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Table 2 Phenoloxidase units of injected nematode, Ringer’s solution as compared to those of non-injected insects at different time intervals

From: Effect of entomopathogenic nematode, Steinernema feltiae, on survival and plasma phenoloxidase activity of Helicoverpa armigera (Hb) (Lepidoptera: Noctuidae) in laboratory conditions

Time intervals Nematode-injected insects Ringer’s solution injected insects Non-injected insects
15 min pi 0.093 ± 0.002g 0.127 ± 0.001cd 0.107 ± 0.001a
30 min pi 0.198 ± 0.013d 0.110 ± 0.008ef 0.105 ± 0.001a
1 h pi 0.123 ± 0.001e 0.128 ± 0.005cd 0.105 ± 0.001a
1.5 h pi 0.067 ± 0.002h 0.146 ± 0.013b 0.107 ± 0.001a
2 h pi 0.105 ± 0.006fg 0.095 ± 0.006fg 0.105 ± 0.000a
4 h pi 0.119 ± 0.012ef 0.084 ± 0.006g 0.107 ± 0.001a
6 h pi 0.119 ± 0.001ef 0.138 ± 0.003bc 0.104 ± 0.001a
8 h pi 0.271 ± 0.026c 0.180 ± 0.000a 0.106 ± 0.001a
10 h pi 0.299 ± 0.012b 0.087 ± 0.009g 0.104 ± 0.003a
16 h pi 0.340 ± 0.009a 0.093 ± 0.003g 0.107 ± 0.000a
24 h pi 0.298 ± 0.006b 0.120 ± 0.002de 0.103 ± 0.001a
  1. In each column, similar lowercase letters in the same column are not significant (P < 0.05)