CYTOLOGIA
Online ISSN : 1348-7019
Print ISSN : 0011-4545
Cytomorphology of Induced Tetraploidy in Cajanus cajan and Vigna unguiculata
O. P. PatelR. C. Verma
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1999 年 64 巻 1 号 p. 29-36

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Colchitetraploids were synthesized in Cajanus cajan cv. Prabhat and Vigna unguiculata ssp. unguiculata cv. GC 82-7. Tetraploids of C. cajan exhibited reduction in vigour while that of V. unguiculata expressed 'gigantism'. Increase in cell size was observed in both genera. Meiosis was normal in majority of the meiocytes, however, multivalent associations, unequal chromosome distribution, laggards etc. were also observed in some cells. The results suggested involvement of genetic and physiological factors in addition to chromosomal abnormalities for observed high pollen and seed sterility.

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© The Japan Mendel Society
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