This unusual group of orchids offers fascinating, waxy flowers that often have the peculiar habit of discharging their pollen masses (pollinia) onto pollinators. Almost always deciduous, the pseudobulbous plants have strict growing and resting periods. Most flower before entering a dormant period when they drop their leaves.
(Rlc. Tassie Barbero x Rlc. Kuan-Miao Chen)
Large (up to 5 inches across) fragrant yellow flowers (2- 3 per spike) with a deep red-scarlet lip that itself is large, wide and frilly. Reliable late summer bloomer. Easy to grow full-sized plant.
(Oncostele Rustic Bridge x Oncidium Crowborough (1965))
Colmanara Wildcat is an intergeneric hybrid between two other hybrids; Odontonia (Miltonia x Odontoglossum) and Odontocidium (Oncidium x Odontoglossum).
Ricardo Tadeu de Faria*; Luciana do Valle Rego; Anderson Bernardi and Hugo Molinari
Departamento de Agronomia da Universidade Estadual de Londrina. Caixa Postal 6001, Cep 86051-970, Londrina - PR, Brazil
Two native Brazilian orchid especies, Oncidium baueri and Maxillaria picta, were grown in different substrate mixtures. The plants were cultivated in ceramic pots in a greenhouse with 50% of shadind light and watered three times a week. The following substrates were used: 1) de-fibered xaxim; 2)xaxim cubes; 3) vermiculite; 4) carbonized rice husk; 5) charcoal; 6) charcoal + carbonized rice husk; 7) crocks; 8) vermiculite and charcoal; 9) vermiculite + carbonized rice husks; 10) extruded polystyrene + charcoal; 11) pine bark + charcoal + extruded polystyrene; 12) vermiculite + carbonized rice husks + extruded polystyrene + charcoal; 13) pine bark. The substrate ratio was 1:1 in the mixture. NPK 10-10-10 leaf fertilizer was applied every thirty days and castor bean cake and bone powder organic fertilizer were applied every ninety days. A randomized complete block design was used with 10 replications. Growth and rooting were assessed after eight months. The best alternative substrate to O. baueri was vermiculie and the best alternatives substrates to M. picta were vermiculite and charcoal and vermiculite + carbonized rice husks.
Key words: Orchidaceae, Maxillaria picta, Oncidium baueri, growing media
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