| Publication Type | Journal Article |
| Year of Publication | 2000 |
| Authors | Yami, K, D. |
| Journal Title | Bio-technology applications for reforestation and biodiversity conservation. Proceedings of the 8th International Workshop of BIO-REFOR, Kathmandu, Nepal, November 28-December 2, 1999 |
| Pagination | 131-133 |
| Key Words | afforestation; biotechnology; mycorrhizas; nitrogen fixation; root nodules; soil biology; soil conservation; Alnus nepalensis; Alnus nitida; Frankia |
| Abstract | Alder trees are considered to be important pioneers in ecological successions of skeletal soils and are widely used for intense forest management, biomass production and regeneration of disturbed soil. In Nepal the two predominant species, Alnus nepalensis and A. nitida are found in hills ranging from 900 m to 2700 m. Soil erosion and glacier erosions are frequent problems faced every year in this country. These problems could be overcome to some extent by intense plantation of alder trees in barren hills and mountains. For the establishment of these trees initial inoculation of nursery trees may be necessary. Frankia spp. are the nitrogen fixing multicellular filamentous micro-symbionts of actinorhizal plants. In this work Frankia was isolated from Nepalese alder root nodules. An inoculation trial on alder nursery bed showed a significant increase in the number of nodules and plant dry weight per plant in unsterilized soil medium. |
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