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Isanti council hears U of M proposal to inject fungi into 100 city ash trees to fight emerald ash borer
Summary
A University of Minnesota doctoral candidate proposed a trial to inject entomopathogenic fungi into 100 city‑owned ash trees and monitor effects through May 2031; council members signaled support and asked staff to add a draft letter of support to the next council agenda.
Colin, a doctoral candidate at the University of Minnesota, told the Isanti City Committee of the Whole that his lab has spent three years testing entomopathogenic fungi such as Purpureocillium as a targeted treatment against emerald ash borer.
He said the proposed pilot would involve injecting a suspension of fungal spores into 100 city‑owned ash trees and monitoring treated and untreated trees through May 2031 to compare survival and…
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