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Genetic mapping using a wheat multi-founder population reveals a locus on chromosome 2A controlling resistance to both leaf and glume blotch caused by the necrotrophic fungal pathogen Parastagonospora nodorum
(Peer reviewed; Journal article, 2020-01-29)Key message A locus on wheat chromosome 2A was found to control feld resistance to both leaf and glume blotch caused by the necrotrophic fungal pathogen Parastagonospora nodorum. Abstract The necrotrophic fungal pathogen ... -
Genetic population structure of the monogenean parasite Gyrodactylus thymalli and its host European grayling (Thymallus thymallus) in a large Norwegian lake
(Peer reviewed; Journal article, 2020-10-15)Understanding how populations are structured in space and time is a central question in evolutionary biology. Parasites and their hosts are assumed to evolve together, however, detailed understanding of mechanisms leading ... -
Genetic Structure of the Norwegian Parastagonospora nodorum Population
(Peer reviewed; Journal article, 2020-06-16)The necrotrophic fungal pathogen Parastagonospora nodorum causes Septoria nodorum blotch (SNB), which is one of the dominating leaf blotch diseases of wheat in Norway. A total of 165 P. nodorum isolates were collected from ... -
Genetic studies of fall armyworm indicate a new introduction into Africa and identify limits to its migratory behavior
(Peer reviewed; Journal article, 2022-02-04)The fall armyworm, Spodoptera frugiperda (J.E. Smith) is native to the Americas and a major pest of corn and several other crops of economic importance. The species has characteristics that make it of particular concern ... -
Genetic substructure and admixture as important factors in linkage disequilibrium-based estimation of effective number of breeders in recovering wildlife populations
(Journal article; Peer reviewed, 2017)The number of effective breeders (Nb) and effective population size (Ne) are population parameters reflective of evolutionary potential, susceptibility to stochasticity, and viability. We have estimated these parameters ... -
Genetic yield gains of winter wheat in Germany over more than 100 years (1895-2007) under contrasting fertilizer applications
(Journal article; Peer reviewed, 2018-09-27)For highly productive regions such as Germany, the increase of wheat grain yields observed throughout the 20th century is largely attributed to the progress in crop breeding and agronomic management. However, several studies ... -
Genetics and welfare in organic poultry production: A discussion on the suitability of available breeds and hybrids
(Bioforsk rapport;9(10) 2014, Research report, 2014-01-31)Organic production of eggs, broilers and turkey is regulated by international and national regulations and differs from conventional production. Breeds and hybrids selected for conventional production are also used in ... -
Genetisk variasjon i ask
(NIBIO POP;3(5) 2017, Others, 2017-02)De norske askeskogene er en nordlig utløper av større askeskoger i Europa som spredte seg nordover etter siste istid. Vi har undersøkt genetisk variasjon i ask (Fraxinus excelsior) og funnet at asken i Norge fulgte en ... -
Genetisk variasjon i norske skogtrær – en oversikt over publiserte studier (1954-2019)
(NIBIO Rapport;6(1) 2020, Research report, 2020-01)Denne rapporten gir en kortfattet oversikt over publiserte arbeider vedrørende studier av genetisk variasjon i norske skogtrær. Her er bare tatt med originale arbeider som karakteriserer genetisk variasjon og genetiske ... -
Genetisk variasjon mellom norske populasjoner av eik - Resultater fra forsøk i Norge og Danmark
(NIBIO Rapport;3(69) 2017, Research report, 2017-06-20)Et forsøk med sommer- og vintereik fra 14 populasjoner fra Borre i nord til Mandal i sør, i tillegg til tre danske frøkilder, ble etablert på Kaldvell, Aust-Agder, i 2001. De samme materialene ble plantet på fem ... -
Genetisk variasjon mellom og innen norske populasjoner av hengebjørk (Betula pendula)
(NIBIO Rapport; 4(3) 2018, Report, 2018-01)Frøpartier ble samlet inn fra 15 trær i hver av 17 populasjoner av hengebjørk (Betula pendula) i fem fylker på Østlandet. Feltforsøk for å teste forskjeller mellom populasjoner ble plantet på 14 lokaliteter på Østlandet, ... -
Genetisk variasjon mellom og innen populasjoner av gran i to dalfører i Sør-Norge Genetic variation among and within Norway spruce populations in two valleys in southern Norway
(NIBIO-rapport;7(28) 2021, Research report, 2021-02)Denne studien hadde til formål å karakterisere den genetiske variasjonen i fenologi og vekst mellom og innen granpopulasjoner fra ulike høydelag i to dalfører på Østlandet. Trær fra frø samlet inn på mortrær i naturlige ... -
Genetiske ressursar i engvekstene. In-situ bevaring av kunstmarkseng
(Bioforsk rapport;8(27) 2013, Research report, 2013-02-15)Engvekstene sine genetiske ressursar finn vi både som moderne sortar, tradisjonelle sortar (også kalla landsortar), populasjonar som har forvilla seg frå dyrka mark og villtveksande populasjonar. I tillegg har vi ville ... -
Genkartlegging av bevaringsverdige saueraser
(Journal article, 2022)Norsk genressurssenter har, i samarbeid med Norsk Sau og Geit, raselag og avlsbesetninger, kartlagt forekomsten av blant annet finnegenvarianten hos rygjasau, steigarsau, grå trøndersau og gammelnorsk spælsau. I tillegg ... -
Genome analysis of Phytophthora cactorum strains associated with crown- and leather-rot in strawberry
(Peer reviewed; Journal article, 2023-07-03)Phytophthora cactorum has two distinct pathotypes that cause crown rot and leather rot in strawberry (Fragaria × ananassa). Strains of the crown rot pathotype can infect both the rhizome (crown) and fruit tissues, while ... -
Genome- and transcriptome-derived microsatellite loci in lumpfish Cyclopterus lumpus: Molecular tools for aquaculture, conservation and fisheries management
(Peer reviewed; Journal article, 2020-01-17)The lumpfish Cyclopterus lumpus is commercially exploited in numerous areas of its range in the North Atlantic Ocean, and is important in salmonid aquaculture as a biological agent for controlling sea lice. Despite the ... -
Genome-wide association mapping of resistance to septoria nodorum leaf blotch in a Nordic spring wheat collection
(Journal article; Peer reviewed, 2019-11-07)Parastagonospora nodorum is the causal agent of Septoria nodorum leaf blotch (SNB) in wheat (Triticum aestivum L.). It is the most important leaf blotch pathogen in Norwegian spring wheat. Several quantitative trait loci ... -
Genome-wide association mapping of septoria nodorum blotch resistance in Nordic winter and spring wheat collections
(Peer reviewed; Journal article, 2022-09-23)Septoria nodorum blotch (SNB), caused by the necrotrophic fungal pathogen Parastagonospora nodorum, is the dominant leaf blotch pathogen of wheat in Norway. Resistance/susceptibility to SNB is a quantitatively inherited ... -
Genomes of the willow-galling sawflies Euura lappo and Eupontania aestiva (Hymenoptera: Tenthredinidae): a resource for research on ecological speciation, adaptation, and gall induction
(Peer reviewed; Journal article, 2021-03-31)Hymenoptera is a hyperdiverse insect order represented by over 153,000 different species. As many hymenopteran species perform various crucial roles for our environments, such as pollination, herbivory, and parasitism, ... -
Genomic evidence uncovers inbreeding and supports translocations in rescuing the genetic diversity of a landlocked seal population
(Peer reviewed; Journal article, 2023-01-07)Fragmentation of isolated populations increases the risk of inbreeding and loss of genetic diversity. The endemic Saimaa ringed seal (Pusa hispida saimensis) is one of the most endangered pinnipeds in the world with a ...