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Tomar, J. M. S.
- Bamboos and their Conservation in North-East India
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Indian Forester, Vol 135, No 6 (2009), Pagination: 817-824Abstract
Bamboo with its multifarious utility plays an important role in food and nutritional security of the tribal population in North-East India besides industrial value. Most of the tree improvement in bamboo is based on phenotypic selection followed by clonal multiplication. Since bamboo flowers rarely sexual propagation based improvement has limited success resulting in less variation. Hence creation of variation through tissue culture and molecular means have greater potential in bamboo. The depleting bamboo genetic resources should be conserved by ex-situ and in-situ means. Monopodial bamboo species which are usually stretched in large area like M. bacciferain in NC Hills and D. hamiltonii in Mikir hills can be conserved by declaring these areas as gene sanctuary for these species. The sympodial bamboo species with sparse distribution can be conserved through community based approach and by developing 'Bambusetum'. Strengthening inventories of bamboo genetic resources and their distribution, data on important products and their utilization, knowledge on domestic and international markets, developing appropriate bamboo based agroforestry system, capacity building by way of training in management of micro enterprise and cooperative, availability of micro credit for people operating at very subsistence level, value added bamboo processing and design technologies are important issues to be answered in this part of the country to boom with bamboo.Keywords
Bamboos, Conservation, North-East India- Shifting Cultivation in Northeastern Region of India - Status and Strategies for Sustainable Development
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Indian Forester, Vol 138, No 1 (2012), Pagination: 52-62Abstract
Shifting cultivation locally called jhum is an integral part in tribal life of the northeastern hill regions of India and has direct bearing on their socio-cultural systems. In order to improve and restore the degraded sites under jhum cultivation some short term and long term options have been suggested. Short term options, like proper bunding, residue cycling, use of high yielding varieties, etc. and long term viable options like terracing, water harvesting, agroforestry, integrated farming systems are some improved method of jhum cultivation. Application of appropriate techniques as per land situation would help in conservation of resources, improved soil health and sustainable production. The improvement in jhum cultivation practices would be further enhanced through complete education and awareness of tribal farmers of the region.Keywords
Jhum, Ecosystem Degradation, Sustainability, Alternatives, North Eastern India- Genetic Analysis for Seed Traits in Acacia nilotica (Linn.) Willd. Ex Del Ssp. Indica (Benth.) Brenan (Babul)
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Indian Forester, Vol 137, No 8 (2011), Pagination: 976-979Abstract
Genetic parameters for nine pod and seed traits. and per cent germination were worked out in thirty seed sources of Acacia nilotica mostly from the state of Haryana, Himachal Pradesh and Punjab. Values for variability expected genetic gain were calculated for aU individual characters. Seed length, seed width and 100 seed weight exhibited high genetic variabiJity, heritability and genetic gain. Correlation study revealed that pod thickness; pod weight, seed length, seed width, seed thickness and 100 seed weight had significant and positive association with germination percentage. These traits therefore should be given priority for improving germination in Acacia nilotica.Keywords
Genetic Gain, Genetic Variability, Heritability, Seed Traits, Germination per Cent, Seed Source And Acacia Nilotica- Integrated Farming Systems for Food and Nutritional Security in North Western Himalayas
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