Table 2. Normalized variable slope sigmoidal dose response curve fit, slope, and LC50 values (µmol active ingredient (AI)/cm2 ) for each insecticide at different Zeitgeber time points (N = data pooled across treatment days to each replicate vial).
Malathiona | Fenpropathrinb | ||||||||
Time | N | R2 | Slope ± SE | LC50 (95% CI) | N | R2 | Slope ± SE | LC50 (95% CI) | |
ZT0 | 6am | 3 | 0.7305 | 2.13±0.52 | 9.25E-5 (7.15E-5–1.20E-4) | 3 | 0.8809 | 2.48±0.30 | 1.77E-4(1.61E-4–1.94E-4) |
ZT6 | 12pm | 3 | 0.8173 | 2.37±0.47 | 1.01E-4 (8.42E-5–1.22E-4) | 3 | 0.8840 | 2.32±0.27 | 1.82E-4 (1.66E-4–2.00E-4) |
ZT12 | 6pm | 3 | 0.8664 | 2.93±0.57 | 1.21E-4 (1.06E-4–1.39E-4) | 3 | 0.8905 | 1.89±0.19 | 1.85E-4 (1.68E-4–2.03E-4) |
ZT20 | 2am | 3 | 0.8923 | 4.76±1.13 | 1.44E-4 (1.29E-4–1.60E-4) | 3 | 0.8295 | 1.73±0.21 | 1.55E-4 (1.37E-4–1.76E-4) |
H0 2 parameters (Slope and LC50) same for all data sets; F 6,124 = 3.52, P = 0.0030.
H0 2 parameters (Slope and LC50) same for all data sets; F 6,136 = 2.04, P = 0.0644.