APPLIED BIOTECHNOLOGIES. SOLANUM LYCOPERSICUM ANTHER CULTURE
DOI:
https://doi.org/10.51258/AAR.2025.7.28Keywords:
androgenesis, morphological evaluation, genetic variability, Solanum lycopersicumAbstract
Anther culture is an efficient biotechnological method for obtaining haploid and double haploid plants by in vitro androgenesis. The technique involves the isolation of microspores from anthers and their regeneration under controlled laboratory conditions, followed by ex vitro acclimatization of the plant. This method significantly contributes to plant improvement by reducing the time required to develop new genetically stable genotypes. Evaluation of morphological traits and genetic analysis using molecular markers confirmed the haploid origin of the regenerated plants and their genetic diversity. The objectives of this study were to test the in vitro regeneration capacity of anthers in five tomato varieties obtained at INCDBH Ștefanesti, evaluate the phenotypic characteristics of the regenerated plants, and perform genetic analysis using Simple Sequence Repeat (SSR) markers to identify possible somaclonal variations resulting from the indirect organogenesis process. Successfully regenerated plants were obtained from only two of the five tested varieties, respectively 'Costate 21' and 'Argeș 20', and analysis with SSR markers revealed genetic differences between the regenerants and the donor plants, confirming that the regeneration process can generate genetic variability.Downloads
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