Table 2 Assay performance. Specific growth rate (SGR, d−1) and photosynthetic efficiency (ΔF/Fm′) measurements of control and reference (diuron, 4 µg L−1) treatments and diuron reference percent inhibition effect (Ref. inh (%)) (mean ± SD; n = 5 per treatment).
From: Toxicity of ten herbicides to the tropical marine microalgae Rhodomonas salina
Herbicide | SGR d−1 | ΔF/Fm′ | ||||
|---|---|---|---|---|---|---|
Control | Reference | Ref. inh. (%) | Control | Reference | Ref. Inh. (%) | |
Diuron | 1.20 ± 0.01 | 0.82 ± 0.03 | 31.4 ± 2.14 | 0.53 ± 0.01 | 0.10 ± 0.01 | 80.2 ± 1.4 |
Metribuzin | 1.29 ± 0.02 | 0.55 ± 0.04 | 57.2 ± 2.8 | 0.47 ± 0.01 | 0.03 ± 0.01 | 93.9 ± 1.4 |
Hexazinone | 1.24 ± 0.04 | 0.77 ± 0.06 | 37.7 ± 4.8 | 0.51 ± 0.01 | 0.08 ± 0.01 | 84.8 ± 1.0 |
Bromacil | 1.07 ± 0.06 | 0.47 ± 0.06 | 55.9 ± 5.8 | 0.45 ± 0.02 | 0.05 ± 0.01 | 89.0 ± 1.8 |
Tebuthiuron | 1.27 ± 0.02 | 0.59 ± 0.06 | 46.4 ± 4.3 | 0.47 ± 0.01 | 0.01 ± 0.01 | 97.7 ± 2.2 |
Simazine | 1.18 ± 0.03 | *0.92 ± 0.06 | *22.0 ± 5.1 | 0.49 ± 0.01 | 0.08 ± 0.01 | 83.2 ± 0.8 |
Propazine | 1.19 ± 0.02 | 0.61 ± 0.05 | 48.3 ± 3.8 | 0.52 ± 0.01 | 0.10 ± 0.01 | 81.4 ± 1.9 |
Imazapic | 1.22 ± 0.03 | 0.85 ± 0.02 | 30.1 ± 2.2 | 0.52 ± 0.01 | 0.11 ± 0.01 | 78. 7 ± 1.2 |
Haloxyfop | 1.18 ± 0.05 | 0.80 ± 0.01 | 31.8 ± 1.4 | 0.47 ± 0.01 | 0.10 ± 0.01 | 78.4 ± 2.0 |
2,4 D | 1.13 ± 0.07 | 0.71 ± 0.04 | 37.0 ± 3.8 | 0.47 ± 0.01 | 0.07 ± 0.01 | 84.5 ± 1.9 |
