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Table 4 Larvicidal activity of neem oil formulation against Aedes mosquitoes in field

From: Larvicidal activity of neem oil (Azadirachta indica) formulation against mosquitoes

Breeding sites Pre treatment larval density pH Percent reduction of larval density (Mean ± sd)
Day-1 Day-2 Day-3 Day-7
Tyres 10.3 ± 4.1 8.0–9.0 94.3 ± 4.5 98.6 ± 1.4 100 100
Machinery scraps 14.5 ± 8.6 8.0–9.0 96.0 ± 3.0 100 100 100
Iron container 19.2 ± 5.7 8.5 98.1 ± 1.5 100 100 100
Iron box 11.0 ± 6.0 8.0–8.5 96.9 ± 2.0 100 100 100
Iron tanks 9.0 ± 2.6 8.0–8.5 85.2 ± 6.5 100 100 100
Plastic scrap 6.0 8.5 100 100 100 100
    95.1 ± 5.2 99.7 ± 0.3 100 100
  1. Total replicates: 21