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Author (up) Ehlert, K.; Piepenbring, M.; Kollar, A. url  doi
  Title Ascospore release in apple scab underlies infrared sensation Type Journal Article
  Year 2017 Publication Fungal Biology Abbreviated Journal Fungal Biol  
  Volume 121 Issue 12 Pages 1054-1062  
  Keywords Plants  
  Abstract The agent of apple scab disease (Venturia inaequalis) is the most common pathogen in apple cultivation. Its ascospores are released in spring, mainly during daylight hours and triggered by rain events. To investigate the causes of diurnal rhythm of ascospore dissemination of the apple scab fungus ascospore releases were examined continuously with spore traps in the orchard and with laboratory assays. One of the spore traps was illuminated at night with different light sources in each year during 2011-2015. The laboratory assays were performed with different light sources with varying wavelengths and intensities. In field and laboratory conditions only light including infrared radiation stimulated ascospore release, but not with light in the visible spectrum only. Artificial illumination during night was correlated with an increase of up to 46 % of ascospores released overnight in the field. We proved that infrared radiation induces V. inaequalis to release its spores. This is the first report in which spore discharge could be stimulated during night under field conditions.  
  Address Julius Kuehn-Institut, Federal Research Center for Cultivated Plants, Institute for Plant Protection in Fruit Crops and Viticulture, Schwabenheimer Strasse 101, 69221 Dossenheim, Germany  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1878-6146 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:29122177 Approved no  
  Call Number GFZ @ kyba @ Serial 2454  
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