Density and composition of an insect population in a field trial of chitinase transgenic and wild-type silver birch (Betula pendula) clones.

@article{Vihervuori2008DensityAC,
  title={Density and composition of an insect population in a field trial of chitinase transgenic and wild-type silver birch (Betula pendula) clones.},
  author={Liisa Vihervuori and H. L. Pasonen and P{\"a}ivi Lyytik{\"a}inen-Saarenmaa},
  journal={Environmental entomology},
  year={2008},
  volume={37 6},
  pages={
          1582-91
        }
}
Fifteen silver birch (Betula pendula Roth) lines carrying a sugar beet chitinase IV gene and eight wild-type birch clones were grown in a field trial. The composition and density of the insect population and the leaf damage caused by insects were monitored and compared between transgenic and wild-type trees. The most abundant insect group in all trees was aphids, and the variation in total insect densities was mainly explained by the variation in aphid densities. Insect densities were generally… CONTINUE READING
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