[Mechanism of action of antimutagens. II. Relationship between the antimutagenic effect of ionol and the stage of the mitotic cycle of Crepis capillaris L].

When a synchronous population of Crepis capillaris L. cells was used as the experimental material, the repair of spontaneous and induced aberrations by antimutagens was established to take place at the G1 stage. A definite period within this stage when the repair proceeds is discovered.