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The paper introduces the data on the experimental study results conducted by the authors in terms of daikon cultivation on root crops and seeds. As a result, the data were obtained targeted at the development of locally adapted technologies to root crops production and a direct technology towards daikon cultivating on seeds in the conditions of Eastern Ciscaucasia. The research is carried out within the project No. 0741-2015-0009 “Improvement of vegetable-seed industry in the Chechen Republic’. The object of the research is daikon cultivar within the selection done by All-Russian Research Institute for Plant Breeding and Seed-Growing: [Sasha, Dubinushka and Moscow Bogatyr]. The yield of commercial daikon root crops is greatly influenced by cultivar, seeding time and plant layout in experimental plots (Table 1). The best option towards yield of sale-root crops of ‘Sasha’ cultivars during summer seeding in the foothill zone of the Chechen Republic was the seeding done on July 31 according to 35×10 cm scheme. In this variant, the highest yield (in terms of hectares) for this cultivar was obtained – 26 t/ha. Cultivar ‘Dubinushka’ gave the best yield at seeding that was done on July 17 with a 70x10 cm scheme. In this variant, the yield of marketable root crops was 55 t/ha. ‘Moscow Bogatyr’ cultivar showed within the experiment the highest yield at seeding on 3 of July according to the 70×10 cm scheme. The yield was 75 t/ha. The yield of mature seeds of daikon is affected much by the time of seeding, the plants' layout on the plots within the experiment and cultivar characteristics (Table 2). The time of ripening and harvesting, as well as, the ratio on overwintered plants depend directly on the cultivar characteristics and the seeding time. The optimal date to seed daikon cultivar ‘Sasha’ for to get seeds for the foothill zone of the Chechen Republic with the direct mode of cultivation was 20.08. The best seeding scheme for this cultivar is 45×10 cm. Seed productivity in this variant was 70 g/m2. Cultivar ‘Dubinushka’ gave the best seed yield when being seeded on August 10 with the direct method of cultivation based on a seeding scheme of 70×10 cm. The yield of seeds in this variant was 95 g/m2. Cultivar ‘Moscow Bogatyr’ seeded by the direct method of cultivation showed in our experimental study the highest seed yield at seeding 1.08 according to a 70×10 cm scheme. The yield per 1 hectare was 9.8 c/ha. The results of the experiment will make it possible to develop the technology for growing daikon for seeds and marketable products in the conditions typical to the territory under study.

Root Crops and Daikon Seeds Yield in Relation to Sowing Time, Methods of Cultivation and Cultivar Features in Conditions of the North-Eastern Caucasus