Selection for development of seed orchards - We selectively thin unpedigreed seed production areas, and pedigreed seed orchards, to achieve genetic gain - Must thin to one tree per plot in seedling seed orchards, to avoid inbreeding within families | Isolation inbreeding and relationships in forest trees Selection concepts c s 1R o Forestry and Forest Products Isolation inbreeding and relationships in forest trees 1. Phenotype 2. Selection seed orchards seed prod areas c s 1R o Forestry and Forest Products Why is selection important We want the best