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Information × Registration Number 0216U003439, 0111U003412 , R & D reports Title Peculiarities of application of genetical systems of multiplication (CMS, incompatibility, apomixes, etc.) in the selection for heterosis in winter rape in the conditions of the eastern Forest-Steppe of Ukraine popup.stage_title Head Glukhova Nataliia Anatoliivna, Registration Date 03-03-2016 Organization PLANT PRODUCTION INSTITUTE ND. A. V. YA. YURYEV NATIONAL ACADEMY OF AGRАRIAN SCIENCES OF UKRAINE popup.description2 Object: Winter rape breeding. Objective: Identification and creation of sources for winter rape heterosis breeding as well as study of the heterosis effect and reproduction of it in rape hybrids. Methods: field, genetic and statistical, breeding, laboratory. Theoretical and Practical Results: It was revealed that in rape segregation into compatible and incompatible forms did not correspond to the usual ratio 3: 1. It was found that forms with controlled apomixis had 100% sterility and were reliable sources for heterosis breeding. The studies showed that rape accessions with unregulated apomixis were early-ripening, had increased winter hardiness and pollen-forming ability, and were sources of increased seed production upon fertility restoration or sterility fixation. It was found that fertility restoration in "Oqu-ra" and the original sterile form was performed by accessions created on the sterile basis. The patent for a method of creating shedding resistant rape forms, NCPGRU certificates for collections of self-incompatible rape forms, mutant rape forms, inbred rape lines belonging to "00" and "+0" types were received. The state variety trial of variety 'Rodalad' is continued. "A Method for Identifying Self-Incompatible Rape Forms", "A Method for Creating Rape Sterile Forms," "A Method for Increasing Yield Capacity and Oil Content", lines A, B, Rf of original sterility system were transferred to Ukrainian Institute for Scientific, Technical and Economic Information. Scientific Novelty: For the first time in the Eastern Forest-Steppe of Ukraine, breeding rape started; winter rape breeding material was created. This material is capable of demonstrating high winter hardiness and drought tolerance. Sources and donors with the traits of self-incompatibility, regulated and unregulated apomixis were distinguished. An original sterile form of winter rape was created. In rape hybrid breeding, ways of hybrid creation involving different genetic systems of reproduction were considered and implemented on heterosise basis. Using chemical mutagenesis, a winter rape form - donor of resistance to shedding seeds from pods due to overgrown tissue of pith diaphragms and rigid shells. Shedding resistant lines were created on this basis; the yield capacity of the best lines at the dead-ripe stage was by 78-96% higher than that of the standard. Effectiveness of Implementation: When "A Method for Increasing Yield Capacity and Oil Content" was used on industrial winter rape crops in the Vinnitsa region, the gain in yield capacity was 2.6 cwt/ha as compared to the standard. Scope of Application: specialized research institutions, higher and secondary educational institutions, agricultural enterprises of different ownership forms Product Description popup.authors Єгоров Дмитро Костянтинович Богуславський Роман Львович Діденко Світлана Юріївна Супрун Олег Григорович Циганко Віктор Анатолійович popup.nrat_date 2020-04-02 Close