THE TRANSPORT PATHWAY OF LABELLED Mycena osmundicola AND ASSIMILATED LABELLED MATERIALS IN THE EMBRYONIC CELLS OF Gastrodia elata EM AUTORADIOGRAPHY EVIDENCE FOR IRRADIATED POLLEN DNA OF Leymus angustus ENTERING WHEAT OVARY AND GISH OF ITS HYBRIDS Autoradiographic Study on the Transport Pathway of Storage Protein of Soybean Within Cotyledon Cells Autoradiographic Study of Gamma-Ray Induced Unscheduled DNA Synthesis in Bean Root Meristem Cells Studies on 6-benzyladenine Localization in Callus Cells of Tobacco THE STUDIES OF DNA METABOLIC DYNAMICS IN EMBRYONIC CELL LINE AND NON-EMBRYONIC CELL LINE OF Onobrychis viciaefolia Scop. An Autoradiographic Study of the Azolla-Anabaena azollae Relationship