Journal ArticleDOI
In vitro multiplication and ecorehabilitation of the endangered Blue Vanda
S. Seeni,P. G. Latha +1 more
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Rapid multiplication of endangered Vanda coerulea Griff ex.Abstract:
Rapid multiplication of endangered Vanda coerulea Griff ex. Lindl. (Orchidaceae) was achieved through culture of shoot tips of mature plants, shoot tips and leaf bases of 8-month-old axenic seedlings on Mitra et al. (1976) medium supplemented with 10% coconut water, 500 mg1-1 casein hydrolysate and a combination of 8.8 μM benzyladenine and 4.1 μM napthaleneacetic acid (NAA). Shoot tips (0.5 – 0.8 cm) cultured in both agar and agitated liquid media responded alike with direct formation of 3–12 shoot buds in 12 weeks, while callus-free formation of 3–8 protocorm-like bodies (PLBs) in 4–8 weeks was noticed in seedling leaf base segments (1.0–1.5 cm). Formation of new buds or PLBs, rapid growth of buds into shoots and emergence of shoots from PLBs occurred when the explants with proliferating buds / PLBs were subcultured in medium enriched with 35 g 1-1 banana pulp, 30% coconut water and 1.08 μM NAA. A maximum of 70 and 100 shoots of varied length were obtained from a single shoot tip/leaf base explant after 30 weeks of culture. Rooting of shoots (3.0–4.0 cm) occurred in medium containing 35 g 1-1 banana pulp and 1.08 μM NAA within 3–4 weeks. Rooted plants were established easily (95–100%) in community pots without hardening. The regenerated plants were cytologically stable (2n = 38). They were free from morphological, growth and flowering abnormalities. Eighty-five community potted plants were reintroduced into alien forest habitats at Ponmudi and Palode in southern ranges of the Western Ghats. They established at 70–80% rate.read more
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Journal ArticleDOI
Micropropagation of orchids: A review on the potential of different explants
TL;DR: This work endeavours to include the major investigations on explant-based orchid tissue culture starting from the pioneering works of Rotor and Wimber to date to date.
Journal ArticleDOI
Seed germination and tissue culture of Cymbidium giganteum Wall. ex Lindl.
TL;DR: Although protocorms proliferated profusely in liquid medium, these did not develop further unless transferred to agar-solidified medium within 6–8 weeks, and well-rooted plants were transferred to the greenhouse with 95% survival.
Journal ArticleDOI
Asymbiotic seed germination, seedling development and reintroduction of Paphiopedilum wardii Sumerh., an endangered terrestrial orchid
Songjun Zeng,Kunlin Wu,Jaime A. Teixeira da Silva,Jianxia Zhang,Zhilin Chen,Nian-He Xia,Jun Duan +6 more
TL;DR: Paphiopedilum wardii Sumerh is an endangered tropical terrestrial orchid threatened with extinction due to over-collection and loss of suitable habitats and asymbiotic germination provides a useful way to re-establish plants in the wild (conservation) and for commercial propagation.
BookDOI
Protocols for In Vitro Propagation of Ornamental Plants
S. Mohan Jain,Sergio J. Ochatt +1 more
TL;DR: An efficient protocol to obtain Anthurium andreanum cv Rubrun vitro plants through micropropagation and organogenesis and a detailed method for the histological analysis of callus tissue and a vitro plants acclimatization protocol is described.
Journal ArticleDOI
Efficient Regeneration of Vanda Coerulea, an Endangered Orchid Using Thidiazuron
TL;DR: Efficient shoot regeneration of Vanda coerulea was achieved using thin shoot tip sections and thidiazuron and the highest percentage of protocorm-like bodies (95%) survived and ultimately produced healthy shoots with 2 – 3 leaves when subjected to a 4 week thid Diazuron treatment.
References
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Book
Micropropagation of Orchids
Joseph Arditti,Robert Ernst +1 more
TL;DR: This book discusses the origins of Orchid Micropropagation, its applications, and some of the sources of Supplies, Equipment, Terms, and Reagents, as well as methods for specific Genera for Specific Genera.
Journal ArticleDOI
An in vitro method for rapid regeneration of a monopodial orchid hybrid Aranda Deborah using thin section culture.
TL;DR: A thin section culture system for rapid regeneration of the monopodial orchid hybrid Aranda Deborah has been developed and more than 80,000 plantlets could be produced from thin sections obtained from a single shoot tip in a year as compared to nearly 11, thousands plantlets produced by the conventional shoot tip method.
Journal ArticleDOI
The role of tissue culture in preserving threatened and endangered plant species
TL;DR: Preliminary work with several species of Pediocactus shows great promise for the application of micropropagative technology for germplasm preservation and tissue culture.
Journal ArticleDOI
Foliar regeneration of the endangered Red Vanda, Renanthera imschootiana Rolfe (Orchidaceae)
S. Seeni,P. G. Latha +1 more
TL;DR: Foliar meristem culture appears to have great potential for ex situ conservation and propagation of this extremely endangered orchid.
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