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

Egyptian Journal of Biological Pest Control

Table 1 Median lethal concentration (LC₅₀) of different isolates of PbGV against P. brassicae

Isolate	Second instar		Third instar		Fourth instar
Isolate	LC₅₀ (OBs/larva)	r²	LC₅₀ (OBs/larva)	r²	LC₅₀ (OBs/larva)	r²
PbGV-IND HP	6.61 × 10³ (2497.727–14,892.99)	0.97	1.22 × 10⁴ (5938.32–23,052.34)	0.95	5.55 × 10⁴ (21,929.00–74,815.587)	0.92
PbGV-IND PH	4.62 × 10³ (2165.66–8799.336)	0.96	1.03 × 10⁴ (5096.23–19,158.08)	0.96	4.80 × 10⁴ (21,034.78–67,058.06)	0.94
PbGV-IND CH	4.86 × 10³ (2314.049–9156.770)	0.99	1.19 × 10⁴ (6387.88–20,937.88)	0.98	5.10 × 10⁴ (13,658.26–65,891.21)	0.94
PbGV-IND SD	1.95 × 10³ (917.61–3644.59)	0.98	6.31 × 10³ (3560.82–10,575.99)	0.95	1.09 × 10⁴ (6210.57–18,527.88)	0.94