Physiological aspects of grapevines cv. Carmem under organic and biodynamic management

Grapevines cv. BRS Carmem (Vitis vinifera X V. labrusca) were managed in organic or biodynamic system and compared for the following photosynthetic parameters: CO2 assimilation, Rubisco efficiency, intracellular CO2 concentration, water use efficiency, Transpiration, and Stomatal conductance throughout a day (9, 12 and 17 h) 15 months after planting.

Composition and extractability of grape anthocyanin glucosides under different environmental conditions: terroir and vintage effects

Two terroirs of the Eger Wine District (a steep-sloped and a flat vineyard) were examined in two years in order to describe the changes in the concentration and composition of berry skin/wine anthocyanins of the Kékfrankos variety at different harvest dates and to examine a possible relationship between the extractability of anthocyanin glucosides and terroir/vintage characteristics.