Maloid Intergeneric Hybrids in the Collections of The

13 - 15 May, 2020 Jelgava, Latvia RESULTS OF RIBES BREEDING AT THE NULESU, UKRAINE Volodymyr MEZHENSKYJ, Dr. Sc., prof. V.L. Symyrenko Horticulture Department, National University of Life and Environmental Sciences of Ukraine Ribes L. The genus Ribes L. (Grossulariaceae) includes some edible gooseberries and currants which are among popular small fruit crops in Ukraine. Fruit currants are divided into blackcurrant Ribes aureum Pursh Ribes nigrum L. (R. nigrum L.), red and whitecurrant (Ribes petreum Wulfen, R. rubrum L., R. spicatum E.Robson and their interspecies hybrids) and goldencurrant (5). Most gooseberry cultivars belong to hybrids between European R. uva-crispa L. and some American species. Ribes rubrum L. Ribes uva-crispa L. Currants and gooseberries in Ukraine The both gooseberry and currant cultivars are widely grown in commercial and amateur SmalI fruits orchards in Ukraine. The area of currant plantations at bearing age makes 4.5 thousand hectares and the area of the gooseberry plantations makes 0.9 thousand hectares, which are 22.7% and 4.5% of total berries area, respectively. Ukrainian currant production estimated annually is estimated roughly at 24,5 thousand tons, and gooseberry production is estimated at 6.6 thousand tons. The State Register of Plant Varieties Suitable for Dissemination in Ukraine in 2020 includes 26 black currant cultivars, 11 red and white currant cultivars, and 21 gooseberry cultivars. Petro Sherenhovyj (1924-2016) The breeding work on Ribes was started at the NULESU (former Ukrainian Agricultural Academy) in 1984. Petro Sherengovyi, as the founder of the breeding program, used methods of cross breeding, either via controlled crosses or via open pollination and as well as bud sports. Initial material was the varieties of small fruit crop early collected by Sherenhovyi which was included a lot of berries, including 98 blackcurrant cultivars. Selections were made in large number of seedlings based initially on subjective evaluation of fruit quality, yield, and plant health. The final selections were used for the observation and replicated plots. Most promising selections were tested according to guidelines for distinctness, uniformity, and stability tests and registered in Ukraine as new cultivars. Origin of currant cultivars Year of Cultivar Origin registration ‘Dochka Vorskly’ F1 ‘Vorskla’ 1999 ‘Hovtva’ ‘Poltava 800’× ‘Belorusskaya Sladkaya’ 1999 ‘Pam`yati Leonida sport of ‘Mriia Kyivska’ (= ‘Nestor Kozin’ × ‘Seenets 2007 Mykhalevskoho’ Golubki') ‘Universytetska’ F1 ‘Holosiivska’ (= ‘Poltava 800’× ‘Zelena Dymka’) 2007 ‘Aspirantska’ ‘Mriia Kyivska’ (= ‘Nestor Kozin’ × ‘Seenets Golubki') × 2008 ‘Narodna’ (= F1 ‘Lentyaj’) ‘Didorivska’ ‘Dochka Vorskly’ (= F1 ‘Vorskla’) × ‘Mriia Kyiva’ (= ‘Nestor 2009 Kozin’ × ‘Seenets Golubki') ‘Poltava 584’ ‘Poltava 800’ (= ‘Zoya’ × ‘Prymorskij Chempion’) × ‘Titania’ 2014 ‘Petrivska’ ‘Mriia Kyivska’ (= ‘Nestor Kozin’ × ‘Seenets Golubki') × 2015 ‘Holosiivskyi Veleten’ [= ‘Pam`yatna’ × (‘Perun’ × ‘Titania’)] ‘Yuvileina sport of ‘Holosiivskyi Veleten’ [= ‘Pam`yatna’ × (‘Perun’ × 2016 Sherenhovoho’ ‘Titania’)]. ‘Leleka’ ‘Mriia Kyiva’ (= ‘Nestor Kozin’ × ‘Seenets Golubki') × 2017 ‘Narodna’ (= F1 ‘Lentyaj’) ‘Dochka Vorskly’ ‘Poltava 584’ ‘Leleka’ Origin of redcurrant and whitecurrant cultivars Year of Cultivar Origin registration Redcurrant ‘Kyianochka’ ‘Jonkheer van Tets’ × ‘Fay`s Prolific’ 2012 ‘Poliana Holosiivska’ ‘Buzhanska’ × (‘Jonkheer van Tets’ + ‘Kyianochka’) 2012 ‘Buzhanska’ ‘Fay`s Prolific’ × ‘Red Cross’ 2014 ‘Malva’ ‘Poliana Holosiivska’ × (‘Buzhanka’ + ‘Kyianochka’) 2014 ‘Olha’ ‘Buzhanka’ × ‘Kyianochka’ 2016 Whitecurrant ‘Lebidka’ open pollination of unknown variety 2014 ‘Malva’ ‘Lebidka’ Origin of gooseberry cultivars Year of Cultivar Origin registration ‘Finik’ × ‘NAU 1’ (= F ‘Afrykanets’) ‘Vasylko’ 1 2013 ‘Neslukhovskyi’ × ‘Afrykanets’ ‘Tikych’ 2013 ‘Vasylko’ ‘Tikych’ Conclusions 18 new black current, white current, red current, and gooseberry cultivars developed at the NULESU were included to the State Register of Plant Varieties of Ukraine in 1999–2016. They are resistant to main diseases, have high fruit quality, suitability for fresh market and processing, and good adaptability to condition of the northern part of Ukraine. Thank you for attention.

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