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  • Hungarian wine marketing ang wine consumption
    43-47
    Views:
    144

    Hungarian wine is not in such a bad position as it is considered. We have outstanding specialists and the country’s natural conditions are also proper. The level of Hungarian wone culture is comparatively low but is capable of progress. Hungarian Wine Marketing Non-profit Company helps public wine marketing to be really effective. The development of tourism in wine-growing regions and advertising would considerably promote the popularity of Hungarian wine.

  • Result of Wine Consumption Survey
    387-393
    Views:
    106

    Wine has always played an important role in the Hungarian culture and gastronomy. Today, average wine consumption is about 33 liter per person per year, which figure, comparing with datas in Western Europe, is acceptable. However, cultured wine consumption has begun to develop only in last few years. Consumers, whose knowledges about wines have been widening, demand quality wines. The number of high standard scientific contributions on this subject has risen greatly. But comparisons of them are rather difficult because of adopting different surveying methods. This research has supported and confirmed that wine is a confidental product and previous experience could be an important determining factor during wine-purchasing. Wine is popular as a present, so the nice, elegant look, proper bottles and labels are essential for the higher rate of selling. Further, price-value rate could also be a main factor during the customers’ decision. This survey is a result of a test-research and its methodolical experience will have been used in my following researches.

  • Rippl-Rónai’s color in the native parks: production and using of new, synthetic Wild sage color-mixture
    59-64
    Views:
    153

    The climate changes is becoming more damaging to ornamental plants. Besides ornamental species and varieties of plants on public spaces. It will be necessary to use domestic, well adaptable climate-tolerant plant species.

    One field of our growing ornamental plants researches from 2001 in the Centre of Agricultural Sciences of University of Debrecen, is studying drought patient, mainly Hungarian improved annual varieties, which are able to get acclimatized with the landscape. Moreover, we have in view to work out new, economical seedling production technologies. In the program, the excellent drought- and frost tolerant annuals and perennials belongs to the climate change tolerant plants. From the evaluated of species we want to create and spread the application. of the new types of ornamental horticulture culture.

  • Relationships of the sport and the life quality in the University of Debrecen
    87-96
    Views:
    155

    In the sport- life of the University of Debrecen there has been a demand formulated on the making of a comprehensive, long-term development plan, which obviously incorporates all
    fields of sport. This document guides the way for people in the sport- life of the university how they could organise their activities connected with sport on a calculable, predictable level.
    Necessarily, the preliminary collection of professional informations has been a basic requirement for the establishment of this document.
    The program provides foreseeable instructions to the organisation of sport pursuits both for sport people in the university, and members of the sport spehere in a wider sense. It
    offers a cohesive solution for all kinds of tasks defined with the sport life, and also gives a guidance for the various ways of realisations of these challenges. Thus it can answer such questions as for example how the university can conduce the initation of conditions for the healthy living through spare time sporting, how it can participate in the financing of contest sport with the contributing project of reinforcement training and how the university can support the sport life of handicapped people. The project also contributes to the cultivation of the sport traditions of the university by bankrolling not only the official university sport
    life but also the leisure time sporting of the students.
    On the basis of rethinking the situation of sport at the university with its future possibilities the program paraphrases the tasks of the university in the sport life, the long term aims of
    university sport politics with its operative aims that should be performed and also the possible steps which lead to these purposes.
    The target of the project is to turn the University of Debrcen in every field into a “Sporting University”. It means, that beyond the development of quality sport and outstanding contest sport a much wider range of university people should be included in sporting in order to utilize all the advantages of sport. With this the physical culture could become not only a substantial form of spending our free time, but with getting one of our natural everyday activities it can also become our lifestyle.
    Sporting prominently contributes to both the university students’s and the whole society’s mental and physical wellfare, and it also helps to improve our helthstate on various fields of life:
    with its special functions it is a means for establishing a healthy nation, for promoting common relationships, for nourishing the economic activity of people and also for strengthening the national values and one’s self-esteem through providing equal opportunities.
    The prosperousity of contest sport at the university and the maintaining and protesing of its efficiency fortifies our selfregard, as it is able to hold appropriate sportsmen up as examples
    to both present and future universtity students, and also offers exacting ways of entertainment. Besides all these the advataged purpose of the project is to find and delibaretaly include those
    necessary mechanisms which are needed for the working of the sport market.

  • Possibilities of Growing Artichoke (Cynara scolymus L.) in Hungary
    126-130
    Views:
    86

    The domestication of choice broadening, special vegetable species offers new market possibilities in Hungary. The production of artichokes has good perspectives due to its high protein, vitamin and mineral contents and its wide usability. According to the literature, in Hungary it is worth examining the annual production technology, which has yet to be researched in our country. The basic aim of our work was to establish the annual production of artichoke in Hungary with scientific research.
    In the experiment, 5 Italian sorts (Valetta di Roma, Gobbo di Nizza, Violetto di Romagna, Violetto S. Francesino and Precoce di Romagna), 1 American sort (Green Globe) and 1 Egyptian sort (Balady) were used. For one half of the plants, we tried to bring on bud-production appearing in the first year only with early planting, while we used also a gibberellic acid hormone treatment for the other half.
    Only the sort Green Globe had yields in appropriate quantity (21.4 t/ha) and quality. The low yield and inequable quality of buds of the Italian and Egyptian sorts refers to the fact that these sorts are not applicable for annual production in Hungary. Although the gibberellic acid treatment resulted an earlier harvest, increased the equality of buds and increased the proportion of stems producing buds except for the sort Green Globe, overall it did not have a positive effect. The hormone treatment fastened the physiological processes of the plants, thereby it induced early insenescence and lignifying of the buds. The high temperatures during the bud-formation period largely increased the ratio of flabby, over-blowing buds, so the planting must be timed in the future that the harvest period is in early automn or late spring, early summer months.
    According to our results, globe artichoke can become a perspective culture by applying cold-resistant sorts with short growing seasons, which can be produced as annual crops without hormone treatment by the appropriate timing of bud-formation.

  • Addictions of youngsters living in the countryside: social and demographic background of alcohol consumption
    81-84
    Views:
    127

    In the past 10–15 years, the consumption of illegal drugs has increased significantly both in Hungary and in our county. In parallel with the society’s getting more and more open, the fulfilment of personal freedom, and the spreading of globalisation and individual culture, the use of drugs has become more and more accessible and acceptable to the young.

    Social problems are supposedly connected with the interviewees’ alcohol consumption. The EuroADAD questionnaire was used. The sample covered 190 interviewees. I have processed the data with the SPSS statistical program package.

    The linear regression analysis was applied to examine the interrelations between the elements under study. Almost consume alcohol as well. Among the examined socio-demographic variables, youth alcohol consumption was most affected by the gender of the respondent, the dissatisfaction with living conditions, and the change of residence.

  • Evaluation of nutrient conditions in open hydroponic system based on tomato production
    116-119
    Views:
    70

    Monoculture caused a gradual decline of soil conditions, while nematodes and salt accumulation stimulated the growers to choose alternative practices, such as soilless cultures, which proved their value in Western Europe. Exact statistics are lacking, but estimates deal with approximately 300-400 hectares of vegetable on rock wool, whereas other substrates of soilless culture may multiply this number. Real perspectives are attributed to the forced production of pepper, tomato and cucumber.
    Vegetable production in greenhouses may impair the ecological balance of the environment substantially as far as being uncontrolled. Soilless cultures especially should be handled thoughtfully. A fraction of the nutrients administered, more than 25-30%, is doomed to be lost in an open system, and the resulting ecological risk is accompanied with increasing costs of the production.
    In Hungary, the quantity of nutrient elements in drainage water is unknown, et all. Connecting the production results with chemical analysis, we gain more information about it.
    You can see a mathematical method for evaluation of nutrient and water conditions in tomato hydroponics production.

  • Improvement of black locust (Robinia pseudoacacia L.) growing under marginal site conditions in Hungary: case studies
    129-133
    Views:
    317

    In Hungary, black locust (Robinia pseudoacacia L.) is considered as an important exotic stand-forming tree species growing mostly under unfavourable ecological conditions for forest management. Due to climate change effects, its importance is increasing in many other countries, too. As a result of a selection programme, new black locust clones were tested in clone trials. Juvenile growth of 12 micropropagated black locust clones in two plots series established at different dates were evaluated in central Hungary under marginal site conditions. At age of 7 the clone R. p. ‘Bácska’ (‘KH 56A2/5’), at age of 10 the clones R.p. ‘Homoki’ (‘MB17D3/4’) and ‘PV201E2/4’ appeared to be especially promising for mass production. Based on the data obtained from the performed trials, it can also be concluded that tissue culture can be considered as a suitable tool for propagating superior individuals and offers new prospects for the rapid cloning of selected genotypes used for plantation forestry.

  • Identification and biological examination of some inland Monilinia species
    27-29
    Views:
    113

    The aim of this study was to identify and biologically analyse some Monilinia species from Hungary. 146 M. fructigena and 28 M. laxa species out 174 infectious fruit from all over the country were used for the study. For further study 10 isolates were used and apple fruit was inoculated with them according to Koch postulate. 1–2 mm ochre exogen stromas were observbed on infectious plant parts and growing signs on culture of all isolates were identical to M. fructigena. To affirm classical identification, isolates with molecular biological method were also prepared using PCR reaction. Control isolates of M. laxa, M. fructigena and M. fructicola were used. The size of PCR product showed that all isolates had a 415 bp band which was typical of  M. fructigena. Results support the previous observation that M. fructigena and M. laxa species occure all over Hungary.

  • Phylogenetic studies of soybean pathogen Phoma species by Bayesian analysis
    53-61
    Views:
    119

    We carried out phylogenetic study analyzing sequences of genetic markers in the taxonomy of Phoma and Phoma-like fungi. Different species of Phoma and Phoma-like fungi occurring on soybean (Phoma pinodella, Phoma sojicola, Phyllosticta sojicola, Phoma exigua var. exigua) are difficult to identy because of their high morphological and symptomatic similarities.
    Twenty-two isolates of nine different Phoma species were obtained from reference culture collections. Seven of them were isolated from soybean, the others were collected from different hosts.
    The Phoma isolates were firstly characterised by morphologically, and then we employed a part of the gene responsible for the synthesis of translation elongation factor 1 subunit alpha protein (tef1), ITS region, as well as β-tubulin partial sequences as potential genetic markers to infer
    phylogenetic relationships among different Phoma species..Finally, their ITS and tef1 sequences were sequenced and analysed by Bayesian approaches.
    According to phylogenetic trees inferred by Bayesian analysis of tef1, ITS and β-tubulin sequences, different Phoma species can be separated proving that these phylogenetic markers are well suited for phylogenetic studies of Phoma species. However, the phylogenetic tree does not support the traditional Phoma sections based on morphological characterization.
    Bayesian analyses of the three sequences confirmed that the Phyllosticta sojicola species is clustered with the Phoma exigua var. exigua group and the Phoma sojicola is grouped with Phoma pinodella group. The molecular data provide evidence for reclassification of formerly mentioned soybean pathogens.

  • Experiments for Isolating and Culturing Soil-borne Mycobacteria (Contemporary Publication)
    107-110
    Views:
    59

    On grounds of the several thousand tests performed in the field of this topic, the following conclusions may be arrived at:
    1. The informations available and the experimental data on soil mycobacteria are very incomplete.
    2. Of the 77 strains isolated from similar soil types so far, and adaptable for pure basic culture, 47 strains are confusingly similar, from morphological aspects, to the mycobacteria isolated from clinical material.
    3. The apparently homogeneous cultures isolated from the soil are generally co-infected and, therefore, the morphological, biochemical, and other physiological characteristics of the isolated strains can be studied only on base cultures after purification.
    4. For the isolation of the soil mycobacteria experiments qualified hitherto as most suitable processes the 4 or 1 per cent NaOH neutralized with H2SO4, and the 1 per cent NaOH or 1 per cent Na3PO4 treatments, on Gottsacker agar medium with plate or top pouring, at a temperature of 29 to 37 C°, in a soil suspension sequence of 1:500 to 1:5000 final dilution.
    5. The Ziehl-Nielsen staining of the isolated mycobacteria composed to sub-cultures is best performed by heating with an infra red radiator from above, instead of the gas flame used so far to heat from below.
    The repetition of the biochemical test of the hitherto isolated 77 purified strains is under progress, and will be reported on in our next scientific publication.

  • Challenges and responses for the convergence of people living in deep poverty in Hungary
    51-54
    Views:
    127

    The accompanying phenomenon of the ongoing economic crisisis the deepening and fixation of awidely reaching social crisis. The concept o fdeep poverty has become generally known in recent years and has now become inevitable the convergence of the most disadvantaged at EU, governmental,regional and local levels. Besides government and othe rprograms a lot of research and studies serve reintegration. Among convergence tools education and training play prominent roles, which besides the acquisition o fpractical knowledge, place special emphasis on the development of a convergence helping environment and culture, the creation of a "convergenceculture".

  • Sequence stability at SSR, ISSR and mtDNA loci of common millet (Panicum miliaceum) from the middle ages
    10-19
    Views:
    86

    Seed remains of medieval millet, recovered from a 15th century layer (King’s Palace, Budapest, Hungary), showed reddish yellow grain color after rehydrating on tissue culture medium that was close to grain color of modern cultivar Omszkoje. aDNA of medieval c. millet was extracted successfully, analyzed and compared to modern common millets by ISSR, SSR, CAPS and mtDNA. Analyses of fragments and sequences revealed
    polymorphism at seven ISSR loci (22 alleles) and at the 5S-18S rDNA locus of mtDNA. CAPS analysis of the 5S-18S rDNA fragment revealed no SNPs in the restriction sites of six endonucleases TaqI, BsuRI, HinfI, MboI, AluI and RsaI. Sequence alignments of the restriction fragments RsaI also revealed
    consensus sequence in the medieval sample compared to a modern variety. Morphological characterization of twenty common millet (Panicum miliaceum L., 2n=4×=36) cultivars and landraces revealed four distinct clusters which were apparently consistent with the grain colors of black, black and brown, red, yellow, and white. In the comparative AFLP, SSR and mtDNA analysis modern millet cv. ‘Topáz’ was used. AFLP analysis revealed that extensive DNA degradation had occurred in the 4th CENT. ancient millet resulting in only 2 (1.2%) AFLP fragments (98.8% degradation),
    compared to the 15th CENT. medieval millet with 158 (40%) fragments (60% degradation) and modern millet cv. ‘Topáz’ with 264 fragments (100%). Eight AFLP fragments were sequenced after reamplification and cloning. Microsatellite (SSR) analysis at the nuclear gln4, sh1, rps28 and rps15 loci of the medieval DNA revealed one SNP (single nucleotide polymorphism) at the 29th position (A to G) of rps28 locus compared to modern millet.
    Mitochondrial (mtDNA) fragment (MboI) amplified at the 5S-18S-rDNA locus in the medieval millet showed no molecular changes compared to modern millet. The results underline the significance of survived aDNA extraction and analysis of excavated seeds for comparative analysis and molecular reconstruction of ancient and extinct plant genotypes. An attempted phenotype reconstruction indicated that medieval common millet showed the closest morphological similarity to modern millet cultivar Omszkoje. 

  • Tending operation model for red oak stands
    133-136
    Views:
    158

    Red oak (Quercus rubra L.) is our most important exotic oak species, that possesses growing culture with almost one hundred years in our country. Plantation character of red oak growing predominates principally by applied regeneration method (mostly artificial), regular planting space, applying defined method and planting space regulation system. Forest tending model for red oak, that considered stopgap in the native literature is intended to serving the latter. Especially important equation in the viewpoint of stand growing, that describes relationship of stem number (N, in hectare) and diameter at breast height (D1.3 in cm) is: N=e9.80220-1.12607lnD1.3.

  • Phytopatological properties of symbiotic Rhizoctonia solani strains associated to orchids
    65-71
    Views:
    143

    The mycobiota of the Orchidarium of ELTE Botanical Garden (Budapest) has been studied applying aerobiological methods and isolating of tissue samples taken from 92 individuals of sixty orchid species. Among isolated basidiomycetaceous fungi 13 strains of Rhizoctonia solani were surviving in axenic culture. These symbiotic R. solani strains proved to be pathogenic on 24 cultivated plant species at varying degree. The symptoms of disease caused by R. solani strains isolated from orchids did not differ from that caused by reference strains. Three groups of strains could be separated regardless of their source or aggressivity. The host plants clustered into two groups, and their taxonomic position had no role in this respect. In general, we can assume that orchid associated Rhizoctonia strains are potential plant pathogens, and removed or withdrawn orchid stools should be treated as hazardous waste.

  • Investigation of Potato (Solanum tuberosum L.) Salt Tolerance and Callus Induction in vitro
    51-55
    Views:
    90

    Potato production plays an important role in Hungary and the other countries of Europe. Consumption of potato products has increased to a large extent during the past several years. We can satisfy market demands with high quality and virus-free varieties.
    Results of potato production depend on tolerance/resistance to abiotic stresses. In many cases, increased concentration of NaCl causes yield loss. Selection of salt tolerant varieties proved to be a difficult problem. Nowadays, the salt tolerance of potato varieties can be determined by cell/tissue/ protoplast techniques. Somaclonal variation provides a great potential for selection of lines resistant to salt stress. In vitro shoots and callus, derived plantlets selected for salt tolerance/resistance provide material for micropropagation.
    In vitro shoot development of potato (Solanum tuberosum L. cv. Kuroda) was investigated under salt stress (40 mM, 80 mM, 120 mM NaCl) conditions. Shoot heights of plantlets cultured under salt conditions were lower than the control through the investigation. However, the shoot development of plantlets originated from in vitro meristems was almost at the same level as the control under 40 mM NaCl concentration.
    There was no significant difference in the in vitro biomass production between control and treatment with 40 mM NaCl concentration. We measured a significant decrease in dry-matter mass under 120 mM NaCl concentration. There is a need for more investigation of different genotypes and for a conclusion as to whether in vitro tolerance could occur under in vivo circumstances in plants originated from somaclones as well.
    Under in vitro conditions, we investigated shoot and leaf callus initiation using different culture media with different 2,4-D concentrations. Under dark conditions, callus induction of shoot/leaf decreased as the 2,4-D concentrations increased.
    In light conditions, there was a little callus induction, while callus initiation from the shoot from 5 μM to 12 μM 2,4-D concentration showed a significant increase

  • The Biology, Ecology and Medicine Faculty of Dnipropetrovsk National University after Oles’ Gonchar
    15-17
    Views:
    67

    The historical rewiev of Biology, Ecology and Medicine Faculty is presented. The Faculty of Biology, Ecology and Medicine has 7 Departments, Aquarium complex, Zoological Museum, Vivarium and Herbarium. It works in cooperation with the Research Institute of Biology, Botanical Garden, O. L. Bel’gard International Biosphere Station, and Biological Station of DNU and forms the regional Centre of Science, Education and Culture in the field of Biology, Ecology and Nature Conservation in Central Ukraine. The Faculty proposes courses in the following specialities: Biology, Zoology, Botany, Microbiology and Virology, Biochemistry, Physiology, Ecology, Environmental Protection and Balanced Nature Management. All of them have the highest IV level of accreditation. Students get a pedagogical education.

  • Development of a New Maize (Zea mays L.) Breeding Program
    25-30
    Views:
    91

    Genetic manipulation may not replace any conventional method in crop breeding programs, but it can be an important adjunct to them. Plant regeneration via tissue culture is becoming increasingly more common in monocots such as corn (Zea mays L.). In vitro culturability and regeneration ability of corn decreased as homozigosity increased, which suggested that these two attributes were controlled primarily by dominant gene action. Pollen (gametophytic) selection for resistance to aflatoxin in corn can greatly facilitate recurrent selection and screening of germplasm for resistance at a much less cost and shorter time than field testing. Integration of in vivo and in vitro techniques in maize breeding program has been developed to obtain desirable agronomic attributes, speed up the breeding process and enhance the genes responsible for them. The efficiency of anther and tissue cultures in most cereals such as maize and wheat have reached the stage where it can be used in breeding programs to some extent and many new cultivars produced by genetic manipulation have now reached the market.

  • The potential of biological control on invasive weed species
    73-75
    Views:
    41

    Sorghum halepense is one of the invasive species in Europe. This study was made to identify the morphology of fungi on invasive weed species samples on the roots of Sorghum halepense. The samples were collected in the region of Debrecen. The experiment was conducted under laboratory conditions to determine the microscopic form of fungi. The samples were put on PDA and for identification of fungi is based on the morphological characteristics of the features and colonies of conidia that were developed in Petri dishes.

    The examination of the culture revealed that the fungus from the root of Sorghum halepense was Aspergillus niger. Pathogenicity and the relationship between the fungus and Sorghum halepense are still uncertain so in the future pathogenicity tests and re-isolations from plants are very important steps.

  • Life in two countries but one home land – Béla Lipthay (1892-1974) the entomologist
    12-23
    Views:
    126

    Béla Lipthay lepidopterologist, entomologist, museologist, agriculturist, hussar lieutenant, life-saving Roman Catholic, descendant of the historical family Lipthay de Kisfalud et Lubelle did a long way from his home village Lovrin to Szécsény, the one-time land of his ancestors. His life coincided with the disintegration of the historical Hungary, and the most serious trials of the Hungarian society, culture and spirit. These changes affected him as a member of Hungarian aristocracy many times and in fact wanted to destroy him. The fortune of the ancestors have been swept away by the storms of the wars and confiscated but the human strength of character, the consciousness, the talent, the diligence, the sanctuary of faith have remained. All these made him possible to survive, to do his everyday hard creative work, which gained him affection and respect of the people living around him.

    Lipthay Béla was mainly lepidopterist and dealt with the the species of Hungary. Place of his collection was first his native country, the Banat, and the area of the Southern Carpatian Montain, and after 1944 Nógrád county (Szécsény, Balassagyarmat, Nógrádszakál, Ipolytarnóc, Rimóc, Ludányhalászi etc.). The collected species belonged to Macrolepidoptera but he dealt also with the moths. During his life time he prepared a collection of 60000 individuals and maintained them until his passing away. Great part of this collection can be found at the zoological cabinet of Natural History Museum in Budapest. He discovered many species new for the Hungarian fauna such as e.g. Cupido osiris (Meigen, 1829), and described a new species (Chamaesphecia sevenari Lipthay, 1961) which later proved to be a synonym of Chamaesphecia nigrifrons (Le Cerf, 1911). He knew well the most famous collectors and specialists of the age. After the first World War he worked together with Frigyes König, László Diószeghy, Jenő Teleki, Norman D. Riley (leading entomologist of the British Museum at London, secretary of the Royal Entomological Society), Brisbane C. S. Warren ( member of the Royal Entomological Society), Lionel W. Rothschild (the most important private collector) and many excellent lepidopterists. After the second World War he was well known and respected by the Hungarian entomologists and lepidopterists: he was a friend of Lajos Kovács, the distinguished lepidopterist and Zoltán Kaszab, the eminent entomologist. He had a good relationship with such renowned Hungarian zoologists and entomologists like Gyula Éhik, László Gozmány, László Issekutz, László Bezsilla and László Móczár. He colleted also Hymenoptera, Diptera and capricorn beetles to be found in Hungarian and foreign collections Natural History Museum, (London), a Szekler National Museum (Marosvásárhely). He dealt with agricultural entomology because he was an experienced agriculturist as far as he had the opportunity to do that. He painted wonderful agricultural entomology posters and organized expositions e.g. on the pests of industrial crops and hunting at Balassagyarmat and Salgótarján.

  • The effect of different herbicide on the number and activity of living microorganisms in soil
    76-82
    Views:
    119

    Sustainable plant growth, considering the difficulties of weed elimination, cannot be effective without the application of herbicides. However, these chemicals have enormous ecological implications, including effects on the microbiological communities of soils. It is advisable to use herbicides that have minimal secondary effects on the environment and soil-living microorganisms. In contrast, herbicides with prolonged growth stimulating or inhibiting effects are not suitable, because both types have strong influences on the number and activity of bacteria, thus causing changes in the ecological equilibrium.
    Preceding small plot experiments, laboratory tests were carried out to study the effect of herbicides used in maize cultures on the number of bacteria and growth of microscopic fungi.
    Substances that were observed to have stronger influences were applied in small plot experiments set up in the experimental garden of the Department of Plant Protection of the University of Debrecen. We studied the effects of four herbicides (Acenit A88EC, Frontier 900 EC, Merlin SC and Wing EC) on the microbiological properties of the soil. These herbicides were used in different concentrations in maize culture, and we investigated the effects in different soil layers.
    In the laboratory experiments, we determined the total number of bacteria and microscopic fungi and examined the growth of Aspergillus niger, Trichoderma sp. and Fusarium oxysporum on peptone-glucose agar containing herbicides.
    During the small plot experiments, soil samples were collected 3 times a year from 2-20 cm depth. The total numbers of bacteria and microscopic fungi were determined by plate dilution method, while the method of most probable number (Pochon method) was used to determine the numbers of nitrifying bacteria and cellulose decomposing bacteria. To evaluate the microbiological activity of the soil samples we measured carbon-dioxide release (after 10 days incubation), nitrate production (after 14 days incubation) and the concentration of C and N in the biomass.
    We can summarize our results as follows:
    • In laboratory experiments, herbicides caused a decrease in the number of bacteria and inhibited the growth of microscopic fungi.
    • Frontier 900 EC and Acenit A 880 EC had the strongest inhibiting effect on microorganisms.
    • In small plot experiments, herbicide treatment decreased the total number of bacteria and microscopic fungi.
    • Herbicides caused a significant increase in the number of nitrifying and cellulose decomposing bacteria.
    • Different herbicides containing the same active compound had similar influences on soil microoorganisms.
    • A significant increase was observed in the physiological processes of tolerant microorganisms surviving the effects of herbicides

  • Fusarium culmorum isolated from rhizosphere of wooly cupgrass (Eriochloa villosa) in Debrecen (East Hungary)
    93-96
    Views:
    147

    Wooly cupgrass (Eriochloa villosa) is an East-Asian originated weed species and it has been spreaded worldwide by now. The first occurrence of this species in Hungary was observed and published in 2008 nearby Gesztely village (Borsod-Abaúj-Zemplén county, North-East Hungary) than in the summer of 2011 a significant population was discovered next to Debrecen city (Hajdú-Bihar county, East Hungary).

    In 2013 this weed was also reported from Szentborbás village, Somogy county (South-West Hungary). These observations of spreading and its biological features (production of stolons and large number of seeds, moreover herbicide tolerance) indicate that wooly cupgrass (E. villosa) has a great potential of invasiveness, so it may become a hazardous weed not only in Hungary but in all over the world.

    The objective of this study was to identify the fungus which was isolated from wooly cupgrass (E. villosa) root residue samples which were collected after maize harvesting on arable land in late autumn, near Debrecen. The identification of the fungus based on morphological characters of colonies and the features of conidia developed on potato dextrose agar (PDA) plates. After the examination of axenic culture we revealed that the fungus from rhizosphere of wooly cupgrass was Fusarium culmorum. Pathogenicity and/or endophytic relationship between the fungus and wooly cupgrass is still uncertain so pathogenicity tests and reisolations from plants are in progress.

  • The Present and Future of Tokay Aszú
    87-92
    Views:
    82

    Tokay wine is Hungary’s noblest wine. Beyond doubt, it is one of those uniquely Hungarian products, which has been without rival for centuries. Today the role of quality has become increasingly important and consumers who are ready to pay more for quality wines expect it. This wine will be able to get back its original popularity if the message of its excellence reaches the public. Knowledge of historical wine-producing regions constitutes a part of basic education and wine-marketing could take important measures to spread it since good products need to be sold properly and consumers require information about wines – with gastronomy – and wine producing regions.
    With foreign invested capital, advantageous changes have been started in Tokay-Hegyalja. However, there is much still to do in order to produce, sell and consume Tokay wine on such conditions that are really worthy of a Hungaricum. It is essential to approach the famous oenologists of Europe and the world and to establish suitable production conditions for every winegrower. In addition to following consciously prepared wine-marketing directions, our country needs to make an expected name for this Hungaricum. These aims are important mainly because of approaching EU-accession. There is timely to study on what conditions Hungarian viticulture and oenology could access. It would be a great success of the Hungarian delegation if they could make current Hungarian laws of Tokay-wine-production accepted in the EU. Of course, all of these would be valid after EU-accession. During the pre-accession period, our country needs to fulfil several stipulations. For example, origin-protection, establishment of a registry system, law harmonisation, development of an institutional system.
    Strengthening of home consumption has always been an inspirational tool in a product’s life cycle. It is important not only to take the requirements of foreigners into consideration and to produce for export, but we also need to satisfy the home market. Considerable stress should be laid on establishing and preserving viticulture. Increasingly, buyers expect high standards and they are ready to pay more for quality wines. They also demand appropriate professional information and consultation. So there is a lot to do and theoretical approach should be followed by action. In order to get to know what quality expectations exist, we have to examine the consumers of the Hungarian wine-market. Study of the Hungarian people’s consumption behaviour, referring to Tokay „aszú”, was closely connected with my work.
    Participants of my study were consumers who buy Tokay „aszú” mainly in shopping centres, supermarkets and low-price shops specified for wine selling. Wine shops have important roles as they give opportunity for salespersons to make closer relationships with buyers. These shops could be communication channels of spreading wine culture. It would be favourable if in every town or city there were at least one wine shop giving the opportunity of consultation besides commercial activity and also providing services that support the improvement of wine culture’s position. The majority of questioned people spend less than 4.000 Forints on buying of Tokay „aszú” in a year. Results of the questionnaire survey support the fact that there is a demand for these wine-specialities, but lack of money strongly effects demand.
    The Following summarises the history of Tokay wine, tasks of Hungary and the expected effects relating to EU-accession. Regulation of oenology and the wine-market, referring to quality wines and main results of the survey are also overviewed in the text.

  • Setting up the operation of a Science Centre using process management tools
    47-55
    Views:
    125

    Nowadays, Science Centres, which have a very long tradition in Europe, are continuously spreading in Hungary. These institutions primarily aim at raising public awareness of science in young people via informal learning (hands-on, minds-on etc.) methods. Based on this phenomenon, the construction of Scientific Adventure Park has been started in the Debrecen Botanical Garden. In addition, the Municipality of Debrecen established a new organization who will be responsible the reaching the defined goals and sustainability of Debrecen Science Centre according to the Application Form. Therefore, it will be designed a new institution with characteristics of Science Centre and provide innovative and complex services in the segments of culture and education. In this paper, I'm searching for answers to the question if based on this process-oriented method and  management approach; it is possible to design operation system capable of achieving the strategic goals mentioned above.

  • Effects of some herbicides on the microbiological characteristics of soil nitrogen cycle under maize plantation
    93-100
    Views:
    71

    Nitrogen is a key element for the living organisms and influence not only for the quantity but for the quality of the yield, considerable. Availability of nitrogen from the soil is influenced by several microbiological processes of the Nitrogen-cycle. Among the intensive agricultural production the herbicide application cannot be omitted more information needs therefore about the inhibitor effect of herbicides on the different microorganisms.
    An experiment was set up on calcareous chernozem soil under maize culture. Effect of four different herbicides (Acenit, Frontier, Merlin, and Wing) was investigated. The effect of herbicides was measured to four microbiological parameters of the Nitrogencycle (abundance of nitrifying bacteria, nitrate solubilisation, biomass nitrogen and urease enzyme activity). There were singledouble-  and five times of recommended doses of herbicides applied for two onsecutive vegetation periods.
    From the results of the different doses of herbicides, the following can be stated:
    – The Acenit has a stimulating effect on nitrifying bacteria in general. The Frontier and Merlin also influenced the quantity of nitrifyers, however in certain cases decreased in another cases increased the number of bacteria.
    – The double doses and five times doses of herbicides was found to be increasing the nitrate content of soil, -especially in 2006.
    – The quantity of microbial biomass nitrogen increased in the 60% of treatments and decreased in the 40% of the treatments.
    – Except of the result of Wing in 2006 and Merlin in 2005, the effect of simple dose herbicides was the smallest on the urease enzyme activity. According to the results the effect of Merlin was positive; the effect of Wing was negative on the soil enzyme’s activity.
    Regarding the application of four different herbicides in three  different doses on the microbiological parameters of soil (at two consecutive years-) in 39% of the treatments has resulted a significant inhibitory effect, 28% of the treatments, however have significant stimulating effect on the parameters measured. More than 50% of the inhibitory effect was measured in case of the Wing, at more than 50% of the Frontier the microbiological parameters have not changed.