VARIETY STUDY OF INTRODUCED APPLE VARIETIES (MALUS DOMESTICABORKH.) IN THE CONDITIONS OF PODILSK EXPERIMENTAL STATION

Abstract

This article presents the results of studying the yield and fruit quality of 21 introduced apple varieties of winter ripening in Podolsk Research Station of Horticulture. According to the results of a five-year study of varieties (2016-2020), the evaluation of varieties is based on a set of basic characteristics: early fruiting, yield, marketability, taste and viability of fruits. As a result of the research, Count Ezzo, Siabrina, Selena, and Nadzeina were recognized as the best. These varieties begin to bear fruit at the age of one to two years, the yield of five- to nine-year-old trees reaches 18.2-24.7 t/ha, the yield compared to the control was 126-172%, where the average yield of the control of the Askold apple variety was 14.4 t/ha. The total average yield over the years of research in Nadziejna, Graf Ezzo, Syabrina and Selena varieties was 91.3-123.9 t/ha, and in the control variety of Askold apples, this indicator was 71.9 t/ha. During the years 2016-2020, research revealed that high-yielding apples of the varieties Angold, Graf Ezzo, Ligol, Honey Crisp, in which the average weight of the fruit was 201-248 g. The fruits above the average size had the varieties Askolda, Idared, Ariva, Beni Shogun Fuji, Garant, Enterprise, Imant, Cameo, Nadzheyn, Rumyany Alpinist, Red Chief, Rubinola, Syabrina, Selena, Topaz, Hill Well Braeburn, the average weight of which was 151-200 g. All studied varieties form apples of medium uniformity (at the control level ), except for the varieties Angold, Imant, Rumyany Alpinist, the fruits of which turned out to be uneven. On average, for 2016-2020, in the planting of 2011, the yield of fruits of the highest and first grade was 26-48%. The fruits of the selected varieties are more than average in size (Nadzeyna, Syabrina, Selena) and large (Graf Ezzo), medium uniformity, excellent, very harmonious sweet-sour taste (7.8-8.4 points), except for the Nadzeyna variety, which is inferior to the selected varieties varieties only by the taste qualities of apples (6.7 points).