TAILIEUCHUNG - Báo cáo khoa học: "Commercial delivery of genetic improvement to conifer plantations using somatic embryogenesi"

Tuyển tập các báo cáo nghiên cứu về lâm nghiệp được đăng trên tạp chí lâm nghiệp quốc tế đề tài: Commercial delivery of genetic improvement to conifer plantations using somatic embryogenesis. | Ann. For. Sci. 59 2002 657-661 INRA EDP Sciences 2002 DOI forest 2002052 657 Original article Commercial delivery of genetic improvement to conifer plantations using somatic embryogenesis Ben Sutton CellFor Inc. Suite 408 355 Burrard Street Vancouver BC V6C 2G8 Canada Received 16 August 2001 accepted 18 March 2002 Abstract - Somatic embryogenesis of conifers has been the subject of intensive research by a number of organizations over the last 15 years. The maintenance cryopreservation and production of embryos from embryogenic cultures of individual trees have been demonstrated for several commercial species. These attributes have enabled CellFor Inc. a commercial provider to develop and deploy over 4 500 clones in field tests. It is expected that selection of elite clones from such tests will result in gains of more than 40 in volume growth overpopulation means. While individual elite parent trees may exhibit improvements in excess of 25 seed orchards typically yield less than half this gain operationally. Hence the ability to deploy selected clones of elite families through mass production of somatic embryos has significant value. CellFor has developed a bulk embryo production and sowing methods to achieve this with initial volumes of 2 million somatic seedlings annually. somatic embryogenesis conifer clonal forestry Résumé - Retombée commerciale de l amelioration génétique des plantations résineuses par embryogénie somatique. Au cours des 15 dernières années l embryogenèse somatique chez les résineux a été l objet de recherches intensives par un grand nombre d organisations. La conservation la cryo-conservation et la production d embryons à partir de cultures embryogéniques d arbres individuels ont été bien établies pour plusieurs espèces commerciales. Ces attributs ont permis àCellForInc. un producteur commercial le développement et la mise en place de plus de 4 500 clones dans des expérimentations au champ. Il est espéré que la sélection de clones .

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