Streszczenie:
The purpose of this work was to study the indicators of growth, development and productivity of one-year pear trees of the Oksamit and Xena varieties in nursery depending on different clonal rootstocks of pear in the conditions of the NSC Lviv NUP. During 2021-2022, records of bud take, winter kill and growth of grafted buds in the spring, trees height, foliage area, branches amount, number of fruit spurs, productivity of standard nursery trees per unit area depending on the rootstock. Analysis of the structure of the received standard nursery trees on different clonal rootstocks showed that the proportion of trees of the first grade for Oksamit variety was greater on rootstocks of quince A (59.4%), Sido (60.5%) and BA-29 (63.2%). The Xena variety has the most trees of the first grade provided by rootstock BA-29 (62.1%) and other rootstocks showed significantly lower results. Thus, the analysis of the obtained data shows that for for the Oksamit variety, the best rootstocks are BA-29 and Sido, and for the Xena variety, only BA-29.
