In Vitro Conservation of Some Threatened and Economically Important Ferns Belonging to the Indian Subcontinent

Figure 2

In vitro established cultures of some threatened and economically important ferns. (a) Regeneration of Nephrolepis biserrata through stolon explants, (b) acclimatization of the in vitro-raisedplantlets of N. biserrata, (c) transplantation of the plantlets of N. biserrata in fernery of CSIR-NBRI, Lucknow, (d) organogenesis in N. cordifolia cv. “duffii,” (e) mass multiplication of Cyathea spinulosa through spore culture, (f) mass multiplication of C. spinulosa through spore culture via caulogenesis through excised pieces of sporophytes, (g) transplantation of in vitro-raised plantlets of C. spinulosa, in the fern house, (h) callus induction in Pteris vittata, (i) regeneration of leaflet in the callus culture of P. vittata, (j & k) in vitro-raised plantlets of P. vittata growing in the fern house condition, (l) GGBs in P. vittata culture, (m) callus culture of Pityrogramma calomelanos, (n) organogenesis in Cyclosorus dentatus, and (o) organogenesis in Microsorum punctatum.