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Volume 7, Issue 2, April Issue - 2019, Pages:138-147

Authors: R. Devadas, R. K. Pamarthi, A. L. Meitei, S. L. Pattanayak, R. Sherpa
Abstract: Popularly known nun orchid or swamp orchid (Phaius sps.) is listed as endangered species under Schedule-I of Indian Wild Life (Protection) Act, 1972. Natural Phaius hybrids were not reported and present study is an attempt to develop a new Phaius species by using two native species viz., Phaius tankervilleae (Banks ex l’Heritier) Bl and Phaius flavus (Blume) Lindl. Result of present study suggests crossability and compatibility between these two species which helped in synthesize novel hybrid species. New Phaius hybrid produced flowers with dominating yellow-orange colour (RHS 17B/A) sepals and petals are bright crimson colour (RHS 175B) with elongated stripes on lip inside. First flowering of Phaius cross progenies (PBX-11-22) was observed in Jan-Mar, 2017 with regular flowering habit in consecutive seasons. Comparison with parents indicated distinct nature in floral attributes. Unlike Phaius flavus, the sepals and petals of novel progenies have spreading nature. Flower size varies from 7-8 x 8.5-9 cm with mild fragrance on shiny and warm days. Sequential flowering in acropetal fashion with 8-10 florets observed on moderately strong spike with potted vase life > 40 days.
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