Forest Investment Account

Abstract of FII Project R2003-249

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Yellow Cypress Clonal Evaluation and Selection

Author(s): van Niejenhuis, Annette (Western Forest Products)
Subject: Ecology, Forestry, Genetics
Series: Forest Investment Account (FIA) - Forest Science Program


The yellow cypress clonal evaluation and selection project continues more than a decade of research into the genetic variation of this species, and how it should be managed, conserved, and deployed. Understanding this variation will lead to efficient and effective seed transfer limits. Identification of stable, top-performing clones for regeneration programs increases the value of the forest land base and assists in adjacency concerns. Delivery of volume gains from the program has begun, but greater gains will be realized, both from the increased selection intensity of more clones in more trials, and from increased confidence of older trials. Yellow cypress clonal trials have been established by Western Forest Products on 19 sites in 9 phases since 1991. These are common garden tests.

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Updated September 08, 2005 

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