Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
10143021 | Fungal Ecology | 2018 | 12 Pages |
Abstract
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.
Keywords
Related Topics
Life Sciences
Agricultural and Biological Sciences
Ecology, Evolution, Behavior and Systematics
Authors
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,