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The article presents the results of studying the forms of the willow-leafed pear Pyrus salicifolia Pall. of second generation on winter resistance, drought resistance, trees condition, seed productivity. Research was carried out in 2018–2020 on the basis of the Orenburg branch of the Federal Research Center of Horticulture in accordance with standard methods. 2002 planting elite forms of P. salicifolia - 7–19, 7–21, 7–23, 7–24, 7–25, 7–26, 7–27, 7–28, 7-29 were studied. The aim of the research was to study adaptive potential with seed productivity and selection of P. salicifolia forms with the greatest severity of these traits for seed rootstocks use. Comprehensive study of seed productivity and indicators of climatic conditions adaptability allowed to establish that the forms 7-19, 7-24 and 7-29 were characterized by the best indicators, which can be recommended as pear seed rootstocks in the steppe zone conditions of the Southern Urals.

Elite forms of willow-leafed pear Pyrus salicifolia Pall. in the steppe zone conditions of the Southern Urals as a seed rootstock for pear