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Table 5 Reduction percentages of Tuta absoluta infestation treated with the most potent insecticides

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

Insecticides Rate of application (Cm3/F) Before-spray Reduction (%) at indicated duration after application (mean ± SD) Average reduction %
Initial effect Residual effect  
Alive larvae (AL) % Infestation 1 day 3 days 5 days 7 days  
AL %R AL %R AL %R AL %R  
Challenger 410.0 20.33 ± 3.2 67.77 ± 3.2 9.33 ± 1.5b 60.65 ± 1.5c 4.67 ± 0.6b 78.67 ± 0.6b 3.67 ± 0.6b 84.74 ± 0.5b 1.67 ± 0.6b 91.27 ± 0.5 84.89b
Coragen 6.0 18.33 ± 3.1 61.10 ± 3.1 4.67 ± 0.6cd 78.18 ± 1.5b 1.67 ± 1.5b 91.55 ± 1.6a 0.67 ± 1.2cd 96.92 ± 1.2a 0.33 ± 0.6b 98.06 ± 0.6 95.51a
Emperor 200.0 24.67 ± 7.8 82.23 ± 1.5 2.00 ± 1.0d 93.05 ± 1.0a 1.00 ± 1.0b 96.23 ± 1.0a 0.00 ± 0.0d 100.0 ± 0.0a 0.00 ± 0.0b 100.00±0.0 98.74a
Radiant 25.0 19.33 ± 2.1 64.43 ± 2.1 7.67 ± 1.5bc 66.00 ± 1.6c 4.00 ± 1.0b 80.77 ± 1.0b 2.67 ± 0.6bc 88.33 ± 0.5b 0.67 ± 0.6b 96.33±0.5 88.48b
Vapcomic 270.0 21.33 ± 7.8 71.10 ± 7. 8 5.00 ± 2.0cd 79.91 ± 2.0b 4.33 ± 0.6b 81.12 ± 0.5b 3.67 ± 1.2b 85.46 ± 1.1b 0.67 ± 1.2b 96.67 ± 0.6 87.75b
Control 22.00 ± 3.0 73.33 ± 3.0 25.67 ± 2.5a 23.67 ± 7.8a 26.00 ± 3.0a 20.67 ± 4.04a - -
LSD 0.05   NS NS 3.11 11.93 5.73 8.56 2.55 6.38 3.14 NS 5.28
  1. (%R= Reduction percentages of infestation; 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. AL= Alive Larvae)