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http://hdl.handle.net/11154/2125
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Title: | Plant regeneration from callus and suspension cultures of Valeriana edulis ssp procera via simultaneous organogenesis and somatic embryogenesis |
Authors: | Castillo, P Marquez, J Rubluo, A Lara, M Hernández, G |
Issue Date: | 2000 |
Abstract: | Plants of the genus Valeriana produce irioid esters of biotechnological interest, known as valepotriates. The regeneration of Valeriana edulis ssp. procera via indirect organogenesis and somatic embryogenesis from leaf-derived callus and suspension cultures, is presented. For induction of callus, leaves were cultured on semisolid MS medium supplemented with 2,4-dichLorophenoxyacetic acid (2,4-D) and kinetin. Embryogenic and organogenic callus development was observed after 16 weeks. Calli were transferred to semisolid and liquid Murashige and Skoog (MS) medium supplemented with kinetin and 1-naphthaleneacetic acid (NAA). Appearance of shoot and somatic embryo occurred 4 weeks later. Shoots were rooted and somatic embryos were germinated and were transferred to the greenhouse. A better organogenic and embryogenic response was observed from suspension cultures. Histological observations of morphogenic callus revealed that both somatic embryos and shoots arose from the same type of callus. (C) 2000 Published by Elsevier Science Ireland Ltd. All rights reserved. |
URI: | http://hdl.handle.net/11154/2125 |
ISSN: | 0168-9452 |
Appears in Collections: | Ciencias
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