Open access · Peer reviewed · No APCs
ORIGINAL ARTICLEPharmacognosy MagazineVol. 6 | Issue 21 | 2010 | pp. 51–56Open access
In vitro tetraploid induction and generation of tetraploids from mixoploids in Dioscorea zingiberensis
- 1,2,3,
- 1*,
- 1,
- 1
- 1 Department of Genetics and Breeding, China Pharmaceutical University, Nanjing, 211198, China.
- 2 School of Pharmacy, Anhui University of Traditional Chinese Medicine, Hefei 230031, China.
- 3 Anhui Key Laboratory of Modernized Chinese Material, Hefei 230031, China.
Published in Pharmacognosy Magazine
Correspondence: Shan-Lin Gao
Department of Genetics and Breeding, China Pharmaceutical University, Nanjing, 211198, China.
Email: hhp760222@sohu.com
Copyright: © 2010 Manuscript Technomedia. This is an open access article.
- Published:
- Feb 13, 2010
- Received:
- Dec 9, 2009
- Accepted:
- Dec 22, 2009
How to cite
Huang, H. P., Gao, S. L., Chen, L. L., & Wei, K. H. (2010). In vitro tetraploid induction and generation of tetraploids from mixoploids in Dioscorea zingiberensis. Pharmacognosy Magazine, 6(21), 51–56. https://doi.org/10.4103/0973-1296.59966
Abstract
This article describes an efficient colchicine-mediated technique for the in vitro induction of tetraploids in Dioscorea zingiberensis and its confirmation by flow cytometry. Buds immersed in 0.2% colchicine solution for 36 hours prior to culture induced as high as 35.6% tetraploid plants. Colchicine-induced tetraploids remained stable after six months in soil. Leaf characteristics of diploids and tetraploids in D. zingiberensis were compared. It was determined that the leaf sizes of glasshouse-grown plants and stomatal sizes of both in vitro and glasshouse-grown plants were suitable parameters for identifying putative tetraploids in D. zingiberensis. Besides generating tetraploids, this technique generated mixoploids in D. zingiberensis. Calli derived from mixoploid leaves were induced to form buds and shoots. Individual shoots were classed as diploid, mixoploid, and tetraploid by flow cytometry. This callus-based technique could be employed when a genome-doubling agent generated mixoploids, but no tetraploids.
Keywords
Subject
Article metadata
| Title | In vitro tetraploid induction and generation of tetraploids from mixoploids in Dioscorea zingiberensis |
|---|---|
| Authors | He-Ping Huang; Shan-Lin Gao; Lan-Lan Chen; Kun-Hua Wei |
| Affiliations | Department of Genetics and Breeding, China Pharmaceutical University, Nanjing, 211198, China.; School of Pharmacy, Anhui University of Traditional Chinese Medicine, Hefei 230031, China.; Anhui Key Laboratory of Modernized Chinese Material, Hefei 230031, China. |
| Corresponding author | hhp760222@sohu.com |
| Journal | Pharmacognosy Magazine |
| Volume / Issue | Vol. 6, Issue 21 (2010) |
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