This year, we have recently been finding Armillaria root rot at an increased frequency on Arborvitae samples submitted to the Purdue University Plant and Pest Diagnostic Lab. This is a fungal disease, caused by fungi in the genera Armillaria or Desarmillaria. Desarmillaria is a more recent name given to two species of basidiomycetes (2018 and…Read more about Armillaria root rot[Read More]
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Landscape Report
root rot
Plants that show little growth, are stunted, or are wilted and in active decline are all hallmarks of root stress. Some of the more prominent pathogens that cause root rot include Fusarium, Phytophthora, Pythium, and Rhizoctonia, but there is another fungus which can cause just as much damage in the right situation that does not…Read more about Cylindrocladium Root Rot[Read More]
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