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Plant Systematics and Evolution

, Volume 131, Issue 3–4, pp 261–276 | Cite as

Patterns of endopolyploidy and 2C nuclear DNA content (Feulgen) inScilla (Liliaceae)

  • Brigitte Frisch
  • Walter Nagl
Article

Abstract

The Feulgen-DNA content of 3558 nuclei from 21 different tissues and organs ofScilla decidua (Liliaceae) was measured by a scanning cytophotometer interfaced to a computer. The basic nuclear DNA content (2 C value) was 13.62 pg, and 71 per cent of the nuclei were polyploid. The highest DNA values were found in the antipodal cells of the ovule, and the elaiosomes of the seeds (512 C). In addition to polyploidy, the 2 C values exhibited tissue-specific variation which was statistically significant (0.05% level of probability), It is suggested that differential DNA replication and endopolyploidization may be basic factors in the complex mechanism of cell and tissue differentiation.

Key words

Liliaceae Scilla decidua DNA content endopolyploidy tissue-specific DNA content differential DNA replication cell differentiation 

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Copyright information

© Springer-Verlag 1979

Authors and Affiliations

  • Brigitte Frisch
    • 1
  • Walter Nagl
    • 1
  1. 1.Dept. of BiologyThe UniversityKaiserslauternGermany

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