Secondary technical operations used to form the crown of the trees in the cherry orchards on Gisela 6 in the first years after planting

Abstract

The study was carried out in the spring of 2020 in the north of the country, variety Grace Star grafted on the rootstock Gisela 6, thin spindle crown shape. Planting distance 4.2x1.8 m. In spring 2021 was organized with the following gradation: 1. Trees trained after the thin spindle crown (control); 2. Solitary incision above the buds and processing the cut with water; 3. Solitary incision above the buds and treatment of the cut with growth regulator Progerbalin LG; 4. Circular incision at 25-30 cm distance on the axis with processing of the cut with Progerbalin LG growth regulator; 5. Extirpation removal of 4-5 axillary buds from top to bottom of the leader while keeping a bud intact. It was established that, to increase the branching potential of the tree axis when training intervened with solitary incisions above the buds and circular incisions at a distance of 25-30 cm on the axis with the processing of the cut with the growth regulator Progerbalin LG in the ratio one part of product to 8-10 parts of latex paint.