Per Hallgren

Summary

Affiliation: Swedish University of Agricultural Sciences
Country: Sweden

Publications

  1. ncbi Effects of willow hybridisation and simulated browsing on the development and survival of the leaf beetle Phratora vitellinae
    Per Hallgren
    Department of Animal Ecology, Swedish University of Agricultural Sciences, SLU, SE 901 83 Umea, Sweden
    BMC Ecol 3:5. 2003
  2. ncbi Inheritance patterns of phenolics in F1, F2, and back-cross hybrids of willows: implications for herbivore responses to hybrid plants
    Per Hallgren
    Department of Animal Ecology, Swedish University of Agricultural Sciences, 901 83 Umea, Sweden
    J Chem Ecol 29:1143-58. 2003

Detail Information

Publications2

  1. ncbi Effects of willow hybridisation and simulated browsing on the development and survival of the leaf beetle Phratora vitellinae
    Per Hallgren
    Department of Animal Ecology, Swedish University of Agricultural Sciences, SLU, SE 901 83 Umea, Sweden
    BMC Ecol 3:5. 2003
    ..caprea and Fl hybrids of the two species was monitored. Further, to examine the effect of herbivorous mammals on the performance of the larvae, plants were damaged to simulate winter foraging by voles or spring leaf stripping by moose...
  2. ncbi Inheritance patterns of phenolics in F1, F2, and back-cross hybrids of willows: implications for herbivore responses to hybrid plants
    Per Hallgren
    Department of Animal Ecology, Swedish University of Agricultural Sciences, 901 83 Umea, Sweden
    J Chem Ecol 29:1143-58. 2003
    ..caprea were significantly more damaged by insect herbivores than the parental species and the F1 hybrid, indicating reduced resistance and possibly a selective disadvantage for these hybrid categories...