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Table 2 Probit analysis of mortality rates of Spodoptera littoralis larval instars (L2:L5) on the 5th day post-Beauveria bassiana (Y-F_ITS1) treatments

From: Pathogenicity induced by indigenous Beauveria bassiana isolate in different life stages of the cotton leafworm, Spodoptera littoralis (Boisduval) (Lepidoptera: Noctuidae) under laboratory conditions

Larval instars LC Spores/ml Lower limit Upper limit Slope
L2 LC50 2.5 × 105 4.7 × 103 4.5 × 106 0.4173
LC90 3.0 × 108 5.1 × 107 9.5 × 108
L3 LC50 6.2 × 107 1.0 × 107 3.9 × 109 0.3247
LC90 5.5 × 1011 1.4 × 1011 8.5 × 1012
L4 LC50 1.7 × 108 1.0 × 105 2.9 × 109 0.1986
LC90 5.0 × 1010 3.3 × 1012 7.0 × 1012
L5 LC50 1.5 × 1013 4.7 × 109 8.4 × 1013 0.2955
LC90 3.2 × 1013 1.4. × 1011 9.0 × 1016