Search Results - "Sverrisson, Halldor"

A worldwide perspective of the legislation and regulations governing sentinel plants by Vettraino, Anna Maria, Santini, Alberto, Nikolov, Christo, Grégoire, Jean-Claude, Tomov, Rumen, Orlinski, Andrei, Maaten, Tiit, Sverrisson, Halldór, Økland, Bjørn, Eschen, René

“…Sentinel plants, plants in exporting countries that are inspected at regular intervals for signs and symptoms of invertebrate pests and microbial pathogens,…”
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The effect of insect herbivory on seed production of Lupinus nootkatensis, an introduced species in Iceland by Hrafnkelsdottir, Brynja, Sigurdsson, Bjarni D., Oddsdottir, Edda S., Sverrisson, Halldor, Halldorsson, Gudmundur

“…Lupinus nootkatensis is an exotic plant species that has been used for large‐scale sowing all around Iceland for land reclamation of eroded surfaces protected…”
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Ectomycorrhizae Reduce Damage to Russian Larch by Otiorhyncus Larvae by Halldórsson, Gudmundur, Sverrisson, Halldór, Eyjólfsdóttir, Gudrídur Gyda, Oddsdóttir, Edda Sigurdís

“…The effect of ectomycorrhizae on damage caused by Otiorhyncus larvae and on plant growth was evaluated in a 3-yr field experiment. Russian larch seedlings,…”
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Winter survival of Ceramica pisi (Lepidoptera: Noctuidae) in Iceland by Hrafnkelsdottir, Brynja, Sigurdsson, Bjarni D., Oddsdottir, Edda S., Sverrisson, Halldor, Halldorsson, Gudmundur

“…The broom moth Ceramica pisi, a native species in Iceland, has shown a marked expansion from south Iceland towards the north, concurrent with increasing…”
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Microsatellite analysis of Icelandic populations of the poplar fungal pathogen Melampsora larici-populina shows evidence of repeated colonization events by Elefsen, Sigridur Erla, Frey, Pascal, Sverrisson, Halldor, Hallsson, Jón Hallsteinn

“…The basidiomycete Melampsora larici-populina causes foliar rust on Populus species from the sections Aigeiros and Tacamahaca, causing reduction in biomass…”
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Production of Rhizobium inoculants for Lupinus nootkatensis on nutrient-supplemented pumice by Einarsson, S, Gudmundsson, J, Sverrisson, H, Kristjansson, J.K, Runolfsson, S

“…The use of the legume Lupinus nootkatensis as a pioneer plant to fight soil erosion and to reclaim eroded soils in Iceland has been under development for a few…”
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Occurrence of Alnus-Infective Frankia and Trifolium-Infective Rhizobium in Circumpolar Soils by Huss-Danell, Kerstin, Sverrisson, Halldor, Hahlin, Ann-Sofi, Danell, Kjell

“…A survey was made of the occurrence of Frankia, infective on Alnus, in some 40 soils from the whole circumpolar area. Some of these soils were also tested for…”
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Occurrence of Alnus-Infective Frankia and Trifolium-Infective Rhizobium in Circumpolar Soils by Huss-Danell, Kerstin, Sverrisson, Halldor, Hahlin, Ann-Sofi, Danell, Kjell

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