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Table 7 Effect of the tested insecticides on total phenol contents of tomato plants

From: Comparative toxicity of new insecticides generations against tomato leafminer Tuta absoluta and their biochemical effects on tomato plants

Insecticides

Total phenol (mg/g fresh weight) at indicated days after treatment (mean ± SD)

Before spray

One

Three

Five

Seven

Challenger

100.11 ± 11.56

88.92 ± 7.8b

81.74 ± 3.68b

78.91 ± 3.81b

70.31 ± 2.89b

Coragen

104.94 ± 4.0

76.3 2 ± 3.1c

71.55 ± 4.7c

66.96 ± 2.2de

61.13 ± 2.0c

Emperor

111.83 ± 4.20

76.67 ± 2.5c

67.84 ± 2.0c

62.89 ± 2.2e

59.71 ± 1.5c

Radiant

117.13 ± 2.3

89.92 ± 9.0b

79.85 ± 3.2b

69.78 ± 3.0cd

61.48 ± 2.5c

Vapcomic

104.94 ± 4.0

86.74 ± 3.2bc

78.09 ± 4.5b

74.91 ± 7.5bc

62.36 ± 2.2c

Control

122.43 ± 4.42

124.20 ± 8.3a

126.14 ± 1.8a

121.02 ± 3.0a

121.19 ± 6.4a

LSD0.05

NS

10.87

5.14

5.84

5.69

  1. L.S.D0.05 least significant difference at 0.05 level of probability; N.S not significant difference at 0.05 level of probability; Means accompanied by the same letter in a column are not significantly different at 0.05 level of probability