“…coli (Ashwood-Smith et al, 1972;Fahrig, 1974), S. marcescens (Fahrig, 1974), and S. cerevisiae (Fahrig, 1974;Guerzoni et al, 1976). In higher plants, C-mitotic effects with an increased number of polyploid cells and induction of chromosome breaks were reported by Nybom and Knutsson (1947), Poussel (1948), Kostoff (1948), D'Amato (1949, and Zeller and Hauser (1974).…”