Table 4 Relative toxicity of binary mixtures against second instars of S. litura and measures of interactions
From: A plant-based extract mixture for controlling Spodoptera litura (Lepidoptera: Noctuidae)
Crude A | Crude B | Compound alone | Binary Mixtures | χ 2 | Effect | ||
|---|---|---|---|---|---|---|---|
Observed A | Observed B | Expected | Observed | ||||
1.448 µg/larva P. retrofractum | 3.294 µg/larva A. calamus | 0.10 | 0.07 | 0.16 | 0.27 | 7.06 | Synergistic |
1.448 µg/larva P. retrofractum | 6.735 µg/larva A. calamus | 0.10 | 0.17 | 0.25 | 0.37 | 5.41 | Synergistic |
3.213 µg/larva P. retrofractum | 3.294 µg/larva A. calamus | 0.23 | 0.07 | 028 | 0.47 | 12.16 | Synergistic |
3.213 µg/larva P. retrofractum | 6.735 µg/larva A. calamus | 0.23 | 0.17 | 0.36 | 0.50 | 5.58 | Synergistic |