Research concerning the behavior of table grape cultivars grown on the sandy soils of Southern Oltenia
DOI:
https://doi.org/10.51258/RJH.2022.20Keywords:
table grape cultivars, phenological stages, fruit productivity, climatic conditions.Abstract
The current study aimed to describe the performance of five table grape cvs. recently introduced in the agro-environmental conditions of southern Oltenia. These cultivars were: ‘Napoca’, ’Otilia’, ‘Prima Cl. 1022’, ‘Perla de Zala’ and ‘Moldova’, belonging to the ampelographic collection of the Dabuleni Research-Development Station for Plant Culture on Sands. ‘Victoria’ cv., was taken as a control because it is the most widespread table grape cultivar in the area where the study was carried out. The phenological stages, the resistance to spring frost, the fruit quality and the productivity of these cultivars were studied during the period 2018-2021. Phenological observations were made regarding the beginning of bud burst (07 BBCH), the beginning of ripening (81 BBCH) and berries ripe for harvest (89 BBCH). In the studied areal, the complete bud burst phenophase (07 BBCH) occurred 2 days before ‘Victoria’ cv. in the case of ‘Napoca’ and ‘Otilia’ cvs. (on April 9) and two days after ‘Victoria’ cv. in the case of ‘Moldova’cv. (on April 18). ‘Prima Cl. 1022’ cv., although it was not the first cultivar in which the beginning of bud burst phenophase was noted, it was the first in which the beginning of ripening phenophase was noted, respectively in the period 2-10 July. ‘Moldova’ cv. registered the latest beginning of ripening, between July 23-29. The berries ripe for harvest occurred, the earliest, in the case of ‘Prima Cl. 1022’ cv., between July 25-28 and the latest in case of ‘Moldova’ cv., between September 22 and October 19.
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