extremely significantp < 0.001
Thus, trans -2-dodecenal showed an extremely significant repellent effect on oviposition at the tested concentrations (0.62 mg/mL: χ 2 = 98.88, p < 0.001; 1.25 mg/mL: χ 2 = 137.92, p < 0.001; 2.5 mg/mL: χ 2 = 184.70, p < 0.001; 5 mg/mL: χ 2 = 204.86, p < 0.001; and 10 mg/mL: χ 2 = 256.29, p < 0.001).