2011
DOI: 10.1590/s0102-05362011000300011
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Influência da qualidade de luz e silício no crescimento in vitro de orquídeas nativas e híbridas

Abstract: Objetivou-se avaliar a influência do ambiente de cultivo e de concentrações de silicato de cálcio no crescimento in vitro de uma espécie nativa de orquídea (Brassavola perrine) e de um híbrido [(Laelia cattleya Culminant "Tuilerie" x Laelia cattleya Sons Atout Rotunda) x Brassolaelia cattleya Startifire Moon Beach]. Plântulas oriundas de sementes germinadas in vitro com aproximadamente 0,5 cm de comprimento foram inoculadas em frascos com capacidade para 250 mL contendo 60 mL de meio de cultura MS, acrescido d… Show more

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Cited by 17 publications
(10 citation statements)
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“…Similar results were also observed by Braga et al (2009) working with strawberry in vitro. However, unlike the results of the present study, Pasqual et al (2011), working with orchids in vitro, found a greater number of sheets with the use of calcium silicate. Moreover, Asmar et al (2011), working with in vitro banana, and Oliveira et al (2013), working with ornamental sunflower, found no differences in the number of leaves when applying sodium silicate and calcium.…”
Section: Resultscontrasting
confidence: 99%
“…Similar results were also observed by Braga et al (2009) working with strawberry in vitro. However, unlike the results of the present study, Pasqual et al (2011), working with orchids in vitro, found a greater number of sheets with the use of calcium silicate. Moreover, Asmar et al (2011), working with in vitro banana, and Oliveira et al (2013), working with ornamental sunflower, found no differences in the number of leaves when applying sodium silicate and calcium.…”
Section: Resultscontrasting
confidence: 99%
“…However, Asmar et al (2011) did observe significant differences in the number of leaves in plantlets of banana tree cultivar Maçã grown on media containing sodium silicate, potassium silicate, and calcium silicate. Pasqual et al (2011) reported that in two orchid species (native and hybrid), the number of leaves decreased as the calcium silicate concentration increased. This observation may be explained by the fact that an excess of all nutrients causes a nutritional imbalance and leads to deficiencies or overaccumulation of nutrients (Malavolta, 2006).…”
Section: Number Of Leavesmentioning
confidence: 99%
“…According to Santos et al (2011), propagation by plant tissue cultivation enables large-scale production of plants with high agronomic quality in any season because it achieves the maximum utilization of the vegetative propagule in a short time period.…”
Section: Introductionmentioning
confidence: 99%
“…Of great value and appreciation by the general population, the orchids are known for its beautiful flowers and the genetic recombination ability (Pasqual, 2011). However, the taxonomic classification of the Orchidaceae family is not well defined (Oliveira, 2010).…”
Section: Introductionmentioning
confidence: 99%