The biological effects of flight and outer space factors were studied on biological specimens of various organization, viz. spiderwort microspores, dry seeds of the pine tree, wheat, onion and of other higher plants as well as on lysogenic bacteria and wine flies. Furthermore, lysogenic bacteria
Regulation of branching within perennial prostrate clonal herbs differs from the annual orthotropic species, Arabidopsis and pea, as the dominant signal transported from roots is a branching promoter, not an inhibitor. Trifolium repens, an exemplar of such prostrate species, was used to investigate