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Home → Publications → Tree Planters' Notes → Tree Planters' Notes Volume 30, Number 1 (1979) → Reduction of Genetic Base By Sizing of Bulked Douglas-Fir Seed Lots

Reduction of Genetic Base By Sizing of Bulked Douglas-Fir Seed Lots

Sizing of bulked seed lots to any significant degree eliminates virtually whole families, thus accomplishing unintended reduction in genetic base. Year-to-year variation in family seed weight is appreciable. Relationship of seed size to weight is high, but to 10-year family means is low.


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Author(s): Roy R. Silen, Cary Osterhaus

Publication: Tree Planters' Notes - Volume 30, Number 1 (1979)

Section: general

Volume: 30

Number: 1