Publications
NIBIOs employees contribute to several hundred scientific articles and research reports every year. You can browse or search in our collection which contains references and links to these publications as well as other research and dissemination activities. The collection is continously updated with new and historical material.
2012
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A survey of the prevalence of skin blemish diseases in potatoes after the growing seasons of 2008 and 2009 was carried out on 247 potato lots representing different cultivars and production regions in Norway. The results showed the presence of silver scurf (Helminthosporium solani) in all lots. Skin spot (Polyscytalum pustulans) and black scurf (Rhizoctonia solani) were found in 80% of the lots, and black dot (Colletotrichum coccodes) and common scab caused by Streptomyces spp. were present in 50–70%. Also, powdery scab (Spongospora subterranea) occurred in 65–80% of the lots, and root-lesion nematodes (Pratylenchus spp.) were detected in 60% of the sub-samples that exhibited symptoms of common scab.
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R. Mohun Ann Norderhaug Liv Guri VelleAbstract
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Christer MagnussonAbstract
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Arild AndersenAbstract
The present paper comments on thirty-three of the forty-seven species belonging to six Agromyzidae genera and presently known to occur in Norway. Thirteen species are reported new to the Norwegian fauna belonging to the family Agromyzidae. The species are: Amauromyza (Cephalomyza) chenopodivora Spencer, 1971, Amauromyza (Cephalomyza) monfalconensis (Strobl, 1909), Cerodontha (Butomomyza) rohdendorfi Nowakowski, 1967, Cerodontha (Butomomyza) scutellaris (Roser, 1840), Cerodontha (Cerodontha) fulvipes (Meigen, 1830), Cerodontha (Cerodontha) stackelbergi Nowakowski, 1972, Cerodontha (Dizygomyza) caricicola (Hering, 1926), Cerodontha (Icteromyza) capitata (Zetterstedt, 1848), Cerodontha (Poemyza) pygmina (Hendel, 1931), Metopomyza flavonotata (Haliday, 1833), Metopomyza scutellata (Fallen, 1823), Metopomyza xanthaspioides (Frey, 1946) and Aulenagromyza buhri (de Meijere, 1938). In addition new regional data is given for twenty species previously reported from Norway. The biology of the larva, when known, and the distribution in Norway and Europe are commented on for each of the species.
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