproduktsioonist. Seeõttu on oluline keskkonnasaastuse mõju vetikate kasvule. Vetikad on ka head keskkonnatoksikoloogia mudelorganismid, ... -
Alternative biocontrol strategies in the potato phytophthora infestans pathosystem for integrated management of late blight
(Estonian University of Life Sciences, 2022)Potato late blight caused by a fungus-like microorganism, Phytophthora infestans, has historically been one of the most tragic and devastating potato diseases, that can infect all aboveground and underground organs of ... -
Analysis of molecular genetic and life-history traits in Eurasian perch (Perca fluviatilis L.)
(Eesti Maaülikool, 2016)Fishes provide food and livelihood for hundreds of millions of people around the world and currently fish consumption is higher than ever before. As a consequence, the threats of over-exploitation, illegal fishing and fish ... -
Analysis of productivity indicators of field-grown potato meristem plants multiplied by different methods
(Eesti Maaülikool, 2011)Kartuliviirused on taimekahjustajad, mida ei ole võimelik tõrjuda kemikaalidega. Viirusresistentsete sortide kasvatamine või seemnekasvatuse algmaterjali tervendamine viirushaigustest on võtted, mis võimaldavad vähendada ... -
Antennal contact chemoreception in ground beetles (Coleoptera: Carabidae)
(Eesti Maaülikool, 2011)Käesolevas elektrofüsioloogilises uurimuses selgitati kontaktsete kemoretseptorite (maitseharjaste) osa ökoloogiliselt ja taimekaitseliselt oluliste putukate – jooksiklaste toiduotsingus ja elupaiga valikul. Esmakordselt ... -
Assessment of Verticillium dahliae Kleb. And Soil Fungal Communities Associated with Strawberry Fields
(Eesti Maaülikool, 2017)Strawberry (Fragaria × ananassa) is a high value crop, and it is grown for its berries in many countries. Strawberry industry in Estonia has been fluctuating due to the limited selection of cultivars suitable for Nordic ... -
Associations between metabolic profile and coagulation ability of bovine milk effect of feeding and lactation stage
(Eesti Maaülikool, 2013)Most of the milk produced in Europe is converted into cheese by enzymatic coagulation. Therefore the coagulation ability of milk is of great economical interest and widely studied trait. Yet, there is no clear genetic or ... -
Begomovirus infection in tomato fruit
(Eesti Maaülikool, 2017)In an era of globalization and increased food trade, and considering the implementations of climate change on establishment of pathogens into new areas, it is of importance to monitor traded plant material for the presence ... -
Bio-waste composting in the framework of a circular economy
(Estonian University of Life Sciences, 2023)Organic wastes can be stabilized by composting and turned into solid organic fertilizers and soil improvers, while closing the cycle of nutrients. Evaluation of total nutrient concentrations, as well as safety and hygiene ... -
Biochemical methane potential of Estonian substrates and evaluation of some inhibitors of anaerobic digestion
(Eesti Maaülikool, 2011)Energia sõltuvus fossiilsetest kütustest on sundinud riike üle maailma leidma uusi alternatiive energia tootmiseks. Võimalike taastuvate ener-giaallikate seas peetakse üheks potentsiaalseks energia saamise alternatii-viks ... -
Biomass from semi-natural grassland for bioenergy
(Eesti Maaülikool, 2014)One of the under-utilised potential agricultural sources of bioenergy feedstock is the herbaceous biomass obtained from semi-natural grasslands. For biodiversity maintenance, it is important that semi-natural grasslands ... -
Biomass production of different green manure crops and their effect on the succeeding crops yield
(Eesti Maaülikool, 2013)As green manure crops and green manure undersows haven’t been comparatively studied in Estonia, the current research is focused on comparing different green manure crops and their cultivation in Estonia – both when pure ... -
Breeding and migration ecology of Common Crane (Grus grus L.)
(Eesti Maaülikool, 2019)The objectives of this thesis were to analyse the breeding population trends and distribution of the Common Cranes in Estonia and the availability of potential breeding habitat (I, IV), to describe nesting habitats in ... -
Change in Estonian natural resource use: the case of wild food plants
(Eesti Maaülikool, 2017)The use of wild food plants is one example of the importance of biocultural diversity. Wild food plants are, in the context of this work, those plants that grow without the direct intentional help (cultivation or management) ... -
Changes in the biochemical composition of apple (Malus domestica Borkh.) fruits depending on rootstock and calcium treatment
(Eesti Maaülikool, 2013)In the Baltic States, the main goal in apple- related research has been to find out the winter hardy rootstocks and cultivars. The focus in yield quality studies has been on apple size, appearance and storability. Different ... -
Coastal meadows : maintenance, restoration and recovery
(Eesti Maaülikool, 2021)This thesis is a synthesis of 20 years of research into the restoration and recovery of Estonian coastal meadows. The restoration of semi-natural grasslands in Estonia is a new nature conservation activity with only 20 ... -
Collaboration in Estonian rural tourism
(Eesti Maaülikool, 2021)Collaboration is important for fostering rural tourism and a way to overcome challenges. More knowledge can answer how collaboration changes, what keeps stakeholders in the collaboration, how collaboration can be beneficial, ... -
Combining unmanned aerial vehicles and a mesocosm experiment to unveil plant communities shifts under global change conditions in coastal meadows
(Estonian University of Life Sciences, 2022)Semi-natural grasslands are an essential part of the cultural landscape of Europe. Semi-natural grasslands are commonly characterised by a very high biodiversity, including rare species. Beyond the high biodiversity value, ... -
Cultivar resistance and population studies of late blight pathogen in potato breeding in Estonia
(Eesti Maaülikool, 2016)Potato (Solanum spp.) is the third most important food crop in the world after rice and wheat by FAO in 2014 in terms of human consumption. In the cold temperate climate zone, potato is one of the essential vitamins source ... -
Cultivation of willows (Salix sp.) using residues of the wastewater purification process and biogas production as fertilisers
(Eesti Maaülikool, 2015)This thesis suggests that society’s waste products such as municipal wastewater, sewage sludge and biogas digestate could all be used in willow cultivation providing valuable resources to develop the production of bioenergy ...