Spryagailo O. Biological peculiarities and productivity of the pear depending on variety-rootstock combinations in conditions of Right-bank Forest-steppe of Ukraine

The object - the sorts and elite forms of the pear selected at the Mliiv Horticultural Institute by L.P.Simirenko of UAAS on vigorous and low vigorous rootstocks. The aims - to study the biological peculiarities, appreciation of consumable qualities of new varieties of the pear depending on rootstocks. The methods - fieldwork, field-laboratory, laboratory, statistics, economic-comparative and estimate expenses. The results - highly productive, paying sorts and forms of the pear that yields highly consumable qualities are selected. There were chosen the best brands of pollinators. The best elite forms 9788 and 9327 were given the names Oksamyt and Raiduha forwarded to the State Commission of the Ukraine for testing and protection of plant varieties. Novelty - scientifically substantiated selection of the highly productive sorts in conditions of Right-bank Forest-Steppe of Ukraine. The extent of using - at the Mliiv Horticultural Institute they grow every year 3-5 thousands of young plants , that were used to estimated the gardens on the area of 5 hectares. The sphere of using - Horticultural Institute and stations, the state Committee of Ukraine on testing and protection of the plant sorts