Jing Xu

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Forest Geneticist and tree breeder with a focus on improving the economic and resistance traits of forest trees through innovative approaches.

Traditional tree breeding methods take about 25 years to complete a single breeding cycle for conifers. My research is aiming at developing faster solutions for the increasing threats from biotic or abiotic stressors due to climate change. I have utilized the breeding without breeding (BWB) techniques to perform pedigree reconstruction in production stands using DNA markers such as microsatellites, Single nucleotide polymorphisms (SNPs). This approach has enabled the development of more efficient and effective breeding strategies for minor tree species.

Furthermore, I am interested in understanding the genetics of tree-pathogen-insect-environment interactions to enable better breeding strategies to improve resistance traits. By identifying the environmental conditions such as shade, rainfall, and temperature on parasites, non-chemical parasites control strategies could be developed in practice. The genetics of tree-parasites interactions can also help identify which trees are most susceptible to pests or diseases.

Lastly, I am establishing an innovative phenotyping method that explores drought stress precisely and rapidly in forest trees by utilizing near-surface remote sensing observations in forest sites.

Bachelor or Master students interested in forest tree genetics and breeding are welcome to contact me.

Teaching

2016 – 2020  Teaching assistant for bachelor course “Genetics” and “Molecular Genetics”, University of Copenhagen

2021  –          Lecture for Bachelor student course “Genetics” and Master student course “Experimental Plant Science” , University of Copenhagen

Primary fields of research

Forest genetics and tree breeding | Quantitative genetics | Genomics | Statistical analysis | Forest pathology | Forest Entomology | Precision breeding | Dendrochronology | Image analysis

Selected publications

1. Published

   Genetic variation and inheritance of susceptibility to _{Neonectria neomacrospora} and Christmas tree traits in a progeny test of Nordmann fir

   Xu, Jing, Nielsen, Ulrik Braüner, Isik, F., Jensen, M. & Hansen, Ole Kim, 1 Mar 2021, In: Annals of Forest Science. 78, 1, 15 p., 22.

   Research output: Contribution to journal › Journal article › Research › peer-review

2. Published

   Ad hoc breeding of Abies bornmülleriana for Christmas tree production using a combination of DNA markers and quantitative genetics-a case study

   Xu, Jing, Nielsen, Ulrik Braüner & Hansen, Ole Kim, 2018, In: Tree Genetics & Genomes. 14, 5, 15 p., 64.

   Research output: Contribution to journal › Journal article › Research › peer-review

3. Published

   Genetic variation and genotype by environment interaction in the susceptibility of Abies nordmanniana (Steven) Spach to the fungus Neonectria neomacrospora (Booth & Samuels) Mantiri & Samuels

   Xu, Jing, Hansen, Ole Kim, Thomsen, Iben Margrete & Nielsen, Ulrik Braüner, 2018, In: Annals of Forest Science. 75, 12 p., 17.

   Research output: Contribution to journal › Journal article › Research › peer-review