Gubanova, Y. 2023. Mutation types and frequency in Nigella damascena L. in the М2 and M3 generation, using ethyl methanesulfonate, nitrosomethylurea and a new derivative of dimethylsulfate, DG-2. Agricultural Science and Practice. 9, 3 (Apr. 2023), 49-63. DOI:https://doi.org/10.15407/agrisp9.03.049.