Perspective of cultivation of grafted plum varieties on Mirobolan 29C in the southern area of the country

Abstract

The researches were carried out in a plum plantation during 2021 established in 2015 in the southern part of the country, SRL „Agroparc Management”. In the research, the Stanley (control), Top Star, Blue Free, President and Tophit varieties were grafted on the Mirobalan 29C rootstock, and the Stanley and President varieties on the corcodus biotype. The planting distance of the trees between the rows is 5.0 m, and between the trees in a row 3.0 m.

A smaller number of fruit formations were formed by the President variety - 605 pcs/tree, and the largest by the Tophit variety - 915 pcs/tree. To the group of medium varieties, weighing between 30-40 g, the Stanley variety is assigned, whose average weight was 39.7 g. The Top Star variety (41.3 g) is assigned to the group of those with large fruits, whose weight fall within the values of 40-50 g. The varieties with very large fruits include Blue Free (51.2 g), President (51.3 g) and Tophit (62.2 g), whose average fruit weight was greater than 50 g.