COMPARATIVE ESTIMATION OF BIOCHEMICAL COMPOSITION OF FRUITS OF ERICACEAE SPECIES UNDER CONDITIONS OF BELARUS
Abstract
Thus, as a result of biochemical screening of 30 taxons of Ericaceae species taking into account 32 parameters in a long-term cycle of observation it has been established the different degree of dependence of variability level of biochemical structure components of fruits of alien crops on genotype and a hydrothermal mode of the period of their maturing has been revealed. The similarity of parameters of genotypic variability of some traits of all investigated Ericaceae species is also revealed: low one – for the general contents in fruits of soluble sugars, flavonols, of potassium, calcium, magnesium and high one – for the contents of anthocyanins, and also the ratio of fractions of pectinaceous substances and bioflavonoids.
Specific features of genetic determinacy of the analyzed traits, testifying the greatest degree of its displays of V. corymbosum for total accumulation of soluble sugars and bioflavonoids, flavonols contents, calcium and magnesium and by the lowest degree – for the contents of titratable acids, vitamin C, anthocyanins and values of a sugar-acid index were established. If to mention V. vitis-idaea L., the parameters of general accumulation in fruits of soluble sugars, dry substances and all major mineral elements were characterized by the greatest degree of genetic determinacy, whereas by the least degree – the contents of anthocyanins, catechines and tannins. If to mention V. macrocarpon, the parameters of accumulation in fruits of dry substances, nitrogen, potassium, calcium, phenol-carboxylic acids have been noted by the most expressed genetic determinacy, and by the least expressed – the contents of anthocyanins, sucrose and pectinaceous substances in fruits.
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Copyright (c) 2016 Zhanna Rupasova, Vladimir Reshetnikov, Аleksandr Yakovlev, Anton Volotovich, Tamara Vasilevskaya, Natalia Krinitskaya, Elizaveta Tishkovskaya, Vladimir Titok, Nikolay Pavlovski
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