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Sökning: onr:q11wphk4nkps415w > Benefits and risks ...

Benefits and risks of using clones in forestry - a review [Elektronisk resurs]

Wu, Harry X. (författare)
Umeå universitet Teknisk-naturvetenskapliga fakulteten (utgivare)
Publicerad: Taylor & Francis, 2019
Engelska.
Ingår i: Scandinavian Journal of Forest Research. - 0282-7581. ; 34:5, 352-359
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  • The use of vegetative propagation in forestry has a long history. In this chapter of special issue, the genetic gain from clonal forestry relative to family forestry is reviewed. Both theoretical studies and experimental data from progeny and clonal trials indicate that extra genetic gain (5-25%) is possible in conifer from clone testing and deployment relative to deployment of family forestry, effectively doubling that achievable from family forestry within the same generation. There are three perceived risks from using clones in forestry: (1) risk of plantation failure, (2) risk of diversity loss at the forest and landscape levels, and (3) risk associated with success rate of vegetative (or SE) propagation. Three theoretical models are reviewed and described to assess risk and to determine the number of clones required to mitigate these risks. All studies support that a "safe" number of clones is between 5 and 30. Genetic gains and experiences are reported for individual species, particularly in conifers, as well as in Eucalypts. The combination of genomic selection with somatic embryogenesis has the potential to accelerate the development of clonal forestry by shortening clonal testing or omitting long-term clonal testing completely. 

Ämnesord

Agricultural and Veterinary sciences  (hsv)
Agricultural Science, Forestry and Fisheries  (hsv)
Forest Science  (hsv)
Lantbruksvetenskap och veterinärmedicin  (hsv)
Lantbruksvetenskap, skogsbruk och fiske  (hsv)
Skogsvetenskap  (hsv)

Genre

government publication  (marcgt)

Indexterm och SAB-rubrik

Clonal forestry
genetic gain
vegetative propagation
risks
benefits
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