Comparative analysis of clones of the merlot wine variety grown in the mereni wine region from Republic of Moldova

Abstract

The purpose of the work is to highlight the best clones in the terroir conditions of the Mereni wine-growing plain to obtain the red and rosé wines Protected Geographical Indication and Controlled Designation of Origin. The clones included in the research are cultivated under the same agroecological conditions, the vines conducted by the bilateral horizontal cord, the planting scheme is 2.75×1.5 m. The quantity of grapes harvested for analysis is determined so that grapes are harvested from all marked vines. The vineyard is located on the land with the exposure of the southern and south-western slopes and the inclination of the slope, 3o -5 o - 15.71 ha and 5o -8 o - 3.20 ha. Altitude from 90 m to 120 m above sea level. The climate of the Mereni microregion is characterized by warm temperatures. The average annual temperature in the given region is 9.7ºC, the positive temperatures are maintained for approximately 9 months, the average temperature of the hottest month - July is +23°C, and the coldest month - January +3°C.