Tuan Anh TRAN, Valya VASSILEVA, Petar PETROV, Losanka Petrova POPOVA* Department of Photosynthesis, Institute of Plant Physiology and Genetics, Bulgarian Academy of Sciences, Sofia, Bulgaria Department of Plant Stress Molecular Biology, Institute of Plant Physiology and Genetics, Bulgarian Academy of Sciences, Sofia, Bulgaria Department of Mineral Nutrition and Water Relations, Institute of Pla...