Ohri, D. ; Khoshoo, T. N. (1986) Genome size in gymnosperms Plant Systematics and Evolution, 153 (1-2). pp. 119-132. ISSN 0378-2697
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Official URL: http://www.springerlink.com/content/q25v6222167j57...
Related URL: http://dx.doi.org/10.1007/BF00989421
Abstract
The DNA 2C and per chromosome values of 57 species belonging to 22 genera of gymnosperms have been analysed. The overall range is 12-fold with a modal value of about 30.0 pg. Cycadales exhibit a 2-fold difference. AmongConiferales with a 4-fold variation, thePinaceae have higher mean DNA contents as well as a greater range and diversity than other families. Remarkable interspecific differences are found in Cycas, Picea, Larix, Pinus, Callitris, Cupressus, and Chamaecyparis. Despite this, there is a constancy of basikaryotypes within these genera. Gnetum shows a distinctly low DNA value.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Springer-Verlag. |
| Keywords: | Gymnosperms; Nuclear DNA Content; Evolution; Polyploidy; Woody Habit |
| ID Code: | 28389 |
| Deposited On: | 15 Dec 2010 12:07 |
| Last Modified: | 04 Jun 2011 08:11 |
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