Abstract
A brief review of the efficiency of cultivation of perennial ryegrass in the areas of steppe and forest-steppe zones is given. The necessity of breeding varieties of perennial ryegrass adapted for use in the conditions of the Central Black Earth region is shown. A brief characteristic of the variety of ryegrass perennial Voronezhskiy (selection of Voronezh Experimental Station for perennial grasses) is presented. The variety is included in the state register in all regions of the Russian Federation. It is characterized by high winter hardiness, drought resistance, longevity. Recommended for sowing as part of grass mixtures when creating hayfields and pastures on various soil types (except sandy), including when reclaiming de-graded land, as well as creating cultivated irrigated pastures in the steppe zone and as part of grass mix-tures when creating meadow-type lawns. The main technological parameters of cultivating the variety for seeds are included, including optimal sowing time and seeding rates, a rational system of fertilizers, the use of herbicides, harvesting, autumn cutting of grass stands, sorting features that allow maintaining tetraploid level of sorting population during reproduction.
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