Chen, Zhi-Qiang
Klingberg, Adam
Hallingbäck, Henrik R.
Wu, Harry X.
Funding for this research was provided by:
Swedish University of Agricultural Sciences
Article History
Received: 6 December 2022
Accepted: 15 March 2023
First Online: 27 March 2023
Declarations
:
: The plant materials analyzed for this study come from common garden experiments (Plantation and clonal archives) that were established and maintained by the Forestry Research Institute of Sweden (Skogforsk) for breeding selections and research purposes. Two tree breeders, HRH and AK in Sweden were coauthors in this paper. They agreed to access the materials and collect the needles. Experimental research and field studies on plants including the collection of plant material are comply with relevant guidelines and regulation.
: Not applicable.
: The authors declare that they have no competing interests.