Skip to main content

Table 3 Efficacy of different concentrations of the entomopathogenic nematode Heterorhabditis bacteriophora (HP88) against larval instars of Spodoptera littoralis under laboratory condition

From: Efficacy of entomopathogenic nematodes against Spodoptera littoralis (Boisd.) and Agrotis ipsilon (H.) (Lepidoptera: Noctuidae)

Nematode concentrationsMean % mortality of larval instars at different exposure times
IJs/dish2nd instar3rd instar4th instar5th instar6th instar
 24 h48 h72 hAverage24 h48 h72 hAverage24 h48 h72 hAverage24 h48 h72 hAverage24 h48 h72 hAverage
5044.4468.8810071.1151.118010077.0417.7873.3310063.702077.7797.7765.1822.2248.8868.8946.66
10057.7782.221008044.1872.0910072.0928.8973.3310067.4131.8210010077.2713.3335.5584.4444.44
20064.4410010088.1571.1110010090.376071.1110077.0470.4610010090.1522.2266.6610062.96
40097.7810010099.2610010010010088.8910010096.30100100100100.0024.4486.6710070.37
800100100100100100100100100100100100100100100100100.0048.8910010082.97
1600100100100100100100100100100100100100100100100100.0037.7884.4410074.07
F value2.592.642.391.66 insig.6.19
LSD23.89524.37834.072 19.498