tailieunhanh - Báo cáo nghiên cứu nông nghiệp " Forest Tree Seed –definitions and concepts "

Provenance • Place where seed was collected • Refers to natural forests, not plantations • Provenance boundaries not always well defined • Provenances may have different genetic adaptation. Subdivision of a species, with genetically similar individuals. • Sometimes synonymous with provenance. • Races separated using observed differences. • For example, wood basic density, bark thickness, and flowering patterns have been used to define E. globulusraces | Forest Tree Seed - definitions and concepts 1 Concepts to define - 1 1. Provenance 2. Race 3. Land Race 4. Family 5. Seedlot 6. Genetic gain 2 1. Provenance Place where seed was collected Refers to natural forests not plantations Provenance boundaries not always well defined Provenances may have different genetic adaptation

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