Somatic hybridisation of plants by fusion of protoplasts. II. The chromosome numbers of somatic hybrid plants of 4 different fusion experiments

Melchers, G.; Sacristan, M.D.

Tissue and cell culture in plants La culture des tissus et des cellules des vegetaux: 169-177


Accession: 000500677

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Chromosome numbers are reported for 108 plants from fusion experiments involving haploid tobacco plants respectively v (virescent) and s (sublethal). In somatic hybrids, a chromosome number of 48 was most commonly found, though triploids with 72 and amphitetraploids with 96 and aneuploids were also observed. It is suggested that triploids and tetraploids may have arisen by fusion of more than two protoplasts. The triploids were sterile.