1. Arditti, J. (1966). Orchids. Scientific American, 214 : 70 - 78.  https://doi.org/10.1038/scientificamerican0166-70

2. Arditti, J. (1982). Orchid seed germination and seedling culture - A manual. In: Orchid Biology: Reviews and Perspectives II. J. Arditti (ed.) pp.243-370. Cornell University Press, London.

Google Scholar

3. Arditti, J. and Ernst., R. (1984). Physiology of germinating Orchid seeds - A manual. In: Orchid Biology, Reviews and Perspectives II. J. Arditti (ed.) pp.177-222. Cornell University Press, London.

Google Scholar

4. Arditti, J. and Ernst., R. (1993). Micropropagation of Orchids. John Wiley and Sons Inc., New York.

Google Scholar

5. Arditti, J.; Clements, M.A.; Fast, G.; Hardley, G.; Nishimura, G. and Ernst., R. (1982). Orchid seed germination and seedlings culture - A manual. In: Orchid Biology, Reviews and Perspectives. J. Arditti (ed.)  Vol. II, pp. 243-370. Cornel University Press, Ithaca, New York.

6. Bernard, Noel. (1909). L’evolution dans la sumbiose les Orchides et leur champignons commensaux. Ann. Sci. Nat. Bot. 9 : 1 - 96.

Google Scholar

7. Burgeff, H. (1936). Samenkeimung der Orchideen. Gustav Fischer, Jena.

Google Scholar

8. Clements, M. (1982). Developments in the symbiotic germination of the Australian terrestrial Orchids. In: J.Stewart and C.N. van der Merwe (eds.) Proc. of the 10th World Orchid Conference. South African Orchid Council, Johannesburg.

Google Scholar

9. Clements, M.A. (1988). Orchid mycorrhizal associations. Lindleyana, 3 : 73 - 86.

Google Scholar

10. Clements, M.A.; Muir, H.; Cribb, P.J. (1986). A preliminary report on the symbiotic germination of European terrestrial Orchids. Kew Bull. 41 : 437 - 445.  https://doi.org/10.2307/4102957

Google Scholar

11. Colli, S. and Kerbauy, G. B. (1993). Direct root tip conversion of Catasetum into protocorm-like bodies. Effect of auxin and cytokinin. Plant, Cell, Tissue and Organ Culture, 33 : 39 - 44.  https://doi.org/10.1007/BF01997596

Google Scholar

12. Curtis, J. T. (1943). Germination and seedling development in five species of Cypripedium. Amer. J. Bot. 30 : 199 - 206.  https://doi.org/10.1002/j.1537-2197.1943.tb14748.x

Google Scholar

13. Curtis, J. T. and Nichol., M.A. (1948). Culture of proliferating Orchid embryos in vitro. Bull. Torrey Bot. Club, 75 : 358 - 73.  https://doi.org/10.2307/2560340

Google Scholar

14. Dixon, K. (1987). Raising terrestrial Orchids from seed. In: Modern Orchid Growing for Pleasure and Profit. W.K. Harris (ed.), pp. 47-100. Orchid Club of S. Australia, Inc., Adelaide, S. Australia.

Google Scholar

15. Ichihashi, S. (1979). Studies on the media for Orchid seed germination IV. Influence of the characteristics of some culture media on the growth of Orchid seedlings. J. Jap. Soc. Hort. Sci. 48: 345-52.  https://doi.org/10.2503/jjshs.48.345

Google Scholar

16. Intuwong, O. and Sagawa, Y. (1974). Clonal Propagation of Phalaenopsis by shoot tip culture. Am. Orchid Soc. Bull. 43 : 893 - 895.

Google Scholar

17. Kanase, A.; Sugimoto,Y.; Hirai, J.;  Oyamada, T.  and Takano, T. (1993). The processes involved in the histogenesis and organogenesis of Cymbidium protocorm-like bodies in vitro. In: Proc. Nagoya International Orchid Show. S. Ichihashi and S. Nagata (eds.) pp. 64-70. Organizing Committee NIOS’ 93, Nagoya, Japan.

Google Scholar

18. Kano, K. (1965). Studies on the media for Orchid seed germination. Mem. Fac.Agric. Kagawa Univ. 20:1-68.

Google Scholar

19. Kanzilal, B.D.; Sarkar, D.; Mitra, J.  and Dutta, K.B.  (1999). Stem disc culture: Development of rapid mass propagation method for Dendrobium moschatum (Buch.-Ham.) Swartz – An endangered Orchid. Curr.Sci. 77 (4) : 497 - 99.

Google Scholar

20. Knudson, L. (1946). A new nutrient solution for germination of Orchid seed. Amer. Orchid Soc. Bull. 15 : 214 - 17.

Google Scholar

21. Kuhn, L. (1982). Orchid propagation in the EYMC. Marie Selby Bot. Gard. Bull. 9 : 32 - 34.

Google Scholar

22. McKendrick, S. Lindsay. (2000). In vitro germination of Orchids: a manual. Ceiba Foundation for Tropical Conservation.

Google Scholar

23. Mitra, G.C. (1986). In vitro culture of Orchid seeds obtaining seedlings. In: Biology, Conservation, and culture of Orchids. S.P.Vij (ed.) pp. 401-12. Affiliated East West Press, New Delhi, India.

Google Scholar

24. Mitra, G.C.; Prasad, R.N. and Roychowdhury, A. (1976). Inorganic salts and differentiation of protocorms in seed callus of an Orchid and correlated changes in its free amino acid content. Indian J. Exp. Biol. 14 : 350 - 51.

Google Scholar

25. Murashige, T. and Skoog, F. (1962). A revised medium for rapid growth and bioassays with tobacco tissue cultures. Physiol. Plant. 15 : 473 - 97.  https://doi.org/10.1111/j.1399-3054.1962.tb08052.x

Google Scholar

26. Nitsch, J.P. (1969). Phytomorphology, 19 : 389.  https://doi.org/10.1017/S0009838800024848

Google Scholar

27. Prakash, D. and Chaudhary, M.L. (2001). In vitro multiplication of Orchids. In: Orchids: Science and Commerce. Pathak, P., R,N. Sehgal, N. Shekhar, M. Sharma and A. Sood (eds), pp. 363-381. Bishen Singh Mahendra Pal Singh, Publishers, Dehra Dun, India.

Google Scholar

28. Prasad, R.N. and Mitra, G.C. (1975). Nutrient requirements for germination of seeds and development of protocorms and seedlings of Cymbidium in aseptic cultures. Indian J. Exp. Biol. 13 : 123 - 26.

Google Scholar

29. Pathak, Promila; Mahant, K.C. and Gupta, Ashish (2001). In vitro propagation as an aid to conservation and commercialization of Indian Orchids: Seed culture. In: Orchids: Science and Commerce. Pathak, P., R.N. Sehgal, N. Shekhar, M. Sharma and A. Sood (eds), pp. 319-362. Bishen Singh Mahendra Pal Singh, Dehra Dun, India.

Google Scholar

30. Raghavan, V. and Torrey, J.G. (1963). Inorganic nitrogen nutrition of the embryos of the Orchid Cattleya. Amer. J. Bot. 50 :  617.

Google Scholar

31. Raghavan, V, and Torrey, J.G. (1964). Inorganic nitrogen nutrition of the embryos of the Orchid Cattleya. Amer. J. Bot. 51 : 264 - 74.  https://doi.org/10.1002/j.1537-2197.1964.tb06629.x

Google Scholar

32. Rasmussen, H.N. (1995). Terrestrial Orchids. From Seed to Mycotrophic Plant. Cambridge Univ. Press. Cambridge, U.K.  https://doi.org/10.1017/CBO9780511525452

Google Scholar

33. Roy, J. and Banerjee, N. (2002). Optimization of in vitro seed germination, protocorm growth and seedling proliferation of Vanda tessellata (Roxb.) Hook. Ex G. Don. Phytomorphology, 52 : 167 - 178.

Google Scholar

34. Sobhana, A. and Rajeevan, P.K. (1993). In vitro multiple shoot production in Dendrobium influenced by Cytokinins. J. Ornamental Hort. 2 : 1 - 5.

Google Scholar

35. Stewart, S.L. and Zettler, L.W. (2002). Symbiotic germination of three semi-aquatic rein Orchids (Habenaria repens, H. quinquiseta, H. macroceratitis) from Florida. Aquatic Botany, 72 : 25 - 35.  https://doi.org/10.1016/S0304-3770(01)00214-5

Google Scholar

36. Tanaka, M. and Sakanishi, Y. (1980). Clonal propagation of Phalaenopsis through tissue culture. Proc. 9th World Orchid Conference. pp. 215 - 221.

Google Scholar

37. Tanaka, M.; Kumura, M. and Goi, M. (1988). Optimal conditions for shoot production from Phalaenopsis flower-stalk cuttings cultured in vitro. Scientia Horticulturae, 35 : 117 - 126.  https://doi.org/10.1016/0304-4238(88)90043-X

Google Scholar

38. Thomale, H. (1954). Die Orchideen. Verlag Eugen Ulmer, Stuttgart.

39. Tisserat, B. and Jones, D. (1999). Clonal Propagation of Orchids. In: Methods in Molecular Biology Vol. II: Plant Cell Culture Protocols. R.D. Hall (ed.) pp. 127-134. Humana Press Inc. Totowa, NJ.  https://doi.org/10.1385/1-59259-583-9:127

40. Vacin, E.F. and Went, F.W. (1949). Some pH changes in nutrient solution. Bot. Gaz. 110 : 605 - 13.  https://doi.org/10.1086/335561

Google Scholar

41. Vij, S.P.; Sood, A. and Plaha, K.K. (1981). In vitro seed germination of some epiphytic Orchids. In: Contemporary Trends in Plant Sciences. S.C. Verma (ed.) pp.473-81. Kalyani Publishers, New Delhi, India.

Google Scholar

42. Wang, X. (1990). Studies on ontogenesis and flower induction of Cymbidium in vitro. In: Proc. NIOS’90, Nagoya (eds. T. Kimura, S. Ichihashi and H. Nagata). pp.77-85. Organising Committee, NIOS’90, Nagoya, Japan.

Google Scholar

43. Withner, C.L. (1959). Orchid Physiology. In: The Orchids – A Scientific Survey. C.L. Withner (ed.) pp. 315-60. Ronald Press, New York.

Google Scholar

44. Werckmeister, P. (1971). Light induction of geotropism and the control of proliferation & growth of Cymbidium in tissue culture. Bot. Gaz. 132:346-350.  https://doi.org/10.1086/336601

Google Scholar

45. Zettler, L.W. (1997). Orchid fungal symbiosis and its value in conservation. McIlvainea 13 : 40 - 45.

Google Scholar

46. Zettler, Lawrence W. (1997). Terrestrial Orchid conservation by symbiotic seed germination: Techniques and perspectives. Selbyana, 18 (2) :  188 -194.

Google Scholar