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Medhi, R. P.
- Genetic Resources of Orchids in Andaman and Nicobar Islands
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Indian Forester, Vol 132, No 6 (2006), Pagination: 700-706Abstract
Andaman and Nicobar Islands have a vast variety of orchids. There are about 138 orchids distributed in different Islands. Many of the species found here are rare and threatened. Four genera viz., Grossourdya, Macropodanthus, Malleola and Plocobglottis from these islands have so far not been reported from any other parts of India.
- Contribution to the Fern Flora of South Andaman
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Indian Forester, Vol 132, No 7 (2006), Pagination: 834-840Abstract
Pteridophytes considered to be a vast group which constitute an important component of forest vegetation. Earlier report had enumerated around 50 species of ferns from South Andaman. In this paper some new species are included which are found in South Andaman.- Interspecific Hybrid Developed in Epidendrum Orchid from the Cross E. radicans Pav. Ex. Lindl. X E. xanthinum Lindl.
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Affiliations
1 NRC for Orchids, ICAR, Pakyong, Sikkim-737 016, IN
1 NRC for Orchids, ICAR, Pakyong, Sikkim-737 016, IN
Source
Journal of Horticultural Sciences, Vol 5, No 2 (2010), Pagination: 144-147Abstract
An interspecific Epidendrum hybrid was developed using E. radicans (known as 'fire star orchid', 'ground-ischolar_mained orchid') as female parent and E. xanthinum known as 'yellow orchid' as male parent. The selected line (NRCO Epidendrum cross/2005-01) was characterized for morphological and floral traits. Flower size (3.5 cm x 3.4 cm) of selected line was bigger than both parents, with bright saffron-orange colour (RHS 44A). Dorsal sepal size (1.8 cm x 0.6 cm), lateral sepal size (1.9 cm x 0.7 cm), petal size (1.8 cm x 0.6 cm), lip size (2.3 cm x 2 cm) and column size (1.1 cm x 0.2 cm) were bigger than in parents. Shape and fimbriated side lobes of lip with deep cleft of anterior margins was similar to the male parent (E. xanthinum), except colour. The F1 progeny of 'NRCO-Epidendrum cross/2005-01' flowered with different red-orange to yellow shades is categorized broadly into three types: Red-orange, Orangeyellow and Yellow. Epidendrums are popularly known as 'Crucifix orchid' and 'Poor man's orchid', have a long flowering period with 2-3 flowerings in a year, and are easy to multiply. These attributes are ideal for popularizing this plant in India as a potted plant as well garden plant.Keywords
Epidendrum Hybrids, Interspecific Hybridization, Epiphytes, Fimbriated Lip, Clefted Anterior Lobe.Full Text