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Table 2 Corrected mortality (%) of tick larvae caused by acetone extracts (100 mg/mL) of different plant species (N = 4)

From: Addition of a surfactant to water increases the acaricidal activity of extracts of some plant species used to control ticks by Zimbabwean smallholder farmers

Plant species

Mean mortality (%)

Corrected mortality ± SEM (%)

Maerua edulis (leaf)

97

97 ± 3.3a

Maerua edulis (tuber)

93

93 ± 6.7a

Kleinia sp.

90

90 ± 5.8a

Monadenium lurgadae

83

83 ± 3.3b

Cassia abbreviata

77

77 ± 6.7b

Cissus quadrangularis

57

57 ± 6.7c

Aloe excelsa

53

53 ± 16.7c

Osyris lanceolata

53

53 ± 12.2c

Albizia amara

43

43 ± 13.3d

Ricinus communis

43

43 ± 14.5d

Carissa edulis

37

37 ± 14.5d

Terminalia sericea

27

27 ± 12.0e

Croton gratissimus

23

23 ± 8.8e

Ornithogalum sp.

20

20 ± 20e

Amitraz (positive control)

100

100a

Acetone (negative control)

0

0f

  1. Corrected mortality values with different superscripts letters are significantly different within the column (P < 0.05)