Pink root of onion caused by Phoma (Pyrenochaeta) terrestris is a devastating soilborne pathogen of onion worldwide. Infected roots are noticeable by a pink to red color at early stages of the disease and eventually dark in color and death of the plant. The pathogen has a wide host range.
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TriCal Australia knew it could help solve yield problems on an onion farm in Myalup, WA. Soil health was deteriorating, with higher rates of Pink Root, Rhizoctonia, Fusarium, Verticillium wilts, Sclerotinia, Pythium, and parasitic nematodes all being detected in soil DNA tests.
Pink root of onion caused by Phoma (Pyrenochaeta) terrestris is a devastating soilborne pathogen of onion worldwide. Infected roots are noticeable by a pink to red color at early stages of the disease and eventually dark in color and death of the plant. The pathogen has a wide host range.