Performance analysis of pear varieties of the Urals selection

Abstract

Listen

Translate article

The fruiting behaviour of eight pear varieties of the Urals selection was studied: Tonkovetka Uralskaya, Nizkoroslaya, Talitsa, Zarechnaya, Permyachka, Gvidon, Dobryanka, Raduzhnaya; Polya was used as a reference. The research was carried out in 1992-2020. All examined varieties began fruiting at the age of 5-6 years; heavy bearing was achieved at the age of 7-13 years. The early maturity of the Gvidon variety was singled out, in which heavy bearing occurred at the age of 7 years and annually exceeded the reference variety by the total yield at a young age (6-12 years). The Gvidon, Raduzhnaya and Zarechnaya varieties showed statistically significantly higher yields at the age of 13-29 years (21.1-27.9 t/ha) than the reference variety; the Talitsa variety demonstrated similar yields to those of the reference (17.3 t/ha). The Tonkovetka, Uralskaya, Permyachka, Dobryanka and Nizkoroslaya varieties exhibited moderate yields (10.0-13.1 t/ha). In the Polya (k), Gvidon, Zarechnaya, Talitsa, Tonkovetka Uralskaya, Permyachka, Dobryanka, Nizkoroslaya varieties, positive dynamics was observed up to 15-19 years, in the Raduzhnaya variety — up to 20-24 years. The maximum growth rate in yield was reported for all varieties at 10-14 years. The Gvidon and Raduzhnaya varieties comprise high-yielding, regularly fruiting, with a medium stable yield; the Zarechnaya variety represents high-yielding with irregular fruiting. The Talitsa variety constitutes a high-yielding variety with irregular fruiting. The Tonkovetka Uralskaya and Permyachka varieties are medium-yielding with medium stable fruiting. The Dobryanka and Nizkoroslaya varieties are medium-yielding with irregular fruiting.