Ecological testing of varieties beetroot selection of FSBSI FSVC

Relevance. The value of table beetroot as an indispensable vegetable crop in a rational human diet is beyond doubt. It is possible to fill the shortage of production of this crop in the Russian Federation by increasing yields, which is facilitated by a number of factors. It is believed that the yield depends more on the variety, but the role of the medium in identifying varietal characteristics is also of great importance. In this regard, the varieties and hybrids recommended for production, along with high potential productivity, should be characterized by a wide range of adaptive properties (environmental resistance) to the stressful effects of environmental conditions. One of the effective methods to determine the adaptability of varieties to the conditions of a particular region is their simultaneous assessment in a number of geographically remote locations, which allows expanding the range of their use.

Materials and methods. Research work on the environmental testing of six varieties of beetroot was carried out in 2020 according to generally accepted methods on the basis of the branches of the FSBSI Federal Scientific Vegetable Center. As a standard, the Bordo 237 variety was used - recommended for cultivation in all regions of the Russian Federation. Ecological assessment of the environment as a background for selection and assessment of the adaptive ability of varieties was carried out according to the methodology of A.V. Kilchevsky and L.V. Khotyleva.

Results. According to the totality of all parameters, the most adaptive for cultivation in different regions of the Russian Federation, according to the combination of yield and marketability, it is possible to recommend the varieties of beetroot Karina and Bordo 237; according to the mass of commercial root crops - Karina and Gazpadynya. The varieties characterized by the greatest responsiveness to the improvement of growing conditions were: Lyubava, Gaspadynya, Dobrynya. The most informative background for identifying the potential productivity of varieties is the environment on the Biryuchekutsk station, on the ecological stability of the complex of signs – the Voronezh station. The most typical environments for growing beets on the grounds of "yield" and "marketability" are the conditions of Biryuchekutsk station, by weight of commercial root crop – Voronezh station.

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