NUTRIENTS ACCUMULATION ON BLACKBERRY FRUITS IN REPUBLIC OF MOLDOVA CONDITIONS

The paper presents the results of studying the varieties of blackberry ‘Darrow’, ‘Thornfree’, ‘Smoothstem’. According to research conducted in assessing biochemical composition of fruits in the Republic of Moldova, to determine the content of dry matter, sugars, acidity, vitamin C, tannins and coloring substances in blackberry fruit for the years 2010-2011 and 2013. Of the varieties mentioned, on can noted ‘Smoothstem’ variety with a rich medium dry matter (12.67%) and a high coefficient of sugar / acidity (3.18). The variety ‘Darrow’ recorded the lowest average results of these indicators (10.67% 2.57%), but higher average values manifested by the content of vitamin C and tannins and coloring substances, reaching respective values of 26.05 mg% and 48.50 mg%