Publikasjoner
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2020
Sammendrag
In integrated pest management (IPM), the goal is to keep the impact of damaging agents below a threshold level with reduced pesticide use. The present review is focusing on IPM of fungal diseases and Phytophthora root rot in Norwegian Christmas tree plantations. Healthy transplants are of vital importance to give the production a good establishment. Sanitation of diseased material and weeds is also very important in IPM. Management strategies will vary with the disease-causing agent in question, therefore, correct identification is necessary. The major pathogens are within the kingdom’s Fungi (e.g. Neonectria neomacrospora) and Chromista (e.g. Phytophthora spp.). They depend on relatively high humidity or free moisture to spread and infect. Any factors diminishing the duration of wet conditions will, therefore, reduce the disease pressure. Efficient weed management in Christmas tree fields will increase air circulation and thereby ensure a quicker drying after precipitation. Furthermore, certain weed species are host plants for rust fungi on Christmas trees, and thus, removal of the alternate host is a highly relevant control strategy. In Norway, fungicide use in Christmas trees is limited and only recommended during the short period from bud break to fully elongated shoots, generally the most vulnerable period concerning fungal attacks.
Forfattere
Ove BergersenSammendrag
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Forfattere
Lars Rød-Eriksen Johanna Skrutvold Ivar Herfindal Henrik Jensen Nina Elisabeth EideSammendrag
This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
Sammendrag
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Forfattere
Steen Magnussen Ronald E. McRoberts Johannes Breidenbach Thomas Nord-Larsen Göran Ståhl Lutz Fehrmann Sebastian SchnellSammendrag
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Forfattere
Barbara Łaska-Zieja Damian Marcinkowski Wojciech Golimowski Gniewko Niedbała Ewelina WojciechowskaSammendrag
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Sammendrag
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Forfattere
Marianne Evju Hanne Hegre Anders Lyngstad Ellen Johanne Svalheim Pål Thorvaldsen Lise Tingstad Liv Guri Velle Dag-Inge Øien Erik FramstadSammendrag
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Forfattere
Gunnhild SøgaardSammendrag
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Forfattere
Simon Jakobsson Joachim Paul Töpper Marianne Evju Erik Framstad Anders Lyngstad Bård Pedersen Hanne Sickel Anne Sverdrup-Thygeson Vigdis Vandvik Liv Guri Velle Per Arild Aarrestad Signe NybøSammendrag
This is an open access article distributed under the terms of the Creative Commons CC-BY license, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.