Abstract
THE genus Sorghum consists of two groups. Eu-Sorghum includes the tetraploid millet species and an octoploid fodder species1. Para-Sorghum includes only diploid species (n = 5) which are not cultivated. One of these is S. purpureo-sericeum, from the Sudan, in which I have described plants with varying numbers of extra chromosomes. These chromosomes I supposed to be inert2.
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References
Hunter, A. W. S., Canad. J. Res., 11, 213–241 (1934).
Janaki-Ammal, E. K., Curr. Sci., (1939).
Darlington, C. D., and Upcott, M. B. (1940). J. Genet, (in the Press).
Metz, C. W., Amer. Nat., 72, 485–520 (1938).
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JANAKI-AMMAL, E. Chromosome Diminution in a Plant. Nature 146, 839–840 (1940). https://doi.org/10.1038/146839a0
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DOI: https://doi.org/10.1038/146839a0
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