Title

Un protocolo de embriogénesis somática para la regeneración y caracterización in vitro de Laelia anceps ssp. dawsonii

A protocol of somatic embryogenesis for the in vitroregeneration and characterization of Laelia anceps ssp. dawsonii

Author

Hilda Eulalia Lee Espinosa

ANTONIO LAGUNA CERDA

Joaquín Murguía González

Lourdes Georgina Iglesias Andreu

BENJAMIN GARCIA ROSAS

DIANA ESCOBEDO LOPEZ

YOLANDA MARIA MARTINEZ OCAMPO

FELIPE ALONSO BARREDO POOL

NANCY SANTANA BUZZY

Access level

Open Access

Summary or description

Laelia anceps ssp. dawsonii is one of the most appreciated Mexican wild orchids, with atractive characteristics for ornamental potential according to international standards. It has become an important economic species, subjected to excessive collection and risk of extinction. To ensure its conservation, it is necessary to develop efficient propagation protocols which allow its sustainable utilization and reduce collection. Somatic embryogenesis is an efficient technology for in vitro plant multiplication. In this study we evaluated in vitro conditions for developing a somatic embryogenesis protocol for Laelia anceps ssp. dawsonii. Embryogenic calli was induced from mature seeds, in a Murashige and Skoog medium supplemented with multiple combinations of naphthalene acetic acid (NAA), 6-benzylaminopurine (BAP), kinetin (Kin) and indole 3 acetic acid (IAA). The combination NAA+BAP+IAA (2.0 mg L-1 each) was optimal for callus induction, producing 611 embryoids in a 16 h photoperiod (33.8 µmol m-2 s-1) when subcultured every 45 d on the same medium. This conditions allowed for complete plantlet development. In approximately three months, plantlets achieved 4-5 cm in a V&W medium supplemented with BAP (2 mg L-1), AIA (1 mg L-1) and 0.2 % activated charcoal; after 30 d plantlets were acclimatized in a greenhouse with 95 % survival rate.

Publish date

2010

Publication type

Article

Publication version

Published Version

Format

application/pdf

Source

Revista Fitotecnia Mexicana, 33(4), 323-332, 2010

Language

Spanish

Relation

&

Santana Buzzy, N. (2010). A protocol of somatic embryogenesis for the in vitro regeneration and characterization of Laelia anceps ssp. Dawsonii. Revista Fitotecnia Mexicana, 33(4), 323-332.

Citation suggestion

Lee Espinosa, H. E., Laguna Cerda, A., Murguia Gonzalez, J., Iglesias-Andreu, L., Garcia Rosas, B., Escobedo Lopez, D., ...

Source repository

Repositorio Institucional CICY

Downloads

105

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