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The possibilities in forest tree breeding. I. Selection differential of plus trees and genetic gain in seed-orchards

Tigerstedt, P.M.; Malmivaara, E.

Silva fenn 4(2): 101-18

1970


Accession: 014761835

An attempt is made to estimate critically the genetic gain of Pinus sylvestris in clonal seed-orchards in Finland. Genetic gain in height growth is estimated at 2.6-4.4% and in volume growth at 7-15%, provided that there is no pollen contamination from unknown sources outside the seed-orchard.

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