Table 3 Aquatic toxicity of selected herbicidal combination products and the active substances contained therein
From: Predicting the aquatic toxicity of commercial pesticide mixtures
Lemna growth inhibition | Algal growth inhibition | Acute toxicity to Daphnia | Acute toxicity to fish | |
|---|---|---|---|---|
2,4-D (0.473) and Triclopyr (0.527) | EC50: n.a. MDR: n.a. | EC50: 8.48 MDR: 3.7 | EC50: 0.124 MDR: 66.2 | LC50: 0.212 MDR: 314.2 |
Mecoprop-P (0.617) and Ioxynil (0.383) | EC50: 0.685 MDR: 0.1 | EC50: 1.72 MDR: 31.0 | EC50: 0.057 MDR: > 150.6 | LC50: 0.180 MDR: 115.1 |
Fluroxypyr (0.333) and Ioxynil (0.333) and Bromoxynil (0.333) | EC50: 0.147 MDR: n.a. | EC50: 2.02 MDR: 0.9 | EC50: 0.020 MDR: > 394.5 | LC50: 0.072 MDR: > 243.2 |
2,4-D (O) | n.a. | 24.2 | 4.0 | 45.0 |
Triclopyr (O) | n.a. | 42.0 | 132.9 | 117.0 |
Mecoprop-P (O) | 1.57 | 223.1 | > 100 | 198.3 |
Fluroxypyr (O) | n.a. | 49.8 | > 100 | > 100 |
Ioxynil (C) | 0.027 | 24.0 | 3.5 | 8.5 |
Bromoxynil (C) | 0.033 | 0.65 | 12.5 | 23.0 |