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Phytoparasitica

, Volume 45, Issue 4, pp 577–581 | Cite as

First report of the recently introduced, destructive powdery mildew Erysiphe corylacearum on hazelnut in Turkey

  • Arzu SezerEmail author
  • F. Sara Dolar
  • Stuart J. Lucas
  • Çiğdem Köse
  • Ebru Gümüş
Article

Abstract

Hazelnut (Corylus avellana) is Turkey’s most valuable agricultural export, and an essential source of income for many families in the Black Sea Region. In spring 2013, hazelnut leaves, fruit clusters and shoots showing powdery mildew infection symptoms different from those observed previously were discovered in Giresun, Ordu and Trabzon provinces of Turkey. The disease has become epidemic throughout all hazelnut production areas spreading from east to west of the Black Sea Region over the subsequent years. Erysiphe corylacearum was identified as the causal agent of this new and highly destructive powdery mildew based on its morphological characteristics and analyses of DNA sequences of the internal transcribed spacer (ITS) and 28S regions of the ribosomal DNA. Pathogenicity of this species was examined in an infection test and proven for the first time. To our knowledge, this is the first report of E. corylacearum on Corylus avellana worldwide.

Keywords

Erysiphaceae Phyllactinia guttata Microsphaera hommae 

Notes

Acknowledgments

This work has been carried out thanks to the facilities provided by Ministry of Food Agriculture and Livestock of Turkey and Sabancı University.

Supplementary material

12600_2017_610_MOESM1_ESM.pdf (61 kb)
ESM 1 (PDF 60 kb)

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Copyright information

© Springer Science+Business Media B.V. 2017

Authors and Affiliations

  • Arzu Sezer
    • 1
    Email author
  • F. Sara Dolar
    • 2
  • Stuart J. Lucas
    • 3
  • Çiğdem Köse
    • 1
  • Ebru Gümüş
    • 1
  1. 1.Ministry of Food Agriculture and Livestock of TurkeyHazelnut Research Institute, Teyyaredüzü Mah.GiresunTurkey
  2. 2.Department of Plant Protection, Faculty of AgricultureUniversity of AnkaraAnkaraTurkey
  3. 3.Nanotechnology Research and Application Center, Orta MahalleSabancı UniversityTuzla, İstanbulTurkey

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