Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/69222
標題: Asymbiotic germination of immature seeds, plantlet development and ex vitro establishment of plants of Dendrobium tosaense Makino - A medicinally important orchid
作者: Lo, S.F.
Nalawade, S.M.
Kuo, C.L.
Chen, C.L.
Tsay, H.S.
關鍵字: asymbiotic seed germination;conservation;Dendrobium tosaense;hand;pollination;in vitro propagation;medicinal herb;Orchidaceae, seed;germination;western-european orchids;rhizobium orchidaceae;anatomy;culture;weight
Project: In Vitro Cellular & Developmental Biology-Plant
期刊/報告no:: In Vitro Cellular & Developmental Biology-Plant, Volume 40, Issue 5, Page(s) 528-535.
摘要: 
Shi-hu (Dendrobium spp. or Dendrobii Herba) is one of the important traditional Chinese medicines. The commercially available crude drug in the traditional medicine market is composed mainly of three species: Dendrobium tosaense, D. nobile, and D. moniliforme. An efficient method of propagation has been developed via asymbiotic germination of seeds in vitro for the medicinally important D. tosaense. Seeds from capsules of D. tosaense collected 8-14 wk after artificial pollination germinated after being cultured on full-strength or half-strength Murashige and Skoog (MS) medium devoid of plant growth regulators and with 3% sucrose. Germination of seeds varied with the medium type and seed maturity. Germinated seedlings after transfer to MS medium with 1.5% sucrose and 8% banana homogenate or potato juice or coconut water and 20 wk of incubation developed into healthy plantlets. Well-developed plantlets were transplanted to moss or moss and tree fern or tree fern as substrates in plastic trays and transferred to a greenhouse for hardening. All plants survived, attained maturity, and developed normal flower and capsule after one and a half years. This protocol of successful plant regeneration by asymbiotic seed germination should permit rapid propagation and conservation of this medicinally important Dendrobium species.
URI: http://hdl.handle.net/11455/69222
ISSN: 1054-5476
DOI: 10.1079/ivp2004571
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