1. IN VITRO STRESS SELECTION OF MARKER FREE TRANSGENIC POTATO LINES IN ORDER TO PRODUCE POTATO RESISTANT TO BOTH PVY AND DROUGHT STRESS. Authors: ELENA RAKOSY-TICAN, TUNDE-EVA DENES, IMOLA MOLNAR, RALUCA-ALINA MUSTAȚĂ.2. IN VITRO ANALYSIS FOR DROUGHT TOLERANCE OF DIFFERENT TRANSGENIC POTATO LINES RESISTANT TO PVY. Authors: ELENA RAKOSY-TICAN, ADRIANA AURORI, TUNDE-EVA DENES, IMOLA ERDELY-MOLNAR, RALUCA-ALINA MUSTAȚĂ.