1. QUALITY CONTROL PARAMETERS OF RIBES NIGRUM L. BUDS FOR ESTABLISHING THE OPTIMAL HARVESTING PERIOD . Authors: AUREL ARDELEAN, VIOLETA TURCUȘ, NELI KINGA OLAH, DANIELA HANGANU, SIMONA CODRUTA COBZAC, RAMONA FLAVIA CÂMPEAN, ELISABETA CHIȘE.