Micropropagation of Withania frutescens

One way to recover reduced or extinct plant populations in the Balearic Islands

Aurora M. Castilla, Geert Olyslaegers, Alberto Gosá, Rita Henriques, Jean Pierre Verbelen

Research output: Contribution to journalArticle

Abstract

We established a rapid and inexpensive micropropagation protocol for the Solanaceae plant Withania frutescens in order to produce a large stock of plant material that can be used for conservation and research programs. This plant has an important ecological value but it has a restricted distribution in the Balearic archipelago (Mediterranean, Spain). Shoot tips and internodia were cultured on Murashige and Skoog (MS) medium supplemented with different auxins and cytokinins. The best medium producing shoot induction, was the control MS with no growth regulators added (94 %). This is very convenient due to the associated advantage of reduction in production costs. Production of roots was best (75 %) on the MS supplemented with indol butiric acid (IBA). The combination of NAA and BAP produced the highest mortality (38 %) of explants. Withania frutescens was successfully regenerated in vitro from nodal shoot segments excised from young seedlings. Acclimatization and survival of plantlets was very high (100 %). The results of our study will allow producing a stock of plant material in short time and that can be used for conservation and research programs in order to maintain the natural diversity of plants in the small islands of the Balearic archipelago.

Original languageEnglish
Pages (from-to)67-74
Number of pages8
JournalBolleti de la Societat d'Historia Natural de les Balears
Volume54
Publication statusPublished - 2011

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shoot
research program
archipelago
growth regulator
neutron activation analysis
production cost
acclimation
plant population
seedling
mortality
acid
material
protocol
distribution
young

Keywords

  • Conservation
  • Islands
  • Micropropagation
  • Nodal explants
  • Rare plants
  • Tissue culture
  • Withania frutescens

ASJC Scopus subject areas

  • Geology
  • Ecology

Cite this

Micropropagation of Withania frutescens : One way to recover reduced or extinct plant populations in the Balearic Islands. / Castilla, Aurora M.; Olyslaegers, Geert; Gosá, Alberto; Henriques, Rita; Verbelen, Jean Pierre.

In: Bolleti de la Societat d'Historia Natural de les Balears, Vol. 54, 2011, p. 67-74.

Research output: Contribution to journalArticle

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