Climatic Risk Factors of Central Hungarian Grape Growing Regions

Abstract

Abstract. Under global climate change we mean the observed increasing tendency of the yearly mean temperature together with the more and more frequently occurring extreme events (floods, frosts, droughts, heat waves). The border of the sites suitable for grapevine growing and the growing regions are defined mainly by climatic conditions. Quality wine production can be maintained between the isothermals of 10-16°C yearly mean temperature. Though Hungary is expected to remain amongst the regions with good quality grapevine growing conditions, according even to the most pessimistic forecasts, the expected frequency and the impact of extreme climatic events are rather serious warning signs. Continental climatic conditions in Carpathian basin can generate stress effects which can cause negative economic consequences through quality and quantity unsuitability. In this study some impactful climatic indicators are analysed which are of high importance in grapevine production. Historic data are compared with regional climate model predictions of RegCM 3.1 with A1B scenario, concerning to the Central Hungarian grape growing regions.

The analysis of climatic indicators using different growing season calculation methods – an application to grapevine grown in Hungary

“…(For more details about these indicators, see Seljaninov, 1928;Amerine and Winkler, 1944;Davitaja, 1959;Winkler et al, 1974;Huglin, 1978;Oláh, 1979;Dunkel and Kozma, 1981;Riou, 1994;Kozma, 2002;Szenteleki et al, 2012. ) For each grid point g, the averages of over all k are calculated.…”

“…The comparison of vine growing regions worldwide can be done by analyzing the climate indicators based on observed meteorological data (Bois et al, 2012;Jones et al, 2009). These indicators can also be calculated using climate model simulation outputs for the 21st century (Hlaszny, 2012;Moriondo et al, 2013;Neumann and Matzarakis, 2011;Szenteleki et al, 2012). These results predict the changes in risk factors (e.g., long dry period and extreme heat), thus they can help farmers make long term decisions about the selection of favorable grapevine cultivars.…”

Phenology and grape ripening characteristics of cv Tempranillo within the Ribera del Duero designation of origin (Spain): Influence of soil and plot characteristics

“…Climate arguably has the greatest influence on the suitability of the environment for grapevine growth and quality wine production (Hidalgo, 1999). The effect of climate, and in particular the effect of temperature on grape growth and composition, has been widely evaluated in different wine-producing regions worldwide and considered critical to characterise both wines and wine-producing regions (Bindi et al, 1996;Jones et al, 2005;Hall and Jones 2010;Szenteleki et al, 2011;Xu et al, 2012;Back et al, 2013;Webb et al, 2013;Bonada et al, 2015, among others). Climate affects almost all variables of grape composition, as well as the speed by which grapes ripen.…”

VvBAP1, a Grape C2 Domain Protein, Plays a Positive Regulatory Role Under Heat Stress

“…In recent years, China has the most productive and second most widely cultivated area of grapevine worldwide. However, the fruit yield and quality of grapevine are often highly influenced by extreme climatic conditions, especially heat stress (Szenteleki et al, 2012). In many main centers of origin for grapevine, the daily maximum temperature can often surpass 40°C, even beyond 45°C, which has seriously limited the development of the grapevine economic industry (Salazar-Parra et al, 2010;Pillet et al, 2012).…”