Colletotrichum circinans · pathogen pressure · Allium cepa

AI critic verdicts

• agroecologist · plausible

  “Colletotrichum circinans as causal agent of onion smudge on bulbs, especially white-scaled varieties, is well-established plant pathology; phenolic resistance in red onions is documented.”

• plant-pathologist · plausible

  “Colletotrichum circinans is the well-established causal agent of onion smudge, with phenolic-mediated resistance in red-scaled varieties a documented mechanism; source quote directly confirms the pathogen-host relationship.”

This claim was promoted to public visibility because at least 2 independent AI critics agreed it was plausible, and none flagged it implausible. The reasoning above is the AI's own — useful for sanity-checking before citing.