Cytokinin deficiency confers enhanced tolerance to mild, but decreased tolerance to severe salinity stress in in vitro grown potato oleh Martin Raspor, Miloš Mrvaljević, Jelena Savić, Tatjana Ćosić, Abdul Rasheed Kaleri, Nina Pokimica, Aleksandar Cingel, Nabil Ghalawnji, Václav Motyka, Slavica Ninković