Table 12.

Mean (%) mortality ± standard error (SE) of A. diaperinus adults and larvae after 4 h, 8 h, 16 h, and 1–7 days on wheat treated with A. oleracea n-hexane and methanol extracts at two different concentrations

Adults	n-Hexane extract 500 ppm	n-Hexane extract 1000 ppm	Methanol extract 500 ppm	Methanol extract 1000 ppm	F	P
4 h	0.0 ± 0.0	0.0 ± 0.0	0.0 ± 0.0	0.0 ± 0.0	-	-
8 h	0.0 ± 0.0	0.0 ± 0.0	0.0 ± 0.0	0.0 ± 0.0	-	-
16 h	0.0 ± 0.0	0.0 ± 0.0	0.0 ± 0.0	0.0 ± 0.0	-	-
1 day	0.0 ± 0.0	0.0 ± 0.0	0.0 ± 0.0	1.1 ± 1.1	1.0	0.41
2 days	0.0 ± 0.0	0.0 ± 0.0	0.0 ± 0.0	1.1 ± 1.1	1.0	0.41
3 days	0.0 ± 0.0	0.0 ± 0.0	0.0 ± 0.0	1.1 ± 1.1	1.0	0.41
4 days	0.0 ± 0.0	0.0 ± 0.0	0.0 ± 0.0	1.1 ± 1.1	1.0	0.41
5 days	0.0 ± 0.0	0.0 ± 0.0	0.0 ± 0.0	1.1 ± 1.1	1.0	0.41
6 days	0.0 ± 0.0	0.0 ± 0.0	0.0 ± 0.0	2.2 ± 1.5	2.3	0.10
7 days	0.0 ± 0.0	1.1 ± 1.1	1.1 ± 1.1	3.3 ± 1.7	1.5	0.24
F	-	1.0	1.0	1.0
P	-	0.45	0.45	0.46
Larvae
4 h	0.0 ± 0.0C	0.0 ± 0.0E	0.0 ± 0.0D	0.0 ± 0.0D	-	-
8 h	0.0 ± 0.0C	0.0 ± 0.0E	0.0 ± 0.0D	0.0 ± 0.0D	-	-
16 h	0.0 ± 0.0Cb	5.6 ± 1.8Da	0.0 ± 0.0Db	2.2 ± 1.5CDab	5.3	0.01
1 day	1.1 ± 1.1Cb	16.7 ± 2.9Ca	6.7 ± 1.7Cab	6.7 ± 3.3Cab	6.5	< 0.01
2 days	21.1 ± 3.9Bb	44.4 ± 4.8Ba	24.4 ± 2.4Bab	36.7 ± 4.4Bab	4.1	0.01
3 days	56.7 ± 4.7Aab	71.1 ± 5.4ABa	46.7 ± 2.9Ab	65.6 ± 4.4ABa	5.3	0.01
4 days	73.3 ± 5.0Ab	92.2 ± 2.8ABa	60.0 ± 3.3Ab	91.1 ± 4.8Aa	12.5	< 0.01
5 days	85.6 ± 4.1Aa	100.0 ± 0.0Aa	64.4 ± 4.1Ab	98.9 ± 1.1Aa	23.8	< 0.01
6 days	94.4 ± 2.4Aa	100.0 ± 0.0Aa	75.6 ± 3.4Ab	100.0 ± 0.0Aa	26.0	< 0.01
7 days	100.0 ± 0.0Aa	100.0 ± 0.0Aa	83.3 ± 5.0Ab	100.0 ± 0.0Aa	10.2	< 0.01
F	206.2	116.3	197.5	114.4
P	< 0.01	< 0.01	< 0.01	< 0.01

Within each row, means followed by the same lowercase letter are not significantly different (df = 3, 35; Tukey's HSD test at P = 0.05). Within each column, means followed by the same uppercase letter are not significantly different (df = 9, 89; Tukey's HSD test at P = 0.05). Where no letters exist, no significant differences were recorded. Where dashes exist, no statistical analysis was performed