Table 2 The 24 h acute toxicity and relative toxicity value of six acaricides to P. persimilis and TSSM
Acaricides | Mites | Acute toxicity regression equation | LC50 (mg/L) | 95% confidence interval (mg/L) | χ2 | Correlation coefficient | Relative toxicity value |
|---|---|---|---|---|---|---|---|
Cyflumetofen | TSSM | y = 1.32 x + 4.28 | 3.53 | 2.68–4.63 | 22.37 | 0.9098 | 474.79 |
P. persimilis | y = 0.84 x + 2.28 | 1676.49 | 1139.43–2503.48 | 14.84 | 0.8940 | ||
Cyetpyrafen | TSSM | y = 2.99 x + 5.25 | 0.83 | 0.64–1.01 | 38.67 | 0.9217 | 3264.91 |
P. persimilis | y = 0.52 x + 3.22 | 2696.81 | 1299.33–7196.37 | 8.75 | 0.9697 | ||
Bifenazate | TSSM | y = 2.52 x + 1.82 | 18.26 | 15.74–21.33 | 10.05 | 0.9231 | 1535.08 |
P. persimilis | y = 1.62 x − 2.22 | 28,034.62 | 15,151.64–142,137.20 | 9.44 | 0.7269 | ||
Diafenthiuron | TSSM | y = 1.37 x + 1.22 | 582.41 | 451.63–748.33 | 17.00 | 0.9131 | 90.21 |
P. persimilis | y = 1.02 x + 0.18 | 52,540.56 | 26,550.79–208,612.30 | 7.26 | 0.7174 | ||
Etoxazole | TSSM | y = 3.08 x − 6.42 | 5108.31 | 4497.43–5808.78 | 9.22 | 0.9241 | 4.39 |
P. persimilis | y = 2.40 x − 5.44 | 22,424.00 | 18,637.66–29,620.21 | 21.81 | 0.8503 | ||
Spirodiclofen | TSSM | y = 2.04 x − 2.45 | 4436.07 | 3701.96–5209.52 | 7.13 | 0.9758 | 7.17 |
P. persimilis | y = 1.31 x − 0.91 | 31,811.78 | 20,694.30–65535.53 | 16.04 | 0.7781 |