Talking Trees

Erwinia amylovora

Subscriber Episode • • Arboricultural Academy • Season 2025 • Episode 126

This episode is only available to subscribers.

In this episode of Talking Trees, we dive into the bacterial disease Erwinia amylovora, commonly known as fire blight. Listeners learn about the origins, biology, and symptoms of this aggressive pathogen that primarily affects apple and pear trees. The discussion covers essential practices for managing outbreaks, including preventive measures, proper sanitation, pruning techniques, and considerations for chemical control. A comprehensive episode providing valuable insights for arborists and horticulturalists dealing with fire blight.

Background information:

  • Doolotkeldieva et Bobusheva. 2016. Fire Blight Disease Caused by Erwinia amylovora on Rosaceae Plants in Kyrgyzstan and Biological Agents to Control This Disease.pdf
  • IPPC. 2016. Erwinia amylovora.pdf
  • Pedroncelli et Puopolo. 2023. This tree is on fire_ a review on the ecology of Erwinia amylovora, the causal agent of fire blight disease.pdf


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