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Information × Registration Number 0215U007692, 0111U001783 , R & D reports Title Based on the method of mutagenesis to create ultraearly term heterosis hybrid marrow and bush pattypan line with high economic indicators for the northerh Steppe of Ukrraine popup.stage_title Head Kolesnik Ivan Ivanovych, Registration Date 23-12-2015 Organization Dnepropetrovsk experiment station of the Institute of Vegetables and Melons,NAAS popup.description2 The object of research - perspectives samples, lines and ultra-early term heterotic hybrids of marrow, the new lines of pattypan squash and marrow, hybrid marrow Оtaman F1. Aim of the work- to distinguish new ultra-early heterotic hybrid of marrow, pattypan squash line, to develop methodical recommendations on heterosis breeding of marrow at the earliness. Research methods - selection, measuring, weight, mathematical-statistical. Created ultra-early hybrid Otaman F1 (parent component - mutant line). Main indicators hybrid Otaman: to start fruiting 33 days, marketable yield of 38,7 t/ha, dry matter content of 4,4-4,7%. According to the results of competitive variety trials hybrid F1 Otaman transferred to the State test. Economic efficiency of cultivation of hybrid is 370 thousand UAH per 100 ha of crops. Developed a method of breeding early maturing hybrid marrow (u 10528 2015). Created line pattypan squash L-1 with flattened form of a commodity fruit with a smooth slobovian serration, productive (8,1 t/ha in rainfed conditions), with high taste qualities of fruits (4,8 points) (№ national catalog UL5000029). Created mutant line of marrow ML-2 (29 days, marketable yield of 30,4 t/ha in rainfed conditions, dry matter content of 4,5%) (№ state registration UL 3900557). Developed methodological recommendations for heterosis breeding of marrow at the earliness. The results are published in 4 scientific works. Key-words: marrow, mutant line, Otaman F1, hybrid, specimen, selection, earliness. Product Description popup.authors Cидорка Віктор Олександрович Заверталюк Володимир Філімонович popup.nrat_date 2020-04-02 Close