Syringa and Space: From Earth Selection to Cosmic Mutagenesis The connection between the delicate spring shrub and the void of space seems obscure. However, it is precisely the lilac, thanks to its biological plasticity and cultural significance, that has become a unique object at the intersection of space biology, selection, and symbolic politics. Their interaction reveals how earthly life and advanced technologies mutually enrich each other. Cosmic Mutagenesis: Accelerated Evolution in Orbit One of the key directions is the use of factors of space flight (microgravity, increased radiation, magnetic fields) as a powerful mutagen for creating new forms of plants. The seeds of lilac have been sent into orbit multiple times as part of experiments on biosatellites of the "Bion" series, the "Mир" station, and the ISS. Scientific mechanism: Space radiation (heavy charged particles of galactic rays, protons) causes breaks and damage to DNA molecules in the seeds. The plant's repair systems (repair) try to restore the integrity of the genome, but may introduce errors. Microgravity disrupts the normal course of intracellular processes, affecting gene expression. Together, this leads to an increased frequency of mutations — cosmic mutagenesis. Goal for lilac: Obtain mutant forms with new, valuable traits for selection: altered shrub architecture (dwarfism, weeping), unusual flower color (enhanced blue or yellow pigments, appearance of contrasting eyes), increased resistance to diseases, shift in flowering times. Such spontaneous mutations occur rarely in nature, and space acts as an accelerator of the evolutionary process. Example: In Russia, experiments with lilac seeds that had been in orbit were conducted at the Institute of Space Instrumentation and the All-Russian Botanical Garden of the Russian Academy of Sciences. Seedlings grown from "cosmic" seeds showed deviations from the parental forms at early stages of development. The selection and vegetative propagation of su ... Read more