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Björn Andersson
Researcher at Swedish University of Agricultural Sciences
Publications - 38
Citations - 896
Björn Andersson is an academic researcher from Swedish University of Agricultural Sciences. The author has contributed to research in topics: Phytophthora infestans & Blight. The author has an hindex of 13, co-authored 38 publications receiving 765 citations.
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Journal ArticleDOI
Epidemiology and integrated control of potato late blight in Europe
Louise R. Cooke,H.T.A.M. Schepers,Arne Hermansen,R. A. Bain,N. J. Bradshaw,Faye Ritchie,D. S. Shaw,A. Evenhuis,G.J.T. Kessel,J.G.N. Wander,Björn Andersson,Jens Grønbech Hansen,Asko Hannukkala,Ragnhild Nærstad,B. J. Nielsen +14 more
TL;DR: The population characteristics of recently collected isolates in NW Europe show a diverse population including both mating types, sexual reproduction and oospores, although differences are observed between regions, and Fungicides play a crucial role in the integrated control of late blight.
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Indications of soil borne inoculum of Phytophthora infestans.
TL;DR: Observations made during three years in a potato field in Sweden that indicated the presence of soil borne inoculum of Phytophthora infestans are presented.
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Genetic analysis of Phytophthora infestans populations in the Nordic European countries reveals high genetic variability
May Bente Brurberg,Abdelhameed Elameen,Vinh Hong Le,Ragnhild Nærstad,Arne Hermansen,Ari Lehtinen,Asko Hannukkala,Bent Roni Ranghøj Nielsen,Jens Grønbech Hansen,Björn Andersson,Jonathan Yuen +10 more
TL;DR: The large number of genotypes and the frequency distribution of mating types support the hypothesis that sexual reproduction is contributing notably to the genetic variation of P. infestans in the Nordic countries.
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What is the evidence for sexual reproduction of Phytophthora infestans in Europe
Jonathan Yuen,Björn Andersson +1 more
TL;DR: A synthesis of all the available data points to a second centre of sexual reproduction in northern Europe, where a population structure without any dominating clonal lineages in Scandinavia is most easily explained by sexual reproduction.
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Phenotypic variation in Nordic populations of Phytophthora infestans in 2003
Ari Lehtinen,Asko Hannukkala,Björn Andersson,Arne Hermansen,Vinh Hong Le,Ragnhild Nærstad,May Bente Brurberg,B. J. Nielsen,Jens Grønbech Hansen,Jonathan Yuen +9 more
TL;DR: A total of 743 single-lesion isolates of Phytophthora infestans were collected in summer 2003 from Denmark, Finland, Norway and Sweden, and subsets were tested for sensitivity to fungicides and virulence (host specific pathogenicity).