9788195190850 - recent advances in melia dubia cav (2 Ergebnisse)
Anbieter: Majestic Books, Hounslow, Vereinigtes KönigreichMajestic Books
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- Hardcover
Anbieter: Vedams eBooks (P) Ltd, New Delhi, IndienVedams eBooks (P) Ltd
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Hardcover. Zustand: New. The forests, as world's most important and valuable renewable natural resources, play an important role in welfare of human being. The demand for wood and wood products is increasing with economic growth and increase in population. However, there is constant decline in forest cover and wood, as industria…l raw material, is not available. The gap between demand and supply of wood could nonetheless be brought down either by increasing forest area substantially or establishing plantations with genetically improved planting stock. In present scenario, such ever increasing gap could easily be bridged with later approach which would ensure sustained supply chain. Globally, planted forests have been playing an important role in supply of industrial wood. By 2015, total planted forests world over were estimated to about 290 million ha., and of course Asia had maximum contributions of 129 million ha. It is pertinently important to understand that planted forests have become sole source of supply of raw materials to wood based industries. Though tree plantations cover an area of around 9.13 million ha., 2.70 % of total geographical area of India, in last seven years wood and wood products worth Rs.328.2 billion have been imported. The maximum plantations are being established with exotics like Eucalyptus, Casuarina, Populus, etc., which have limitations of narrow gene pool and susceptibility to insects and diseases. It was therefore utmost essential to screen a fast growing short rotation indigenous tree species which could be prompted under various social and agroforestry schemes to produce industrial raw materials. Melia dubia Cav., an indigenous fast growing short rotation multipurpose tree species, was found to be the most suitable in fulfilling industrial and domestic wood requirements. In this perspective, Indian Council of Forestry Research and Education started a long-term multidisciplinary and systematic research programme on various aspects of M. dubia, and released ten varieties for commercial cultivation with average productivity of 34.57 m3ha1 yr1. Based on experience and research results of different experiments, this book on 'Recent Advances in Melia Dubia Cav' has been written consisting as many as thirty chapters and covers dynamic attributes of both cultivation and utilization perspectives as industrial raw material and deals with, tools of selection, regeneration, clonal propagation, genotype x environmental interactions, progeny trials, molecular characterization, application of biotechnological tools for tree improvement, delimitation of genus Melia, reproductive biology, DUS descriptors and wood analysis. The impetus has been equally been drawn significantly towards analysis of various aspects to establish this species as raw material for various wood based industries including timber, plywood and pulpwood. The agroforestry models and allelopathic aptness as well as impact of insect and disease infestations have also been covered appropriately. The phytochemical characterization and establishment of the species under heavy metal rich soil has been elaborated.
