Published in Scientific Papers. Series B, Horticulture, Volume LXII
Written by Denitsa SERBEZOVA
The article presents an overview of the formation systems that have been imposed in the plum production in Bulgaria. Crowns and pruning systems are directly related to the intended use of the fruit production, the planting density, the degree of mechanization of the planting processes and harvesting. For fresh consumption (manual harvesting), at stem height 50 -60 cm and planting distances are 5.0-5.5 m between the rows and 4.0 - 4.5 m in the rows, the trees are formed as oblique palmette trees or fruit hedge (free palmette). For fruit processing such as dried, marmalade, mousse, juice etc., mechanized harvesting requires stem height 90 - 100 cm at planting distances 6.5-7.0 m between the rows and 4.5-5.0 m in the rows, trees are formed as modified central leader, semi-flat free crown and applying contour pruning. For brandy and fruit spirit - the peculiarities of formation and pruning are described.
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