Table 2: Probit values of plant aqueous extracts and silver nanoparticles synthesized using leaves of Ambrosia arborescens against Aedes aegypti third instar larvae.

TreatmentLC50 (ppm)95% fiducial limits (LCL–UCL)LC90 (ppm)95% fiducial limits (LCL–UCL)χ2

Plant aqueous extract1844.611489.16–2146.466043.955031.51–7970.182.01NS
AgNPs0.280.26–0.290.430.41–0.480.9NS

LC50: lethal concentration that kills 50% of the exposed larvae; LC90: lethal concentration that kills 90% of the exposed larvae; LCL: lower confidence limit; UCL: upper confidence limit; χ2: chi-square test; NSnot significant at level.