Published in Scientific Papers. Series B, Horticulture, Vol. LXVIV, Issue 2
Written by Andreea Mihaela UDREA-BRASLĂ, Mihaela OLARU, Cătălin-Viorel OLTENACU, Nicoleta OLTENACU, Ailin MOLOȘAG, Damian DRAGOMIR, Vlăduț HOLT
The peach (Prunus persica L.), native to China, is a fruit tree of global importance, appreciated for its nutritional and sensory qualities. This study analyzes the influence of organic and conventional cultivation technology on some fruit quality indices (firmness, sugar content, acidity, pH) and productivity of three peach varieties - 'Catherine Sel1', 'Springcrest' and 'Raluca' - grown in south-eastern Romania. The results showed that the conventional system significantly influenced the fruit weight, 61.64 g compared to 37.36 g in the organic system, and consequently the productivity was higher in the 'Catherine Sel1' variety. The fruit firmness was similar for both systems, while the sugar content was higher in fruit from conventional culture (17.3 °BRIX compared to 15 °BRIX). The pH values were comparable, with the 'Raluca' variety recording the highest pH (3.76) and the citric acid content showed minor differences between the systems (0.97% vs. 0.91%), with the 'Springcrest' variety reaching the highest value of 1.78%.
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