2019
DOI: 10.1590/2175-7860201970014
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In vitro culture and acclimatization of Cattleya xanthina (Orchidaceae), an endangered orchid of the Brazilian Atlantic Rainforest

Abstract: Cattleya xanthina is a Neotropical orchid endemic to the Brazilian Atlantic Rainforest, at high risk of extinction. In this paper, we investigated the effects of different culture media on C. xanthina as well as on their endogenous nitrogen status. Culture media studied: Knudson C (KC), Vacin and Went (VW), and Murashige and Skoog (MS), the latter used at two different concentration (full and half-strength; MS/2). After 180 days, plants were transferred to MS medium with different NAA and BA concentrations. In… Show more

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Cited by 11 publications
(11 citation statements)
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References 39 publications
(35 reference statements)
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“…The widest leaf blades were noted when plantlets were cultivated in vitro in the presence of IBA and acclimatized in a mixture of sphagnum moss and substrate for orchids (8.9 mm), in comparison to those cultivated in the presence of IAA and planted into the same type of substrate (7.4 mm). The positive effect of sphagnum moss was observed by Suradinata et al [ 38 ] in Dendrobium Indii × Dendrobium stratiotes and Dendrobium sylvanum , as well as by Juras et al [ 39 ] in Cattleya xanthina . The negative influence of sphagnum moss on the studied feature was noted by Trelka et al [ 23 ] in Phalaenopsis ‘Springield’ and ‘Zagreb’.…”
Section: Resultsmentioning
confidence: 86%
See 1 more Smart Citation
“…The widest leaf blades were noted when plantlets were cultivated in vitro in the presence of IBA and acclimatized in a mixture of sphagnum moss and substrate for orchids (8.9 mm), in comparison to those cultivated in the presence of IAA and planted into the same type of substrate (7.4 mm). The positive effect of sphagnum moss was observed by Suradinata et al [ 38 ] in Dendrobium Indii × Dendrobium stratiotes and Dendrobium sylvanum , as well as by Juras et al [ 39 ] in Cattleya xanthina . The negative influence of sphagnum moss on the studied feature was noted by Trelka et al [ 23 ] in Phalaenopsis ‘Springield’ and ‘Zagreb’.…”
Section: Resultsmentioning
confidence: 86%
“…A negative influence of sphagnum moss used alone was noted in the presented experiment, which confirms the data obtained by Alves and Smozinski [ 37 ] in Epidendrum ibaguense , or Trelka et al [ 23 ] in Phalaenopsis ‘Springfield’ and ‘Zagreb’. On the other hand, the positive effect of sphagnum moss was noted in the studies of Suradinata et al [ 38 ] in Dendrobium Iindii × Dendrobiium stratiotes and Dendrobium sylvanum , as well as Juras et al [ 39 ] in Cattleya xanthina . The lowest number of leaves was observed in plants that had been cultivated in vitro in the presence of IAA and then grown in the substrate for orchids (3.0).…”
Section: Resultsmentioning
confidence: 99%
“…Dewir et al (2019) on Dracaena ombet found that 100% rooting was obtained using half strength MS medium supplemented with 0.5 or 1 mg/l IBA. Juras et al (2019) on Cattleya xanthina showed that the highest concentration of auxin (0.11 ppm NAA) stimulated root development and the production of photosynthetic pigments.…”
Section: Al (2018) On Codiaeum Variegatum In Vitromentioning
confidence: 99%
“…Dewir et al (2018) on Conocarpus erectus found that the type and concentration of applied cytokinins had a significant effect on shoot proliferation responses, and supplementation with BAP increased the rate of shoot proliferation compared with other cytokinins. Juras et al (2019) on Cattleya xanthina showed that a higher concentration of cytokinin (0.50 ppm BA) promoted protein synthesis and the development of shoots. Ghareeb and Taha (2018) found that during the multiplication stage of Antigonon leptopus explants, the highest number of shootlets/explant were obtained when 1.0 mg/l of BAP was added to MS medium.…”
Section: Multiplication Stagementioning
confidence: 99%
“…However, many orchid species are threatened due to deforestation and predatory collection in their natural habitats, making it essential to utilize techniques for mitigating this problem. One of these is in vitro cultivation that allows a high germination percentage in a short period, thus contributing to the conservation of native or threatened species (Juras et al, 2019).…”
Section: Introductionmentioning
confidence: 99%