Table 2 Levels of cross-resistance of Aphis glycines from field-collected SBA-MN1-2017 across different classes of insecticides; common name (IRAC classification).
Insecticide | Population | na | LC50 (95% CI) | Slope ± SE | χ2 (df)b | RRc |
---|---|---|---|---|---|---|
Bifenthrin (pyrethroid) | SBA-ISU-B1 | 540 | 0.66 (0.52–0.81) | 2.28 ± 0.37 | 11.18 (6) | 33.90 |
SBA-MN1-2017 | 540 | 22.38 (16.18–28.59) | 1.99 ± 0.40 | 8.13 (6) | ||
Flonicamid (flonicamid) | SBA-ISU-B1 | 540 | 0.44 (0.22–0.65) | 1.16 ± 0.29 | 4.49 (6) | 0.97 |
SBA-MN1-2017 | 540 | 0.43 (0.25–0.61) | 1.22 ± 0.25 | 6.99 (6) | ||
Flupyradifurone (butenolides) | SBA-ISU-B1 | 840 | 0.07 (0.04–0.11) | 0.65 ± 0.06 | 15.84 (10) | 2.28 |
SBA-MN1-2017 | 840 | 0.16 (0.10–0.23) | 0.83 ± 0.07 | 10.95 (10) | ||
Sulfoxaflor (sulfoximines) | SBA-ISU-B1 | 540 | 0.02 (0.01–0.03) | 1.07 ± 0.14 | 9.53 (6) | 2.00 |
SBA-MN1-2017 | 540 | 0.04 (0.02–0.05) | 1.07 ± 0.12 | 3.85 (6) | ||
Spirotetramat (tetramic acid) | SBA-ISU-B1 | 540 | 55.07 (31.58–78.57) | 1.02 ± 0.19 | 4.36 (6) | 0.73 |
SBA-MN1-2017 | 540 | 40.71 (25.40–56.01) | 0.95 ± 0.13 | 9.51 (6) |