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245 1 0 _aInvited review: forest biotechnology: innovative methods, emerging opportunities
490 0 _vIn Vitro Cellular & Developmental Biology-Plant, 41, p.701-717, 2005
520 3 _aThe productivity of plantation forests is essential to meet the future world demand for wood and wood products in a sustainable fashion and in a manner that preserves natural stands and biodiversity. Plantation forestry has enormously benefited from development and implementation of improved silvicultural and forest management practices during the past century. A second wave of improvements has been brought about by the introduction of new germplasm developed through genetics and breeding efforts for both hardwood and conifer tree species. Coupled with the genetic gains achieved through tree breeding, the emergence of new biotechnological approaches that span the fields of plant developmental biology, genetic transformation, and discovery of genes associated with complex multigenic traits have added a new dimension to forest tree improvement programs. Significant progress has been made during the past five years in the area of plant regeneration via organogenesis and somatic embryogenesis (SE)for economically important tree species. These advances have not only helped the development of efficient gene transfer techniques, but also have opened up avenues for deployment of new high-performance clonally replicated planting stocks in forest plantations. One of the greatest challenges today is the ability to extend this technology to the most elite germplasm, such that it becomes an economically feasible means for large-scale production and delivery of improved planting stock. Another challenge will be the ability of the forestry research community to capitalize rapidly on current and future genomics-based elucidation of the underlying mechanisms for important but complex phenotypes. Advancements in gene cloning and genomics technology in forest trees have enabled the discovery and introduction of value-added traits for wood quality and resistance to biotic and abiotic stresses into improved genotypes. With these technical advancements, it will be necessary for reliable regulatory infrastructures and processes to be in place worldwide for testing and release of trees improved through biotechnology. Commercialization of planting stocks, as new varieties generated through clonal propagation and advanced breeding programs or as transgenic trees with high-value traits, is expected in the near future, and these trees will enhance the quality and productivity of our plantation forests.
650 1 4 _aCONIFERS
650 1 4 _aHARDWOODS
650 1 4 _aSOMATIC EMBRYOGENESIS
650 1 4 _aTRANSFORMATION
650 1 4 _aGENE DISCOVERY
650 1 4 _aPLANTATION FORESTRY
650 1 4 _aTREE GENOMICS
700 1 2 _aNehra, N.S.
700 1 2 _aBecwar, M.R.
700 1 2 _aRottmann, W.H.
700 1 2 _aPearson, L.
700 1 2 _aChowdhury, K.
700 1 2 _aChang, S.
856 4 0 _uhttps://drive.google.com/file/d/1sqROJiZv5uG5uO9giStaJjx5c_wWLQ-a/view?usp=drivesdk
_zPara ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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