Качествени характеристики на различни клонове на автохтонния сливов сорт Crvena Ranka, селекционирани в района на Гледичките планини в Централна Сърбия. (Bulgarian)

Fruit Quality Attributes of Different Clones of Autochthonous Plum Variety Crvena Ranka Selected in the Region of Gledićke Mountains in Central Serbia. (English)

Autochthonous varieties cover about 30% of the total plum production in Serbia. Among them, one of the most important is Crvena Ranka which has been grown in this country for centuries. Thanks to the excellent quality that it possesses as a raw material for the production of premium brandy, in recent years there has been a growing interest in establishing new plantations of this variety. Since there are a large number of clones and types of this variety, it is necessary to single out those that have better characteristics and use them for further propagation and production of planting material. The present study was undertaken to evaluate the fruit quality attributes of six clones of Crvena Ranka selected in the region of Gledićke mountains in central Serbia. The following indicators have been studied: pomological (fruit and stone weight, flesh percentage, fruit dimensions, geometric mean diemeter and sphericity) and fruit chemical properties (soluble solids, total and invert sugars and sucrose content, total acids, pH value as well as ripening index and index of sweetnes) were evaluated. Clones GP1 and GP3 had the largest, while clone GP6 had the smallest fruit. On the other hand, clone GP6 was characterized by the best fruit chemical properties and had the largest amount of soluble solids, total and invert sugars and sucrose. Also, this clone had the largest ripening index and index of sweetnes. Clone GP3 showed the highest content of total acids, while clone GP5 had the largest pH value. [ABSTRACT FROM AUTHOR]

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