Table 2 No effect concentration values (NEC, Fig. 2) and effect concentration values (EC10 and EC50, Fig. 1) for growth inhibition (SGR) and photoinhibition (ΔF/Fm′) of Cladocopium goreaui over 14 days to each herbicide.
From: Toxicity thresholds of nine herbicides to coral symbionts (Symbiodiniaceae)
Herbicide | Endpoint | SGR | ΔF/Fm′ | SGR: ΔF/Fm′ ratio |
|---|---|---|---|---|
Diuron | NEC | 2.75 (2.56–2.93) | ||
EC10 | 2.54 (2.34–2.75) | 0.29 (0.26–0.33) | 8.76 | |
EC50 | 4.45 (4.31–4.59) | 1.20 (1.15–1.26) | 3.71 | |
ReP | 1 | 1 | ||
Bromacil | NEC | 16.6 (15.4–20.6) | ||
EC10 | 18.3 (16.9–19.9) | 2.54 (2.29–2.82) | 7.20 | |
EC50 | 27.7 (26.7–28.7) | 8.36 (8.01–8.69) | 3.31 | |
ReP | 0.16 | 0.14 | ||
Hexazinone | NEC | 71.7 (63.4–91.0) | ||
EC10 | 78.7 (57.8–92.0) | 8.36 (7.14–9.80) | 9.41 | |
EC50 | 100 (96.1–141) | 33.8 (30.6–37.6) | 2.96 | |
ReP | 0.045 | 0.036 | ||
Metribuzin | NEC | 23.6 (21.3–27.5) | ||
EC10 | 22.3 (16.2–25.9) | 2.31 (2.08–2.56) | 9.65 | |
EC50 | 33.5 (30.2–50.4) | 8.75 (8.39–9.12) | 3.83 | |
ReP | 0.13 | 0.14 | ||
Propazine | NEC | 45.1 (37.0–51.1) | ||
EC10 | 50.8 (44.8–57.4) | 5.42 (4.94–5.95) | 9.37 | |
EC50 | 86.5 (83.0–90.1) | 18.7 (18.0–19.5) | 4.63 | |
ReP | 0.052 | 0.064 | ||
Simazine | NEC | 320 (234–452) | ||
EC10 | 257 (226–294) | 28.8 (23.9–35.3) | 8.92 | |
EC50 | 387 (361–416) | 93.3 (84.6–102) | 4.15 | |
ReP | 0.012 | 0.013 | ||
Tebuthiuron | NEC | 107 (84.6–136) | ||
EC10 | 138 (108–173) | 6.37 (4.79–8.50) | 21.7 | |
EC50 | 331 (300–NA) | 41.0 (36.3–46.3) | 8.07 | |
ReP | 0.013 | 0.029 | ||
Haloxyfop | NEC | > 2980 | ||
EC10 | > 2980 | > 2980 | NA | |
EC50 | > 2980 | > 2980 | NA | |
ReP | NA | NA | ||
Imazapic | NEC | > 165,000 | ||
EC10 | > 165,000 | > 165,000 | NA | |
EC50 | > 165,000 | > 165,000 | NA | |
ReP | NA | NA |
