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Ecotoxicological information

Toxicity to aquatic plants other than algae

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Description of key information

Diuron is toxic to Lemna gibba (duckweed).

Key value for chemical safety assessment

Additional information

The (7 d) EC50 (growth) and NOEC values forLemna gibba(duckweed) were 18.3 µg/L and 3.4 µg/L respectively following exposure to Diuron according to a OECD 221 test (Dorgerloh, 1999).