Table 2 EC50 values for four biotests with the nitrification inhibitors Piadin and Vizura
From: Evaluating the ecotoxicity of nitrification inhibitors using terrestrial and aquatic test organisms
Biotest | Species | Endpoint | Piadin EC50 (mL L−1) | Vizura EC50 (mL L−1) |
|---|---|---|---|---|
Lemna | Lemna gibba | Frond number | 0.4 | 2.7 |
Frond area | 0.4 | 2.9 | ||
Seed germination | Agrostemma githago | Germination | 30.8 | 20.9 |
Root length | 2.5 | 1.3 | ||
Fagopyrum esculentum | Germination | 34.4 | 45.3 | |
Root length | 5.7 | 2.3 | ||
Glycine max | Germination | – | 54.2 | |
Root length | – | 3.7 | ||
Hordeum vulgare | Germination | 45.3 | 12.4 | |
Root length | 3.9 | 1.4 | ||
Lunaria annua | Germination | 5.9 | 3.5 | |
Root length | 1.7 | 1.8 | ||
Zea mays | Germination | 53.2 | – | |
Root length | 12.3 | 9.4 | ||
Seedling growth | Agrostemma githago | Plant height | 5.7 | 4.2 |
Dry weight | 3.1 | 2.2 | ||
Fagopyrum esculentum | Plant height | 6.2 | 8.7 | |
Dry weight | 3.8 | 3.5 | ||
Zea mays | Plant height | 12.6 | 21.5 | |
Dry weight | 18.1 | 22.7 | ||
Bacteria test | Aliivibrio fischeri | Luminescence | 111 | 3 |