List of doctoral dissertations | VDU Žemės ūkio akademija

List of doctoral dissertations

Name, surname Topic of dissertation
2024
Jūratė Staveckienė The effect of ripening stage and genotype on the phytochemical composition of the Solanum Sp. fruits
2023
Alfredas Sinkevičius Long – term effects of soil tillage technologies on the sustainability of agroecosystems
Jovita Balandaitė Crop biodiversity influence on multi-crops sustainability, productivity and energy efficiency
Arūnas Čmukas The impact of bio-preparations and undersown cover crops on spring oilseed rape agrocenosis
Dalė Šumskaitė The effect of plant extracts on the quantity of biologically active compounds in prouted leguminous seed
Brigita Medveckienė The effect of ripening stage and genotype on the content of metabolites and mineral elements in rosehip
Inga Andruškaitė The soil sustainability under different tillage conditions by increasing the stratification of organic carbon stock in the arable layer
2022
Marius  Lasinskas The impact of solid-phase fermentation on biologically active substances content in willowherb (Chamerion angustifolium (L.) Holub) leaves
Silvija Kosteckienė Regularities of development and yields of spring rapeseed (Brassica napus L.) sown at different dates
Aušra Rudinskienė Caraway (Carum carvi L.) in multifunctional crops cultivations and their impact on the agroecosystem
Povilas Drulis Improvement of nitrogen use efficiency in maize using urease inhibitors and biological preparations
2021
Inga Jančauskienė Optimization of the morphogenesis process in vitro of giant miscanthus (Miscanthus x giganteus J. M. Greef, Deuter ex Hodk., Renvoize) by exogenic factors
Aloyzas Velička The impact of genotype and aromatic amino acids on the formation and chemical composition of the biological potential of mints (Mentha L.)
2020
Ernestas Maumevičius Influence of seed and fertiliser rates on hemp biological potential, development and evaluation of prospective hemp selection lines
Neringa Juškevičiūtė Regulation of stevia (stevia rebaudiana bertoni) morphogenesis in vitro
2019
Remigijus Peleckis Effect of exogenous amino acids on biological potential of winter rapeseed (brassica napus l. Spp. Oleifera biennis metzg.)
Lina Skinulienė Effect of long term crop rotations and monoculture on soil quality indicators
Ingė Auželienė Effect of long-term crop rotations and monoculture on cereals productivity and weed population
2018
Dovilė Levickienė The influence of the biodynamic preparations on the soil properties and accumulation of bioactive compounds in the leaves of white mulberry (Morus alba l.)
Marina Keidan Optimization of winter oilseed rape technological parameters in the organic farming system
2017
Sandra Žaldarienė Chemical composition of different genotypes of organic Jerusalem artichoke (Helianthus tuberosus L.) along the ontogenesis cycle
Rita Mockevičienė The influence of non-chemical weed control and biopreparations on the agrocenosis of spring oilseed rape
Vaida Steponavičienė Sustainability of agroecosystem and carbon sequestration as effect of long-term complex measures
2016
 Vidmantas Kučinskas   Patterns of plant leaf energy exchange
Rimanta Vainorienė The effect of exogenously applied proline and potassium bicarbonate on the green foxtail (Setaria viridis (l.) P. Beauv.) Formation of the biopotential under different watering conditions
Aistė Juchnevičienė The effect of the genotype, fertilization and changing climate factors on winter wheat
 Nijolė Vaitkevičienė  The effect of biodynamic preparations on the accumulation of biologically active compounds in the tubers of different genotypes of ware potatoes
2015
Edita Mažuolytė-Miškinė Effect of biogenic growth stimulants on spring barley under conditions of different moisture regime
Edita Juknevičienė The effect of biodynamic preparations on the properties of soil, yield of great pumpkin (Cucurbita maxima d.) fruits and their quality
2014
Rita Čepulienė Dynamics of accumulation of allelochemical compounds in oilseed rape and effect on agricultural crops and weeds
2013
Aida Adamavičienė Living mulch and weed competitiveness in maize crop
Dovilė Avižienytė The impact of different long-term soil tillage on agrocenoses in the conditions of intensive agriculture and crop rotation
Kristina Bajorienė Residual effects of organic mulches on agrocenosis
Povilas Mulerčikas Distribution of click beetles (Coleoptera, Elateridae) in different types of agrocenoses and harmfulness of the most abundant species to gramineous crops
Ramunė Masienė Genetic and physiological aspects of flax morphogenesis induction
2012
Vaida Jonytienė Effect of endogenous and exogenous factors on acclimation and cold tolerance of winter rapeseed (Brassica napus L.) in vitro and in vivo
Živilė Juknevičienė The effect of light and temperature on potato (Solanum tuberosum L.) tuber sprouting, plant development and productivity formation
Lina Marija Butkevičienė Development and yielding regularities of winter oilseed rape and its hybrids as influenced by different sowing dates
2011
Rūta Dromantienė The use of amino acids for winter wheat biological potential enhancement introduction
Aušra Sinkevičienė The effect of organic mulches on soil properties, segetal flora and crop productivity
Robertas Kosteckas The regularities of biopotential formation of spring oilseed rape (Brassica napus L.) fertilized at different intensity in the crops differing in stand density
Judita Černiauskienė Quality analysis of different cultivars oil pumpkin (Cucurbita pepo L. var. styriaca) fruits pulp, seeds, oil and oil cake
2010
 Skirmantė Balnytė  Agroecosystem optimization by crop rotation, catch crop and manure in organic farming
 Skaidra Kordušienė  Drying and freezing methods of sprouted seed intended for human consumption and reduction of microbiological contamination
 Romutė Mikučionienė  Integrated evaluation of the capacity and main properties of gleyic luvisols with different fertilization systems
2009
Kęstutis Malinauskas Biometric and fluorometric research performed in a nursey on productivity of variously fertilized apple tree grafts
Rima Juozaitytė Response of pea (Pisum sativum L.) different morphotypes to the effect of ozone and UV-B radiation
Aistė Pečkytė Agrobiological potential and yield quality of malting barley as influenced by mineral and foliar fertilizers
Tatjana Tranavičienė The effects of nitrogen on photosynthetic and grain quality indicators of different varieties of common wheat (Triticum aestivum L.)
Jurgita Kulaitienė Influence of agrobiological factors on field pumpkin (Cucurbita pepo L.) fruit quality
2008
 Renata Laurė  The effects of biostimulants and mineral nutrition elements on the yield of agricultural crops, their quality and soil biological activity
 Edvardas Kazlauskas  The effect of ß-alanine hydrazide derivatives on common bean (Phaseolus vulgaris L.) photosynthesis, rhizogenesis and productivity
 Virginijus Butkus  Heavy metals saturation in the soil and it’s influence on soil microorganisms and enzyme activity
 Zita Kriaučiūnienė  Peculiarities of oilseed rape residues decomposition in the loam of hypogleyic cambisol
 Lina Ūksienė  Optimization of oilseed rape (Brassica napusssp. oleifera) fertilization on Lithuanian luvisols (Luvisols)
 Loreta Taluntytė  Plants mining dipterans (Diptera) in agroecosystems of Lithuania
2007
Živilė Tarasevičienė The optimization of light spectral composition for growing of vegetable seedlings
Jolanta Sinkevičienė Seed-borne fungi of cereals (Poaceae) and their control by physical methods
Regina Romaneckienė Weed – spring barley competition and adaptation to different environmental conditions
Ingrida Kraujutienė An influence of cultivar and growing technology upon chemical composition and biological activity of sprouted wheat
Aurelija Paulauskienė The influence of fertilizers on chemical composition on fruits of different pumpkin cultivars and on the quality of processing products
Rima Pranaitienė The effect of inhibitors on the quality of the stored potato tubers and products thereof
2006
Agata Kairytė Tillage intensity and straw incorporation effect on barley agrocenosis
Mindaugas Bastys Formation of the stand density, yield and quality of fibre flax using agricultural technological means
Ramunė Kuprienė Development of yellow-seeded rapeseed (Brassica napus L.) by biotechnological and cklassical breeding methods
2005
Alfonsas Sigitas Tamošiūnas Optimization of in vitro propagation ornamentals from aroids (Araceae Juss.) family
Daivas Malinauskas Peculiarities of winter rape (Brassica napusssp. oleifera) growth, development and ripening in central Lithuania
Kristina Grigaliūnienė The long-term fertilization effect on biological activity of different genesis soils
Virginijus Trimirka Bewertung der luvisols – belastung durch schwermetalle und modelluntersuchung ihrer sorption in der feindispersen bodenfraktion
Nijolė Petraitytė Phenotypic and genetic diversity of caraway (Carum carvi L.) population in Lithuania
Aušra Blinstrubienė Investigation of linseed flax in the cultures of somatic and generative tissues