OECD 221
Lemna sp. Growth Inhibition Test
Test design | |
---|---|
Test species | Lemna sp. |
Life stage | Young, rapidly growing plants without visible lesions or discoloration |
Route of exposure | Contact |
Endpoints | Growth Inhibition (EC50); Phytotoxicity |
Test duration | 7 days |
Test unit | 100 mL of dilution water |
Test concentrations | 5 |
Replicates | 3 |
Specimens | 3-6 colonies for a total of 9-12 fronds |
Temperature | 24 +/- 2 °C |
Light | Intensity PAR : 85 – 135 µE.m-2.s-1 |
Substrate | Dilution water: SIS medium |
Treatment application | Spiked water |
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