Russian Federation
FGBNU Federal'nyy nauchnyy centr ovoschevodstva (starshiy nauchnyy sotrudnik)
Russian Federation
Russian Federation
Federal'noe gosudarstvennoe byudzhetnoe nauchnoe uchrezhdenie «Federal'nyy nauchnyy centr kormoproizvodstva i agroekologii imeni V.R. Vil'yamsa» (starshiy nauchnyy sotrudnik)
Russian Federation
631.527
The morphobiological and economically valuable characteristics of the promising variety of spring rapeseed 'Svetozar' are presented. The variety was created using chemical mutagenesis: as a result of processing seeds of the 'Vikros' variety with ethylmethanesulfonate at a concentration of 0.03%, followed by the selection of lines characterized by precocity, lodging resistance, and improved biochemical composition of seeds. Distinctive morphological features: shortened internodes of the main stem, shoots of the first order are basal, located close to each other in a "whorl", which increases the resistance of plants to lodging; simultaneous flowering of shoots of the first order and the central brush, due to which the maturation of seeds on the plant accelerates and occurs amicably on all tiers; a surepic type of arrangement of pods, which increases the resistance of plants to seed shedding during overstocking on the root and adverse weather conditions during harvesting. The average seed yield over five years of testing was 2.37 t/ha, which is 0.39 t/ha higher than one hundred. The fat content is 45.4 ± 2.1%, protein — 24.2 ± 2.0%, fiber — 8.4 ± 2.9%. It guarantees the production of 28–32 t/ha of green mass with an output of up to 6 t/ha of dry matter. The low content of glucosinolates in seeds (11.6–13.9 mmol/g) will allow the use of seeds, cake and meal when feeding animals in high doses. The variety is approved for use from 2023 in five regions of Russia — Northwestern, Central, Volga-Vyatka, Ural and West Siberian.
spring rapeseed, chemical mutagenesis, seed yield, variety, fat, protein, fiber, morphological features
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