Abstract
Over time at Research and Development Stationfor Viticulture and Oenology Odobeşti, numerous intra- and interspecific sexual hybridizations have been carried out, in order to obtain new cultivars, with high productive and qualitative potential, with disease tolerances, resistant to stress factors, very well adapted to the climatic conditions specific to Vrancea vineyards.Thus, valuable hybrid elites were obtained, which represent a permanent source for the selection, approval and promotion of new grape cultivars. In order to evaluate the agrobiological and technological potential of some valuable hybrid elites, in the period 2016 - 2018, two elites were studied: ‘E.H. 10-1-6’ and ‘E.H. 6-1-1’. The results obtained from this study showed that these hybrid elites have a high productive and qualitative potential, show high biological resistance to the main diseases of the vine, and can be proposed for approval in order to improve the national assortment, in the context of sustainable viticulture.
Highlights
The productivity, quality and adaptability of vine cultivars are very complex characteristics that depend on the genetic traits of each cultivar, environmental conditions and the interaction between genotype and environment (Sestraș, 2004)
Research conducted in recent decades in our country, has led to the production of valuable vine genotypes, with high tolerance to disease, drought and frost resistant.The scientific activity of vine improvement was and remains a strategic objective of tradition and continuity at Research and Development Stationfor Viticulture and Oenology Odobeşti (Bosoi et al, 2017, 2018; Puşcalău et al, 2018)
The research was performed at the Research and Development Stationfor Viticulture and Oenology (RDSVO) Odobeşti, between 2016 and 2018
Summary
The productivity, quality and adaptability of vine cultivars are very complex characteristics that depend on the genetic traits (inherited genotype or genetic dowry) of each cultivar, environmental conditions and the interaction between genotype and environment (Sestraș, 2004). Research conducted in recent decades in our country, has led to the production of valuable vine genotypes, with high tolerance to disease, drought and frost resistant.The scientific activity of vine improvement was and remains a strategic objective of tradition and continuity at Research and Development Stationfor Viticulture and Oenology Odobeşti (Bosoi et al, 2017, 2018; Puşcalău et al, 2018). In this context, in the last six years, four grape cultivars have been approved, with different production directions: a cultivar for table grapes ‘Putna’(2014), a cultivar for superior white wines ‘Vrancea’(2018), a cultivar for tinctorial red wines ‘Măgura’(2014) and a cultivar for red and rose wines with genetic resistance ‘Remus’ (2016)
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