Ramularia collo-cygni - an enemy in waiting

F Dussart*, Henry E. Creissen, ND Havis

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Ramularia collo-cygni, the agent responsible for Ramularia leaf spot disease of barley, possesses many mechanisms for avoiding detection by the host, which enables it to survive as an endophyte for much of the plant’s life cycle before eventually turning pathogenic. The fungus has also eluded farmers and scientists for decades as it is a late season disease that often displays symptoms after the last possible fungicide intervention when crop scouting for disease has been completed. Visual symptoms are also hard to distinguish from other pathogens which has resulted in misdiagnoses. The ability of the fungus to spread not only via infected seed, but also on infected straw and wind dispersal, coupled with its ability to rapidly evolve resistance to fungicides, has resulted in an escalation in the perceived threat it presents to barley production worldwide. A greater understanding of the plant-fungus interaction is required if future control strategies are to be successful.
Original languageEnglish
Title of host publicationeLS
Pages1-8
ISBN (Electronic)9780470016176
DOIs
Publication statusFirst published - 16 Jan 2020

Publication series

NameeLS
PublisherJohn Wiley & Sons Ltd.

Keywords

  • Ramularia leaf spot
  • Integrated crop management
  • Barley
  • Fungal pathogens
  • Endophyte

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