Saiprasad, G.V.S. and Raghuveer, P. 2007. Influence of Ethylene Inhibitors and Ethrel on Production of Protocorm Like Bodies in Orchid-Dendrobium ’Sonia’. Journal of Horticultural Sciences. 2, 1 (Jun. 2007), 13–18. DOI:https://doi.org/10.24154/jhs.v2i1.631.