Publications
NIBIOs employees contribute to several hundred scientific articles and research reports every year. You can browse or search in our collection which contains references and links to these publications as well as other research and dissemination activities. The collection is continously updated with new and historical material.
2018
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Marie-Laure Desprez-Loustau Marie Massot Maude Toïgo Tania Fort Ayse Gülden Aday Kaya Johanna Boberg Uwe Braun Xavier Capdevielle Thomas Cech Anne Chandelier Petya Christova Tamara Corcobado Tugba Dogmus Cyril Dutech Olivier Fabreguettes Julie Faivre d'Arcier Andrin Gross Marilia Horta Jung Eugenia Iturritxa Thomas Jung Corina Junker Levente Kiss Kaloyan Kostov Asko Lehtijarvi Aneta Lyubenova Benoit Marçais Jonas Oliva Funda Oskay Martin Pastirčák Katarína Pastircakova Dominique Piou Gilles Saint-Jean Arnaud Sallafranque Slavtcho Slavov Jan Stenlid Venche Talgø Susumu Takamatsu Ayco JM. TackAbstract
The spatial distribution and niche differentiation of three closely related species (Erysiphe alphitoides, Erysiphe quercicola and Erysiphe hypophylla) causing oak powdery mildew was studied at scales ranging from the European continent, where they are invasive, to a single leaf. While E. alphitoides was dominant at all scales, E. quercicola and E. hypophylla had restricted geographic, stand and leaf distributions. The large-scale distributions were likely explained by climatic factors and species environmental tolerances, with E. quercicola being more frequent in warmer climates and E. hypophylla in colder climates. The extensive sampling and molecular analyses revealed the cryptic invasion of E. quercicola in nine countries from which it had not previously been recorded. The presence of the three species was also strongly affected by host factors, such as oak species and developmental stage. Segregation patterns between Erysiphe species were observed at the leaf scale, between and within leaf surfaces, suggesting competitive effects.
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Venche TalgøAbstract
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