Inducible anatomical defense responses in Norway spruce stems and their possible role in induced resistance.

@article{Krokene2003InducibleAD,
  title={Inducible anatomical defense responses in Norway spruce stems and their possible role in induced resistance.},
  author={Paal Krokene and Halvor Solheim and Trygve Krekling and Erik Christiansen},
  journal={Tree physiology},
  year={2003},
  volume={23 3},
  pages={191-7}
}
Norway spruce (Picea abies (L.) Karst.) trees were preinoculated with a sublethal dose of the blue-stain fungus Ceratocystis polonica Siem. (C. Moreau) 1 to 52 weeks before they were mass inoculated with the same fungus. Trees pretreated 1 week before mass inoculation had similar, severe symptoms of fungal infection as the control trees. Pretreatment 3, 6 or 9 weeks before mass inoculation resulted in effective protection of the trees, reducing pathogenic symptoms by 63-90% relative to the… CONTINUE READING

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