Cytological studies in Carum copticum Benth. and Hook

Cytogenetical investigations were undertaken in Carum copticum, an Umbellifer of medicinal importance for its commercial source of essential oil containing thymol. The present paper deals with cytological studies with special reference to meiotic analysis. Mitosis is normal with chromosome number 2n...

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Veröffentlicht in:	CYTOLOGIA 1984/09/25, Vol.49(3), pp.501-511
Hauptverfasser:	Thengane, S.R, Dnyansagar, V.R
Format:	Artikel
Sprache:	eng
Schlagworte:	Biological and medical sciences cell biology chromosome pairing Fundamental and applied biological sciences. Psychology meiosis Plant cytology, morphology, systematics, chorology and evolution Spermatophyta Systematics (diagnosis, chromosome numbers) Trachyspermum ammi
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Zusammenfassung:	Cytogenetical investigations were undertaken in Carum copticum, an Umbellifer of medicinal importance for its commercial source of essential oil containing thymol. The present paper deals with cytological studies with special reference to meiotic analysis. Mitosis is normal with chromosome number 2n=18. The karyotype is symmetrical indicating that the plant belongs to the subline of Pastinaca-Foeniculum-Selenium in the evolution of Umbelliferae. Meiotic analysis reveals that meiosis is normal. The intranuclear variance is more than internuclear variance indicating in general a negative correlations.
ISSN:	0011-4545 1348-7019
DOI:	10.1508/cytologia.49.501