Submitted: 28 September 2026 Posted: 29 September 2026 You are already at the latest version Aspergillus oryzae XJ-1 is a highly pathogenic fungus against locusts. However, whether it likes Aspergillus flavus to produce aflatoxin (AF), a serious toxin and not safety to mammals, is questioned for further development as a biological control agent. In this study, we first test the AF production from 4 strains: Aspergillus. oryzae XJ-1 (A.oryzae XJ-1), non-aflatoxigenic Aspergillus. oryzae (NAF A.