Abstract
The present article attempts to describe how the effects of climate conditions affect the evolution of the grapevine phenological period in 2022. The cultivars used were Selena, Blasius, Rubin, Radames and two clones obtained approved in SCDVV Blaj: Sauvignon blanc 9Bl and Fetească albă 29 Bl. The experiment was carried out at SCDVV Blaj and included field observations, monitoring weather conditions such as temperature and precipitation. For the onset of the phenological phases: budding, flowering, veraison (colour change of grape berries) and ripening-maturation. The phenological phases of the grapevines were monitored for a growing season according to the protocol established, taking into account the BBCH grade. Temperature and precipitation are the two main climatic factors that affect the growth and development of the grapevines. Due to existing thermal conditions and continued global warming, the Târnave vineyard region is a recommended place for white grape cultivation.
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