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AI Chatbot Reportedly Recommended Herbicide Treatment Linked to Loss of About 25 Acres of Sesame in China

Occurred
Jul 10, 2026
Published
Aug 9, 2026
Source
AI Incident Database

Summary

A 67-year-old farmer in Chuzhou, Anhui, reportedly used an AI-generated weed-and-pest-control plan to spray about 150 mu (25 acres) of sesame by drone. By the next day, the crop had largely withered. Agricultural technicians said the recommended mixture included fomesafen, a herbicide unsuitable for blanket application to sesame. The specific AI product and model have not been publicly confirmed.

Developers

  • Large language model developers
  • Chatbot developers

Deployers

  • Wu (Chuzhou farmer)
  • Chatbot users

Harmed parties

  • Wu (Chuzhou farmer)
  • Farmers in China
  • Farmers
  • Epistemic integrity
  • Chatbot users

Classification

Category confidence: 85%
Severity confidence: 80%

Rationale: AI chatbot provided harmful agricultural advice causing crop loss, fitting LLM failure category with medium severity due to financial loss.

Classifier: Qwen/Qwen3.5-35B-A3B-FP8

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