Susceptibility of Tetranychus urticae Koch to an ethanol extract of Cnidoscolus aconitifolius leaves under laboratory conditions

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Table 4 Mean fertility of T. urticae females treated with the ethanol extract of C. aconitifolius leaves for three days under laboratory conditions (19 ± 0.2 °C and 60 ± 2%)

Concentration (µg/mL)	Per capita fecundity (eggs/day/female) ± standard error^a
Concentration (µg/mL)	24 h	48 h	72 h
Positive control^b	1.03 ± 0.02 a	1.14 ± 0.06 a	1.28 ± 0.1 a
0	0.56 ± 0.05 b	0.80 ± 0.11 b	1.05 ± 0.04 b
10	0.37 ± 0.04 bc	0.39 ± 0.04 c	0.54 ± 0.07 c
50	0.22 ± 0.04 cd	0.28 ± 0.05 c	0.34 ± 0.03 d
100	0.35 ± 0.06 bc	0.36 ± 0.06 c	0.32 ± 0.06 d
600	0.09 ± 0.02 d	0.15 ± 0.04 c	0.29 ± 0.04 d
1200	0.16 ± 0.04 cd	0.24 ± 0.04 c	0.24 ± 0.04 d
1600	0.27 ± 0.06 cd	0.23 ± 0.07 c	0.17 ± 0.03 d
2000	0.19 ± 0.04 cd	0.20 ± 0.05 c	0.17 ± 0.02 d

^aTreatments followed by the same letter are not significantly different at α = 0.05.
^bDistilled water + commercial acaricide (active ingredient Chlorfenapyr 24%). Applied dose: 0.4 cm³/mL.