TABLE 2.

Dose-mortality responses of S. frugiperda and T. ni penultimate larval instars to the budded form of wt AcMNPV or ie-2 mutant viruses following hemocoelic injection^a

Host and virus	LD50 (PFU/insect)	95% Fiducial limit		Slope (mean ± SE)	Heterogeneity factor
		Upper	Lower
S. frugiperda
wt AcMNPV	0.6 × 104	1.4 × 104	0.3 × 104	0.988 ± 0.152	0.69
vie2d(94-274)	0.4 × 105	1.0 × 105	0.1 × 105	0.781 ± 0.127	0.70
vie2d(94-173)	0.9 × 104	2.7 × 104	0.4 × 104	0.697 ± 0.102	0.59
vie2d(215-274)	0.6 × 104	1.4 × 104	0.3 × 104	0.921 ± 0.140	0.31
T. ni
wt AcMNPV	0.9 × 102	2.1 × 102	0.3 × 102	0.968 ± 0.196	0.62
vie2d(94-274)	1.0 × 102	2.6 × 102	0.3 × 102	0.862 ± 0.177	0.89
vie2d(94-173)	0.9 × 102	2.7 × 102	0.2 × 102	0.558 ± 0.106	0.73
vie2d(215-274)	3.1 × 102	9.6 × 102	0.9 × 102	0.484 ± 0.086	0.66

^aSix groups of S. frugiperda and T. ni penultimate larval instars were injected hemocoelically with various doses of BV and then observed for mortality. For other details, see Table 1, footnotes b and c.