Prospects for the use of a multi-tier narrow-stack installation in the selection of European radish
2021
S. M. Sirota | E. V. Pinchuk | E. G. Kozar | L. V. Bespalko | V. A. Stepanov
Relevance. Growing European radishes in protected soil on hydroponics provides year-round fresh vitamin production. For the autumn-winter turnover shade-tolerant varieties with a short growing season are necessary. For the spring-summer turnover, the resistance of the variety to high temperatures and premature stem formation is of particular importance. Selection of targeted radish varieties is an energy-consuming process, which can be optimized by using an open-type multi-tier narrow-stack hydroponics installation with a different combination of limiting factors for tiers (light, heat).Methods and results. In Federal Scientific Vegetable Center radish varieties were tested in different conditions. The informativeness of the tiers on the installation as backgrounds for selection for adaptability and specificity is determined. It was found that the assessment and selection of productivity and large-fruited is effectively carried out on 1-2 tiers; for resistance to premature stem formation – on 1 tier; for shade tolerance, early ripening, with a stable manifestation of the marketable mass of the root crop – on 4-5 tiers. Radish varieties were selected as the starting material for the suitability for hydroponic cultivation of intensive type and highly adaptive. The uniqueness of the use of a multi-level narrow column hydroponics for the purpose of radish breeding is shown.
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