Table 2. Insecticidal activity of six eco-friendly organic materials (EFAM) and one chemical insecticide (fenitrothion EC) against R. mikado at 1, 3, 7 days after treatment (DAT) in laboratory conditions (25±2°C, 70±10% RH, 16L:8D) with statistics for one-way ANOVA. Control was a group of water-sprayed instead of insecticidal materials. Different letters indicate significant difference of R. mikado mortality based on Tukey’s HSD test.

Treatment Mortality (%, mean ± S.D.)
1 DAT 3 DAT 7 DAT
Fenitrothion EC 98.1 ± 3.21 a 100.0 ± 0.00 a 100.0 ± 0.00 a
EFAM A 56.7 ± 11.55 b 85.0 ± 4.33 a 100.0 ± 0.00 a
EFAM B 25.9 ± 12.83 bcd 33.3 ± 16.67 bc 88.9 ± 11.11 a
EFAM C 31.5 ± 22.45 bc 48.1 ± 11.56 b 85.2 ± 13.98 a
EFAM D 11.1 ± 5.56 cd 22.2 ± 11.11 bc 37.0 ± 12.83 b
EFAM E 7.4 ± 3.21 cd 18.5 ± 8.49 c 33.3 ± 14.70 b
EFAM F 5.6 ± 9.62 cd 11.1 ± 5.56 c 20.4 ± 8.49 b
Control 0.0 ± 0.00 d 7.4 ± 6.42 c 16.7 ± 9.62 b
Statistics F 28.04 41.30 37.12
d.f. 7, 16 7, 16 7, 16
P <0.001 <0.001 <0.001