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International competitive analysis of wine producer small and midsize companies on enterprise resource management
Published May 20, 2009
23-25.

In our research using primary data sources we are searching for satisfactory evidences, that the impressive economical growth of China has a strong impact on Chinese grape and wine production, wine market. However grape cultivation has long tradition in China, modem grape wine and wine production has only started 20 years ago. During my researc...h I have collected the very rare and unreliable information on this theme to make a picture of Chinese grape and wine production. Using primary sources describe the present situation of Chinese grape industry, verify the supposition that the rise of Chinese grape crop land includes the growth of the total size of wine grape plantations. After this verification I make a comparative analysis of Chinese and Hungarian grape cultivation costs, to confirm, that grape and wine producing is a more requital activity in China than in Hungary.

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International comparative analysis for enterprise resource management on the developing wine market of China
Published May 20, 2009
27-30.

However grape cultivation has long tradition in China, modem grape wine and wine production has only started 10 years ago, parallel with the Chinese economic boom, in 1998. The rise of the social welfare caused a higher demand for luxury products, wine drinking came more popular, since on the one hand it is representing the standard of western ...style living for the higher society class, on the other hand Chinese people can live a more healthy life and spend money on wine drinking, instead of drinking traditional spirits. This tendency opened a wide market for Chinese and international grape producers and winemakers. During our research we have collected the rare, available market information on the Chinese wine market. With the use of this statistical data we will analyse the collected information and rough out the future trends and opportunities and threads for trade companies on the emerging wine market.

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Climate change impacts and product lines
Published January 3, 2010
79-83.

This paper summarizes the main effects of extreme weather events on agricultural production and demonstrates their economic consequences. For cost-benefit analysis of economic impacts and for determination of risk levels simulation models are needed that contains the relationship between product line levels and elements. WIN-SIM model is develo...ped for this goal, specialized for wine production. The model is suitable to analyze the market share, the cost and income relations as well as the relation structure of the product lines. The four levels of the model (site, vine growing, wine production and wine market levels) have individual values added from the aspect of end product, where the product line sets out from the site level and gets through the levels up to the consumer segments. Theoretically, all elements can be connected to any element of the next level and sublevel, but there are “prohibited contacts” because of professional, regulation or production practice reasons.

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Historical background and constraints of a grapevine germplasm foundation in Hajdú-Bihar county, Eastern Hungary
Published June 10, 2018
11-17.

The historical background of Debrecen linked to viticulture and wine-making stands mainly on the lack of drinkable water, the necessity of drinkable liquid during wartime and epidemics. The special character of the city evolved together with the changing lives of citizens and the increasing trade importance of the city. Period of Turkish occupa...tion gave impetus to the formation of the 11 vine gardens of the settlement. After the devastation of rootmite and peronospora ‘Kadarica’ and ‘Nagy burgundy’ (‘Blaufrankish’), in smaller proportion - on lower sites – ‘Cabernet’ were planted. As white varieties ‘Ezerjó’, ‘Olasz Rizling’, ‘Kövidinka’, ‘white Mustos’, in smaller proportion ‘Szlankamenka’, ‘Erdei’, ‘Szilvaner’, ‘Mézesfehér’, ‘Bakar’, ‘Veltelini’ (red), ‘Fehér burgundi’ (? white burdunder), ‘Rajnai rizling’, ‘Red Tramini’, ‘Furmint’, ‘Muscat Lunel’, ‘Járdovány’ and ‘Juh-fark’ were planted. After the Trianon treaty in 1920, 2/3rd of Hungary was cut away. Érmellék wine region was also cut in two, thus Debrecen broke away from its wine region. Legal regulations after the World War II. (1959) referred back to variety application advised in 1924 for “place suitable for good wine production, not included in any wine region”, like Debrecen listing ’Ezerjó’, ’Mézesfehér’, ’Olaszrizling’, ’Bánáti rizling’, ’Furmint’, ’Hárslevelű’, ’Kövidinka’, Kecskemét virága’, ’Piros szlankamenka’,’Pozsonyi fehér’; ’Kadarka’, ’Oportó’ and ’Kékfrankos’ (Blaufrankish). The political changes of 1990 and Hungary’s admission to the Eurepoean Union almost annihilated the wine production of Debrecen. However little gardens conserved historic varieties which could date back even to many centuries. Through a local magazine a collecting work was announced pointing to gather ancient local (Vitis vinifera conv. pontica) varieties forming a genebank, established on the experimental station of the University of Debrecen. In 2014, about 112 items were collected (accessions). As a 2nd round of the work, with a more detailed and precise work, further 81 items were put into the reservatum. The latter represent single stuck collection, whereas the first ones are to be studied az mixed items. Most notable accession names (ACENAME) of the work are: ‘Fehér gohér’, ‘Veres gohér’, ‘Fekete gohér’, ‘Kék gohér’, ‘Erdei’, ‘Ezerjó’, ‘Kűbeli’, ‘Rizling’, ‘Mézes fehér’, ‘Dinka’, ‘Madling’, ‘Bakator’ and ‘Kadarka’. Simulteneously with the strenghening and morphological description of conserved stucks genetic identification of the items is being elaborated. Database comprising FAO/IPGRI multi-crop passport descriptors and OIV Primary descriptor priority list are to be published on-line in between the development of the platform.

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Conventional PCR primers for the detection of grapevine pathogens disseminated by propagating material
Published September 7, 2014
69-80.

Polymerase chain reaction driven by sequence specific primers has become the most widely used diagnostic method to detect and identify plant pathogens. The sensitive and cost-effective pathogen detection is exceptionally important in the production of propagating material. In this paper we have collected primer sequence data from the literature... for the detection of the most important grapevine pathogens disseminated by propagating stocks by conventional polymerase chain reaction. Basic protocols to obtain template nucleic acids have also been briefly rewieved.

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Perspectives and tasks in horticultural production
Published April 15, 2002
11-22.

The work summarizes the prospective conceptions of all the five horticultural branches. These branches (vegetable, fruit, grape and wine, herb and ornamental plant production) with the production of propagating material together amount to round 30-35% of the total value of the entire plant production. The performance of horticultural branches d...eclined significantly because of privatisation and lack of capital. The accession to the EU urges the development of modernization and competitiveness, therefore the state subsidies are indispensable.

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Production data of wine grape gene bank (Vitis spp.) of University of Debrecen, east Hungary
Published December 19, 2019
32-36.

National wine strategy of Hungary promotes the use of “flexible” grape cultivars. These enable producers’ best fit to wine market changes and expectations. This study is aimed to present data on the gene bank of the University of Debrecen, Hungary. Data were collected at a single site, between 2010 and 2018 in east Hungary lowland on acid...ic sandy soil, own rooted planting material. Our results showed that besides high yield and adequate cane production desired sugar content at convenient pH is to be awaited with moderate deviation between vintages. Presented concept demonstrate technological flexibility of cultivars by their average deviation from regression equation between increasing sugar and pH typical for the vintage composed of data of cultivars of the gene bank. Average positive deviation means higher sugar content at specific pH, thus higher sugar content at desired, conveniently low pH (3.0-3.2 pH).

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Improvement of the grapevine variety ‘Kadarka’ by the selection of new clones
Published March 3, 2013
57-63.

Red wine culture in Hungary was developed due to the grapevine variety ‘Kadarka’, originated from the Balkans, from the 16th and 17th centuries. ‘Kadarka’ was the first grapevine variety cultivated on the largest area in Hungary until the 1950’s, but its production area has been reduced significantly in the past decades. In the period... of Hungarian grapevine reconstruction (from the 1960’s), the selection of the grapevine varieties and clones was determined by the system of cultivation (large growing space, large load and mechanized technology) that was based on the aspects of quantity. It did not promote the majority of the autochton and regional grapevine varieties to remain competitive. ‘Kadarka’ is a grapevine variety having an extraordinary variability in forms; however, a considerable part of its old stocks has disappeared. Nowadays, only two of its high yield clones are cultivated. ‘Kadarka’ becomes more differentiated from other, red wine producing, grapevine varieties, more preferred and newly requested by the fine aroma, spice, unique harmony of its wine less rich in tannin. The new market and environmental challenges in the field of wine production necessitate the preservation and improvement of the biological basis. In 2001 the Institute of Viticulture and Enology Pécs analyzed an old stock having a variability in forms in order to preserve the development and variability of the biological basis of ‘Kadarka’. Clones of great biological value were selected from it, with which the quality and yield security of ‘Kadarka’ can be increased. In 2010 and in 2012, six clones were submitted for state approval.

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Quality improvement in viticulture and winery
Published April 18, 2000
55-62.

The author determines the development of the grape and wine production branches as a very cogent common task. Because of its importance this sector enables the livelihood of 100-150 thousand families and also of $ 80-100 million export income. A state subsidy is indispensable to the realization of that project. In the author's opinion on round ...100 000 ha plantation area yearly 4-4.5 million hl wine can be produced, therefrom the export may amount to 1-1.3 million hl.

Yearly 3000 ha vineyards should be planted in order to maintain the present production capacity.

 

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Investigation of the Relationship between the SO2 Production of Different Yeast Strains and Thiamine Concentration
Published September 11, 2001
57-62.

Our general conclusion was that the thiamine amounts of 0,6 and 3,0 mg/1 added prior to wine fermentation, resulted in higher free-S02 level in comparison to the control. Furthermore, among the yeast strains examined in our experiments, Uvaferm BC strain produced the highest free-S02 content under the conditions mentioned ...before. As regards the dynamics of reductone and SO, production, the concentration of the previous one was practically identical in the middle and at the end of the fermentation while the SO2 content — both free- and total — was lower at the end. Thiamine addition did not cause any difference in the organoleptic properties of wines as proved by sensory analysis.

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Change of Thiamine concentration and amino acid composition during sparkling wine base Production
Published March 21, 2001
62-66.

It has been established, that thiamin content added in 3 mg/I concentration to musts before fermentation resulted in the enhanced storability of sparkling wine base at lower SO2 levels. Fermentation rate is not increased by this concentration and it causes no "thiamine taste" in organoleptic evaluation.

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Feasibility of investments in Hungarian grapewine sector
Published March 19, 2007
37-42.

Investments in the vine growing-wine making sector can be characterised by a high level of' risk, and an important role of time, because there is a considerable time gap between the decision on investment and its consequences, whereas the ecological and economical factors should be considered as stochastic variables. Based on a real—life, typ...ical vine—plantation project, the article analyses the profitability of vine growing-wine making sector as a function of different ecological and economical conditions depending on the added value content of products. Results of the investigations highlight: (1) the importance of subsidy for establishment of vine plantations: (2) the considerable influence of yields on rate of return of investment; (3) the role of increasing of added value content of products. Importance of the utilisation of alternative channels of distribution and the formation of producers' cooperatives are underlined, being based on calculation of return of investment.

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