The ‘Valjevka’ Plum Cultivar: Key Performance in the Growing Conditions of Troyan Region | The ‘Valjevka’ Plum Cultivar
2024
Stefanova, Boryana | Popski, Georgi | Leposavić, Aleksandar | Minkov, Petko
The study targeted to assess major phenological and agronomic traits such as flowering and fruit ripening time, as well as the yield and main characteristics of the fruit from three plum cultivars: ‘Valjevka’, ‘Kystendilska’ and ‘Stanley’. The research was conducted at the experimental plum plantation at the Research Institute of Mountain Stockbreeding and Agriculture in Troyan over 2019–2022. This study aimed to compare the ‘Valjevka’ with the two cultivars mentioned above, which are widely used in plum production in Bulgaria. Among the cultivars studied, ‘Valjevka’ showed the earliest and ‘Kystendilska’ the latest flowering and ripening times. Cultivar ‘Stanley’ was characterized by the highest values of yield, fruit morphological and fruit chemical properties, while ‘Valjevka’ surpassed ‘Kystendilska’ in terms of the values of the mentioned properties. The variations in the onset of the flowering phenophase were more pronounced between the individual experimental years than between the cultivars. Additionally, the yield and morphometric characteristics of the fruit varied significantly within the same cultivar, depending on the growing conditions of each experimental year. Based on the obtained results, the cultivar ‘Valjevka’ can be recommended for commercial growing in the Troyan region.
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