The strategy of creating highly productive forms of radish, adapted for cultivation under artificial light conditions

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Abstract

The strategy of creating new radish forms adapted for cultivation under artificial lighting was developed and implemented. It was based on the original methodology of obtaining transgressive forms of various cultures with a predictable complex of economically valuable properties. Plants were grown in controlled conditions, under incandescent lamps DNAZ-400 (12 hours photoperiod, irradiation of 40-60 W/m2 PAR), in a small volume of the root medium. At the first stage, the intraspecific diversity of radish (26 varieties of different origin) under artificial lighting has been studied. Differences between varieties were determined for the complex of selective-valuable characteristics (early maturity, productivity, morphological characteristics). The most productive varieties are revealed, as well as varieties donors of economically valuable properties that are realized under artificial lighting at a short day and high temperature. Parent pairs have been selected for the subsequent receipt of highly productive transgressive forms using the original breeding methodology. The evaluation of hybrids of the first and second generation showed the presence of heterosis on the mass of the root up to 230% in various combinations of hybridization and revealed promising transgressive forms.

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About the authors

A. A. Kochetov

Agrophysical Research Institute

Author for correspondence.
Email: kochetoval@yandex.ru

кандидат биологических наук

Russian Federation, 14, Grazhdansky, Saint Petersburg, 195220

N. G. Sinyavina

Agrophysical Research Institute

Email: kochetoval@yandex.ru

кандидат биологических наук

Russian Federation, 14, Grazhdansky, Saint Petersburg, 195220

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