Letter | Published:

Chromosome Elimination in Saccharum

Naturevolume 168pages383384 (1951) | Download Citation



IN the sugar-canes there are two cytological features of interest. First, it has been noticed that two types of egg gametes, one with the reduced haploid number of chromosomes and the other with the unreduced diploid number, are formed. From a study of chromosome numbers in certain hybrids (Table 1), it can be seen that in some crosses one or other of these types of gametes, or both, have functioned.

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  1. 1

    Bremer, G., Proc. Eighth Int. Cong. of Genetics, Supp. to Hereditas, 541 (1949).

  2. 2

    Janaki-Ammal, E. K., J. Genet., 41, 217 (1941).

  3. 3

    Parthasarathy, N., Report of the Sugarcane Geneticist for 1941–42, Imp. Council of Agric. Res., India (1942).

  4. 4

    Subramanium, C. L., Part 1 of a thesis submitted to the University of Madras for the degree of master of science (1946).

  5. 5

    Vaarama, A., Hereditas, 35, 136 (1949).

  6. 6

    Rajan, S. S., Hardas, M. W., and Parthasarathy, N., Indian J. Genet. and Plant Breed., 10, 43 (1950).

  7. 7

    Parthasarathy, N., J. Ind. Bot. Sci., M.O.P. Iyenear Commemoration Vol., 133 (1946).

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  1. Division of Botany, Indian Agricultural Research Institute, New Delhi



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