Published in Scientific Papers. Series B, Horticulture, Vol. LXVIII, Issue 2
Written by Sabin Ioan BANIȚĂ, Anamaria CĂLUGĂR, Dorin DUSA, Adriana SESTRAȘ, Florin Dumitru BORA, Andreea BUNEA, Claudiu Ioan BUNEA
Some fertilizers containing amino acids could help recover grapevine plants after hail stress and on the quality and quantity of harvest. After the hail damage on April 30th, 2019, three treatments with an amino-acids complex were applied to the grapevine canopy - at 20-25 cm, at 35-40 cm shoot length, and berries growth - on Feteascǎ neagrǎ grapevines at Serve Winery, Dealu Mare vineyard. At harvest, the quality and quantity of grape was tested for treated and untreated variant. The total anthocyanins for the treated variant were 211 mg/100 g FW and for the untreated variant - 198 mg/100 g FW. The content of total polyphenols total was 376 g/100 g FW for the treated variant, significantly higher than the untreated variant 320 g/100g FW. The content of flavonoids for the treated variant was of 147 g/100 g FW significantly lower than the untreated variant 130 g/100 g FW. The treatment with amino acids influenced the quantity and the quality of grape harvest affected by the hail, with significant results.
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