Pär K. Ingvarsson (aka. Pelle) is an evolutionary and quantitative geneticist with an interest in the genetic basis of quantitative traits. He is especially interested in  understanding how and why local adaptation evolves in respone to both abiotic and biotic factors.

Pelle got his PhD from Umeå University in 1997. Following postdocs at University of British Columbia, Canada and at University of Virginia he was an assistant, associate and full professor of Evolutionary genetics at Umeå University between 2002 and 2016.  Since January 2017 he is professor in Plant genomics and breeding at the Swedish University of Agricultural Sciences in Uppsala, Sweden. His current job duties in the lab mainly involve writing emails and editing manuscript drafts.

Short CV

Research technician


Carolina Bernhardsson joined the lab in November 2015 and has worked on a number of projects, including the role of natural epigenetic variation in aspen and to generate high-density genetic maps using sequence capture data to improve existing and future genome assemblies in aspen and spruce. She’s currently responsible for bioinformatic analyses for a number of projects that run in the lab. Carolina got her PhD from Umeå university in 2012 and then did a postdoc with Dr. Rosario Garcia Gíl, at Umeå Plant Science Centre.


 Martha Rendón joined the lab in October 2017. Martha is currently working on population genomic analyses in Populus and will also initiate a project on photoperiod adaptation and mating system variation in common bean (Phaseolus vulgaris) and scarlet runner bean (Phaseolus coccineus). Martha did her PhD at CINVESTAV in Mexico, working on genome sequencing and population genomics in common bean (Phaseolus vulgaris).

Thomas Richards joins the lab in March 2018. Tom is working in the CLAP project on adapting Populus trichocarpa to growing underNordic-Baltic region conditions. Tom did hos PhD at the University of Queensland  in Australia working on divergent selection and the evolution of reproductive isolation in Senecio.

PhD students

Rami-Petteri Apuli joined the lab as a graduate student in 2017. Most recently he got his MSc from Oulu University in Finland. Rami is currently working on assessing genome-wide variation in recombination rates and how this affects linked selection across the Populus genome.

helenaHelena Dahlberg is working on understanding the genetic consequences of current forest management strategies and in particular whether re-forestation using seed-orchard derived plants affect genetic variation within and among stands of Norway spruce (Picea abies). Helena got her MSc in biology from Umeå University and joined our lab in 2016.

 Yousef Rahimi is a visiting PhD student from Teheran University working on the genetic basis of drought tolerance in wheat (Triticum aestivum) using genome-wide association mapping and studies software gene expression variation. Yousef will be visiting the lab until the summer of 2019.

Xi Wang is focused on understanding processes driving genetic variation and linkage disequilibrium across the large (~20Gb) and complex genome of Norway spruce (Picea abies). Before joining our lab in 2016, Xi got her MSc from Lanzhou University in China.

 Le Yu is working on effects of mating system variation on patterns of adaptation in two closely related bean species, the common bean (Phaseolus vulgaris) and the scarlet runner bean (Phaseolus coccineus). Before joining our lab in 2019, Yu did a MSc at Lanzhou University in China.

Master students

 Jonathan Wilson is doing his Master’s project in the group until the end of the spring semester in 2019. He’s working on identifying patterns of selection and introgression in Scottish populations of European aspen.

Lab technician


Carin Olofsson has been making sure everything works in lab since 2004. The last few years she has done literally thousands of DNA extractions – providing the essential resource for most of the work we do.

Lab alumni 

Antoine Bos is a former PhD student (2009) that worked on the genetic basis of frost tolerance in Arabidopsis thaliana. He’s now working at Enetjärn Natur AB.

Victoria Garcia was postdoc from 2003-2006 and worked on nucleotide diversity in genes involved with response to photoperiod in aspen. She is now a professor at the National University of Misiones, Missions, Argentina.

David Hall is a former PhD student (2004 to 2010) that worked on the genetic basis of local adaptation in aspen (Populus tremula). He then went on to do a postdoc with Harry Wu at the Swedish University of Agricultural Sciences and is currently a research associate with Xiao-Ru Wang at the Department of Ecology and Environmental Sciences, Umeå University.

Xiao-fei Ma got his PhD from the Institute of Botany at the Chinese Academy of Sciences in Beijing and was a postdoc in the lab from 2006-2008, working on the genetic basis of local adaptation in aspen. He is now a full professor at the Cold and Arid Regions Environment and Engineering Research Institute at the Chinese Academy of Sciences in Lanzhou.

Elisabet Peedu got he licentiate degree in our group in 2018 working on understanding the causes and consequences of sexual dimorphism in Red campion (Silene dioica) using data from a natural metapopulation in the Skeppsvik archipelago. Elisabet got her MSc in biology from Umeå University and joined us in 2011.

Nina Talyzina was working in the lab as a postdoc from 2004-2006 studying the molecular evolution of wound-inducible genes in aspen.

Biyue Tan got her MSc from Nanjing Forest University and started as a PhD student in 2013 as a member of the industrial graduate school in “Forest genetics and breeding” at UPSC. She completed her PhD in April 2018 working on developing methods for genomic prediction (genomic selection) of growth and wood traits in Eucalyptus. She is currently employed by Stora Enso working in their biomaterials division.

Amanda de la Torre got her PhD with Sally Aiken at the University of British Columbia. Amanda did a postdoc in our lab from 2013 to 2015 working on comparative genomics in conifers She is now a postdoc with David Neale at University of California-Davis.

Amaryllis Vidali got her PhD from the Georg-August University in Göttingen, Germany. She was a postdoc in the lab from 2012 to 2015 working on population genomics of Norway spruce. She is now a Research associate at TMU (Technische Universität München) in Munich, Germany .

Jing Wang did her PhD from 2012 to 2016 working on the effects of linked selection in aspen and on the genetic basis of adaptation to photoperiod using whole-genome re-sequencing data from aspen. She is currently a postdoc at the Centre for Integrative Genetics at the Norwegian University of Life Sciences in Ås, Norway.