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Abstract:

Aa achalensis is an endangered terrestrial orchid endemic from Argentina. In vitro symbiotic seed germination was evaluated for its propagation. Five different fungal strains were isolated from this species: two Rhizoctonia-like related to Thanatephorus cucumeris and three ascomicetaceous fungi belonging to Phialophora graminicola and one to an uncultured Pezizaceae. All five isolates promoted seed germination being one T. cucumeris strain the most effective. After 16 weeks of growth, 30 % of A. achalensis protocorms developed until seedlings with two/four leaves in this treatment. These findings open an opportunity to the knowledge and preservation of this species. © 2013 Springer-Verlag Berlin Heidelberg.

Registro:

Documento: Artículo
Título:Symbiotic seed germination and protocorm development of Aa achalensis Schltr., a terrestrial orchid endemic from Argentina
Autor:Sebastián, F.; Vanesa, S.; Eduardo, F.; Graciela, T.; Silvana, S.
Filiación:Centro Regional de Investigaciones Científicas y Transferencia Tecnológica, CRILAR- CONICET, Entre Ríos y Mendoza, 5301 Anillaco, La Rioja, Argentina
Departamento de Biodiversidad y Biología Experimental, Universidad de Buenos Aires (UBA), Ciudad Universitaria, 4to piso Pabellón 2, 1428 Buenos Aires, Argentina
Ins. de Botanica del Nordeste (CONICET-Consejo Nacional de Investigaciones Cientificas y Tecnicas), UNNE-Universidad Nacional del Nordeste, CC 209, 3400 Corrientes, Argentina
Instituto de Botánica Darwinion, Labardén 200, San Isidro, B1642HYD Buenos Aires, Argentina
Palabras clave:Conservation; Dark septate endophytes; Orchid mycorrhiza; Seed germination; conservation; endemic species; germination; mycorrhiza; plant; seed; seedling; strain; Argentina; Aa achalensis; Fungi; Gaeumannomyces cylindrosporus; Hyphomycetes; Orchidaceae; Pezizaceae; Rhizoctonia; Thanatephorus cucumeris; ribosomal spacer DNA; Argentina; article; classification; genetics; germination; microbiology; molecular genetics; mycorrhiza; nucleotide sequence; Orchidaceae; phylogeny; physiology; plant root; plant seed; Argentina; DNA, Ribosomal Spacer; Germination; Molecular Sequence Data; Mycorrhizae; Orchidaceae; Phylogeny; Plant Roots; Seeds
Año:2014
Volumen:24
Número:1
Página de inicio:35
Página de fin:43
DOI: http://dx.doi.org/10.1007/s00572-013-0510-2
Título revista:Mycorrhiza
Título revista abreviado:Mycorrhiza
ISSN:09406360
CODEN:MCORE
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09406360_v24_n1_p35_Sebastian

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Citas:

---------- APA ----------
Sebastián, F., Vanesa, S., Eduardo, F., Graciela, T. & Silvana, S. (2014) . Symbiotic seed germination and protocorm development of Aa achalensis Schltr., a terrestrial orchid endemic from Argentina. Mycorrhiza, 24(1), 35-43.
http://dx.doi.org/10.1007/s00572-013-0510-2
---------- CHICAGO ----------
Sebastián, F., Vanesa, S., Eduardo, F., Graciela, T., Silvana, S. "Symbiotic seed germination and protocorm development of Aa achalensis Schltr., a terrestrial orchid endemic from Argentina" . Mycorrhiza 24, no. 1 (2014) : 35-43.
http://dx.doi.org/10.1007/s00572-013-0510-2
---------- MLA ----------
Sebastián, F., Vanesa, S., Eduardo, F., Graciela, T., Silvana, S. "Symbiotic seed germination and protocorm development of Aa achalensis Schltr., a terrestrial orchid endemic from Argentina" . Mycorrhiza, vol. 24, no. 1, 2014, pp. 35-43.
http://dx.doi.org/10.1007/s00572-013-0510-2
---------- VANCOUVER ----------
Sebastián, F., Vanesa, S., Eduardo, F., Graciela, T., Silvana, S. Symbiotic seed germination and protocorm development of Aa achalensis Schltr., a terrestrial orchid endemic from Argentina. Mycorrhiza. 2014;24(1):35-43.
http://dx.doi.org/10.1007/s00572-013-0510-2