摘要：Knowing the wine-growing bio-systems and the exact determining of the ecological relations between grapevine types and the environment have a special importance with the view to the scientific organizing of the high quality vini-viticultural production, to the choosing the maximum favorability biotopes for a sustainable, qualitative viticulture. Expanding the wine-growing crops, respectively, introducing new varieties in a certain area involves the evaluation of the ecological favorability of the area intended for this purpose. Thus, optimum and restrictive factors can be highlighted, a certain production direction for the investigated wine-growing centre can be imprinted, or those varieties best adapted to the existent environmental conditions can be chosen. The confrontation between the Romanian wine-growing and the international or European market imposes the choosing and promoting in production of the most valuable varieties based on comparative studies (old and new ones) for each vineyard and wine-growing centre at turns. The Romanian wine-growing will be competitive on the market if it diversifies the grapes varieties function on the usage destination, on the valuable native varieties along with the international ones, as well as promoting in culture the existent qualitative varieties and the valuable ones that are to be obtained.(1) The comparative study had into view the determining of the following indicators of the respective variety in the two areas: the potential of real fructification (fertility coefficients: absolute and relative), the productivity potential of the variety (productivity parameters: absolute and relative), qualitative potential (grapes weight, must content in sugars and acidity).
