EVALUATION OF SOME ONCIDIUMHYBRIDS AT SIKKIM HIMALAYA

Oncidiumconsists of 750 species of sympodial epiphytic orchids from America, Mexico and Argentina. Hybridization of Oncidiumorchids with Brassia orchids, Miltonia orchids and Odontoglossum orchids resulting in an Oncidium orchid that has some warmth toleranceand beautiful flowers. Hybrids and some commercial species are used for cut flowers, hanging baskets and potted plants. The present investigation was carried out with 8 hybrids of Oncidium orchids which were grown with recommended package of practices under greenhouse condition. Observations were taken on 60 morphological characteristics which could be used in future for crop improvement programme for developing new Oncidium hybrids.