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Egyptian Journal of Biological Pest Control

Table 3 Median survival time (ST50) of four different geographical isolates of PbGV against P. brassicae larvae

From: Synergistic effect of naturally occurring Granulosis virus isolates (PbGV) with phagostimulants against the cabbage butterfly, Pieris brassicae (L.) for its eco-friendly management

Isolate Second instar Third instar Fourth instar
ST50 (days) r2 ST50 (days) r2 ST50 (days) r2
PbGV-IND HP 5.33 (4.74–5.93) 0.98 7.43 (7.39–7.47) 0.94 11.83 (11.66–12.00) 0.92
PbGV-IND PH 4.33 (3.99–4.67) 0.99 6.63 (6.45–6.82) 0.98 9.67 (9.62–9.71) 0.98
PbGV-IND CH 4.90 (4.30–5.49) 0.99 6.80 (6.63–6.97) 0.96 10.76 (10.68–10.85) 0.96
PbGV-IND SD 2.96 (2.62–3.30) 0.99 5.90 (4.70–7.09) 0.99 7.73 (7.56–7.90) 0.99
  1. r2 is a correlation determination between time and mortality value
  2. Figures in the parenthesis represent a 95% confidence interval
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