Exploration of indigenous strains of the green muscardine fungus from soils and their pathogenicity against the tobacco caterpillar, Spodoptera litura (Fabricius) (Lepidoptera: Noctuidae)

Egyptian Journal of Biological Pest Control

Table 3 Time mortality response of S. litura to different fungal isolates of M. anisopliae

Fungal isolates	Heterogeneity (χ²)	Regression equation	LT₅₀ (hpi)* at 1 × 10⁸ spores ml⁻¹	Fiducial limit
M-1	20.16	y = 1.432x + 0.942	209.47	190.99–236.35
M-2	14.84	y = 1.726x + 0.442	198.92	180.69–218.99
M-3	15.85	y = 1.741x + 0.415	195.29	177.81–214.48
M-4	22.49	y = 1.499x + 0.825	196.50	178.37–216.48
M-5	16.05	y = 1.773x + 0.465	186.44	169.94–204.54
M-6	23.80	y = 1.513x + 0.802	198.51	180.14–218.77
M-7	15.81	y = 1.789x + 0.36	189.34	172.47–207.86
M-8	14.69	y = 1.667x + 0.563	201.41	182.15–222.70