1. PHOTOSYNTHETIC RESPONSE UNDER LONG-TERM DROUGHT STRESS IN SOMATIC HYBRIDS BETWEEN POTATO AND SOLANUM BULBOCASTANUM. Authors: ELENA RAKOSY-TICAN, IMRE VASS, ANDRÁS CSERI, ISTVÁN VASS, RALUCA-ALINA MUSTAȚĂ, IMOLA ERDELY-MOLNAR, TÜNDE-ÉVA DÉNES.