| Abstract | Protoplasts of soybean and N. glauca were induced to fuse with polyethylene glycol (PEG 1540). Up to 39% of the protoplasts in the treated population were heterokaryocytes. When the heterokaryocytes were isolated and individually cultivated they divided indefinitely and each produced many millions of cells within 2–3 months. The chromosomal behaviour of soybean and N. glauca in the hybrids were not synchronous in the first few cell generations and the chromosomes of N. glauca had a tendency to stick together and break into pieces. However, some of the N. glauca chromosomes were still retained in the somatic hybrids after 6 months of culturing. The chromosomes of the N. glauca were reconstructed in such a way that in the later cell generations, the movement of the N. glauca chromosomes were in synchrony with the soybean chromosomes. |
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