Cultivo in vitro de Epidendrum nocturnum (Orchidaceae) ocorrente no Cerrado da região Centro-Oeste
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2016
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Orchids can be propagated in vitro in aseptic culture media or in symbiosis with mycorrhizal fungi. Epidendrum nocturnum occurs in areas of Cerrado and this study aimed to mycorrhizal fungi visualization in their roots and its asymbiotic growing their seedlings in different media and in vitro mycorrhization. In asymbiotic development was tested three culture in a test and, another test, alternative formulations of medium Knudson C modified with addition of fruit pulp. Mycorrhizal fungi orchids were used in in vitro mycorrhization. Pelotons were visualized in the roots of E. nocturnum. The medium Knudson C modified statistically different from the others, the two light intensities, in the first test. In the second test, after seven months, with the alternative formulation means were not statistically different from each other. In vitro mycorrhization plantlets with isolated fungal En07 (Waitea circinata) showed greater visual effect compared to other treatments, but there was no statistical difference with control. The media with alternative formulation and Knudson C modified can be used in vitro development of E. nocturnum, and the isolated fungal En07 can be used in order mycorrhization of this orchid conservation strategies.
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Orquídea, Desenvolvimento assimbiótico, Micorrização, Fungo, Orchid, Asymbiotic development, Mycorrhization, Fungus
Citação
SILVA, Carlos de Sousa et al. Cultivo in vitro de Epidendrum nocturnum (Orchidaceae) ocorrente no Cerrado da região Centro-Oeste. Rodriguésia, Rio de Janeiro, v. 67, n. 4, p. 1083-1091, 2016. DOI: 10.1590/2175-7860201667418. Disponível em: https://www.scielo.br/j/rod/a/JFd6Yg7zKX8hm4qtm6SzfwQ/?lang=pt. Acesso em: 22 abr. 2025.