2015
DOI: 10.1007/s00299-015-1829-2
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Asymbiotic in vitro seed propagation of Dendrobium

Abstract: The ability to germinate orchids from seeds in vitro presents a useful and viable method for the propagation of valuable germplasm, maintaining the genetic heterogeneity inherent in seeds. Given the ornamental and medicinal importance of many species within the genus Dendrobium, this review explores in vitro techniques for their asymbiotic seed germination. The influence of abiotic factors (such as temperature and light), methods of sterilization, composition of basal media, and supplementation with organic ad… Show more

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Cited by 47 publications
(34 citation statements)
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“…Asymbiotic germination involves the in vitro inoculation and germination of orchid seeds with the aid of a sucrose-containing culture medium [18,19], under conditions free of microorganisms; including those symbionts that assist in germination, especially under natural conditions, a technique known as symbiotic germination, which can be done in vitro [19,20], ex vitro, or in situ and which, unlike asymbiotic, considers the use of symbiotic microorganisms to assist in the germination and early development of newly germinated seedlings, and lacking nutritional reserves to support early seedling development [20,21].…”
Section: Introductionmentioning
confidence: 99%
“…Asymbiotic germination involves the in vitro inoculation and germination of orchid seeds with the aid of a sucrose-containing culture medium [18,19], under conditions free of microorganisms; including those symbionts that assist in germination, especially under natural conditions, a technique known as symbiotic germination, which can be done in vitro [19,20], ex vitro, or in situ and which, unlike asymbiotic, considers the use of symbiotic microorganisms to assist in the germination and early development of newly germinated seedlings, and lacking nutritional reserves to support early seedling development [20,21].…”
Section: Introductionmentioning
confidence: 99%
“…Using these principles, this review seeks to find how disinfection procedures have been used to prepare in vivo-derived plant material for in vitro culture in Dendrobium since the in vitro environment serves as an important tool for multiple biotechnological advances, symbiotic and asymbiotic seed germination, and molecular advances, including genetic transformation (Teixeira da Silva et al 2015aSilva et al , 2015bSilva et al , 2015c.…”
mentioning
confidence: 99%
“…A observação da Figura 1 permite inferir que mesmo a condição de luz sendo um dos fatores que interferem na eficiência do cultivo in vitro (Teixeira da Silva et al, 2015), neste experimento, o espectro de luz não foi determinante para o crescimento do denphal. E, que a utilização de frascos menores pode ter ocasionado superpopulação de indivíduos no frasco de cultivo, o que, como relatado por Soares et al (2017), pode acarretar no esgotamento das reservas nutritivas dos meios de cultura, promovendo o lento desenvolvimento ou até mesmo na morte das estruturas vegetais formadas.…”
Section: /7unclassified
“…Para a multiplicação de várias espécies vegetais, incluindo as orquídeas, são utilizadas técnicas de cultivo in vitro, consideradas como ferramenta biotecnológica importante na obtenção de plantas, tanto para a pesquisa e preservação das espécies, quanto para a produção em escala comercial (Cardoso, 2014). Dentre essas técnicas, destaca-se a germinação assimbiótica, que pode resultar em elevados percentuais de germinação, sendo considerada uma alternativa viável e relevante para produção desse gênero de orquídea (Teixeira da Silva et al, 2015).…”
Section: Introductionunclassified
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