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Srivastava, Amber
- Micropropagation of Pittosporum eriocarpum Royle-An Endangered and Endemic Medicinal Tree of North-West Himalaya
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Authors
Affiliations
1 Botanical Survey of India, Northern Regional Centre, Dehradun, Uttarakhand, IN
1 Botanical Survey of India, Northern Regional Centre, Dehradun, Uttarakhand, IN
Source
Indian Forester, Vol 142, No 8 (2016), Pagination: 769-773Abstract
Pittosporum eriocarpum (Pittosporaceae), commonly known as agni, is an endangered and endemic species of North-West Himalaya and facing a grim situation in the wild. Bark of the species is widely used for the preparation of traditional medicines for the treatment of narcotic, expectorant, bronchitis as well. Microprogation of the species has been carried out by using the shoot tip explant and 93.54% shooting was reported in MS medium supplemented with BAP (5.7 μM) and NAA (1.59 μM) with 24.6 average number of shoots and 5.8 cm shoot length. The in vitro regenerated shoots were shifted to the ischolar_maining medium and quarter-strength basal MS medium fortified with IBA (7.3μM) was observed as the optimum medium for the ischolar_main induction and 95.78% ischolar_maining was reported with 17.4 average numbers of ischolar_mains and 3.6 cm ischolar_main length. After proper development of ischolar_mains (3 weeks) with average ischolar_main length 3.6 cm, 50 plantlets were washed properly and shifted to polythene bags containing mixture of vermiculite and soil (1:1w/v) and maintained in the green house. Initially the pots were covered by the transparent polythene bags to ensure the required humidity content and watered with 1/4 modified Hoagland's solution on alternate day. These acclimatized plants were transferred to the field with survival rate of about 84%.Keywords
Conservation, Pittosporum eriocarpum, Narcotic, Expectorant, Bronchitis, Micropropagation, Vermiculite.
- Commercialization–A Suggested Approach for Conserving a Threatened Fern, Pteris tricolor Linden
Abstract Views :257 |
PDF Views:84
Authors
Sachin Sharma
1,
Bhupendra Singh Kholia
1,
Amit Kumar
2,
Amber Srivastava
1,
Surendra Singh Bargali
3
Affiliations
1 Botanical Survey of India, Northern Regional Centre, Dehradun 248 195, IN
2 Wildlife Institute of India, Chandrabani, Dehradun 248 001, IN
3 Department of Botany, Kumaun University, Nainital 263 001, IN
1 Botanical Survey of India, Northern Regional Centre, Dehradun 248 195, IN
2 Wildlife Institute of India, Chandrabani, Dehradun 248 001, IN
3 Department of Botany, Kumaun University, Nainital 263 001, IN
Source
Current Science, Vol 116, No 11 (2019), Pagination: 1790-1792Abstract
A globally threatened and variegated fern, Pteris tricolor Linden, is listed under different threat categories of the International Union for Conservation of Nature and Natural Resources (IUCN)1. It has a restricted distribution in far North East India, Myanmar and Yunnan province of China2,3. Its discovery, however, was accidental; Linden4 found this species growing spontaneously in the Malaccan orchid consignment at his nursery in Bruxelles (Brussels), Belgium, and described it as a new species with accurate, spectacularly coloured illustration (also reproduced by Fraser-Jenkins5). Its Malaccan origin4,6–9 is rejected because till date it has not been reported from there. Later, it was postulated that it has more likely come from Myanmar10, or alternatively from China or NE India; but in all three countries it is a rare species.Full Text
References
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