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Patiram , S. B. S. Bhadauria , R. C. Upadhyaya

Abstract

The traditional agricultural systems in the different climatic zones of sikkim have evolved over a long time scale within the historic period. The existing current practices of agroforestry in hill agriculture include large cardamom a plantation crop combination, bamboos all along the stream banks and drainage channel, fodder trees and grasses on terrace risers and wasteland, agri-horti system especially mandarin and intercrops and homestead gardening etc. Practically most of the adopted agroforestry land use systems require neither most costly external inputs nor complex technology. The traditional hill agriculture including horticulture, forestry and livestock together meet the demands of the local people food, fodder, fuel, fertilizer, fibre; timber, medicinal and commodity crops, and also giving some economic return. The indigenous trees are given to increase the over all Productivity on long term basis.

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R. Devadas ¹, R. C. Upadhyaya ¹, P. Khatiwara ¹

Affiliations
1 National Research Center for Orchids, ICAR, Pakyong, Sikkim-737 106, IN

Abstract

The orchid Renanthera imschootiana Rolfe is the only species under the genus available in India at Manipur and Nagaland, which is a part of Indo-Burma mega diversity hot-spot. The only collection, NRCO-Coll-77 (1998)/IC 566525 of this species available with us was evaluated and characterized as per 'Common Descriptors of Orchids' developed at this center. Monopodial nature in habit, un-branched raceme with a length of 32.2 cm having attractive dominant red-purple (RHS-60A) flowers and petals coloured grayed orange (RHS-164C) with shade is typical of this species. Broad, lateral sepals with attractive dominant crimson/red purple colour flower having medium-range vase life of 23.7 days, imparts high breeding value to this species for developing new hybrid derivatives.

Keywords

Renanthera imschootiana, Orchid.

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