tailieunhanh - Báo cáo nghiên cứu nông nghiệp " Development and Management of Seed Orchards "

Key features of Seedling Seed Orchard (1) - A seedling seed orchard is developed by selectively thinning a progeny trial which tests many different families of a species. - The progeny trial is assessedand analysedto find out which families and trees within families are growing best. - Inferior trees are removed in two or more selective thinnings, as the stand develops. - Inferior families may be completely removed –all trees cut down. | Development and Management of Seed Orchards Khongsak Pinyopusarerk CSIRO Ensis-Genetics Canberra Australia Type of Seed Orchards Seedling seed orchard SSO - Trees grown from seed Clonal seed orchard CSO -Trees ramets propagated by vegetative means grafting or cuttings Development of Seeding Seed .

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