Abstract

Result of research of quantitative characteristics of biochemical composition of fruits of 30 taxons of 3 Vacciniaceae species (such as V. corymbosum L. (highbush blueberry), V. vitis-idaea L. (lingonberry) and Oxycoccus macrocarpus (Ait.) Pers. (cranberry)) inter-specific distinctions of a degree of stability of its separate components to complex influence of meteorological factors are revealed by 32 parameters (traits) describing the contents in fruits of some organic acids, carbohydrates, phenolic compounds, terpenoids and major mineral elements are presented. The cultivars possessing by the greatest and accordingly by the least levels of dependence on abiotic factors are identified.

Highlights

  • The major aspect of the introduction researches connected with in-depth study of species of berry plants is the complex estimation of biochemical composition of fruits in a long-term cycle of the supervision, which gives to us the representation about its genotypic features, and about a degree of dependence on a hydrothermal regime of the period of fruits maturing and of parameters of accumulation in fruits of a wide spectrum of the useful substances determining organoleptic properties of berry production

  • The greatest number of parameters with the minimal values is revealed for V. covilleanum Butkus et Plishka cultivars in 2007, whereas for V. vitis-idaea L. and O. macrocarpus (Ait.) Pers. cultivars in 2008

  • The least significant inter-seasonal distinctions at O. macrocarpus (Ait.) Pers. cultivars are established for the contents in fruits of vitamin C, of fixed oils, of phosphorus, of dry matter and tannins, whereas the most significant ones are established for the contents in fruits of fructose, of flavonols, of ratio of bioflavonoid fractions, of monose to disaccharide ratio, and of values of a sugar-acid index

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Summary

Introduction

The major aspect of the introduction researches connected with in-depth study of species of berry plants is the complex estimation of biochemical composition of fruits in a long-term cycle of the supervision, which gives to us the representation about its genotypic features, and about a degree of dependence on a hydrothermal regime of the period of fruits maturing and of parameters of accumulation in fruits of a wide spectrum of the useful substances determining organoleptic properties of berry production Consideration of this aspect of the response introduced species on complex influence of meteorological factors is represented to us rather actual as the extremely unstable character of weather conditions during vegetation of plants and maturing of their fruits, peculiar to the Belarus region, can noticeably influence on the rates of accumulation of those or other compounds and by that to render of corrigent action on their nutritious and vitamin value. It will allow to designate cultivars of introduced species, possessing by the greatest and by the least levels of dependence on abiotic factors

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