期刊
MYCORRHIZA
卷 24, 期 1, 页码 35-43出版社
SPRINGER
DOI: 10.1007/s00572-013-0510-2
关键词
Orchid mycorrhiza; Seed germination; Dark septate endophytes; Conservation
资金
- Concejo Nacional de Investigaciones Cientificas y Tecnicas
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.
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