Management of Phytophthora Root and Runner Rot in Cranberry

by Peter V. Oudemans, Extension Specialist
and Anne DeMarsay, Post Doctoral Researcher

Vines affected by Phytophthora Root and Runner Rot will decline from the root system up. Accurate diagnosis is important and may require identification by a trained plant pathologist.
Key factors for effective management include:

  • Identification of the pathogen
  • Soil drainage rates
  • Soil drainage uniformity
  • Irrigation uniformity
  • Irrigation volume
  • Timing of fungicide applications

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