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Table 2 Percentage of corrected mortality among T. urticae females exposed to the ethanol extract of C. aconitifolius leaves under laboratory conditions (mean ± standard error) (19 ± 0.2°C and 60 ± 2%)

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

Treatment

Dose (µg/mL)

Corrected mortality*,b

Positive controla

–

92.50 ± 1.71 a

C. aconitifolius [10]

10

2.50 ± 1.12 e

C. aconitifolius [50]

50

5.00 ± 1.29 e

C. aconitifolius [100]

100

25.00 ± 1.83 d

C. aconitifolius [600]

600

48.33 ± 7.38 c

C. aconitifolius [1,200]

1,200

61.67 ± 7.49 bc

C. aconitifolius [1,600]

1,600

77.50 ± 1.12 ab

C. aconitifolius [2,000]

2,000

92.50 ± 1.12 a

  1. * Values obtaided after 72 h of exposure.
  2. aDistilled water + commercial acaricide (active ingredient Chlorfenapyr 24%). Applied dose: 0.4 cm3/mL.
  3. bTreatments followed by the same letter showed no statistically significant difference according to the Tukey test.
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