Cherry leaf roll virus abundant on Betula pubescens in Finland

Virus-related symptoms such as vein banding, leaf roll, chlorosis and subsequent necrosis on birch leaves were increasingly recorded throughout Finland since 2002. They are widespread in this country and have also been detected in northern Norway and Sweden. Symptomatic foliage has so far been found...

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Bibliographic Details
Published in:Silva Fennica
Main Authors: Jalkanen, Risto, Büttner, Carmen, Bargen, Susanne
Format: Article in Journal/Newspaper
Language:English
Published: Finnish Society of Forest Science 2007
Subjects:
Forestry
SD1-669.5
Norway
Rovaniemi
Northern Finland
Northern Norway
Online Access:https://doi.org/10.14214/sf.927
https://doaj.org/article/4f77fd9c72ea4adc9479336f6e73783f
Description
Summary:Virus-related symptoms such as vein banding, leaf roll, chlorosis and subsequent necrosis on birch leaves were increasingly recorded throughout Finland since 2002. They are widespread in this country and have also been detected in northern Norway and Sweden. Symptomatic foliage has so far been found on Betula pendula, B. pubescens, B. pubescens subsp. czerepanovii, and B. nana. A Cherry leaf roll virus (CLRV) specific IC-RT-PCR was applied to young leaves, buds and catkins of symptomatic shoots of nineteen pubescent and one silver birch trees grown in the centre of Rovaniemi, Finland. CLRV was found in seventeen B. pubescens trees. This is the first time that B. pubescens has been confirmed to be a host species for CLRV in Finland. Nor has CLRV been recorded earlier in northern Finland.

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