Junior research fellow of the Bioadaptation laboratory of the Institute of Molecular Biology and Biotechnologies of RA MSE Naima Niyazova is continuing her dissertation research at the Florence Research Department of the Institute of Sustainable Plant Protection for the National Research Council of Italy (CNR). Analysis at molecular and biochemical levels is carried out in order to evaluate stress resistance in local and Italian tomato varieties subjected to the combined effect of drought and virus stress and treated with microorganism extract as a biostimulant.