Abstract
Infectivity of the soil mixed conidia of the fungal pathogen Metarhizium anisopliae var. major was evaluated against the termite, Odontotermes guptai Roonwal and Bose under laboratory conditions. Four concentrations, viz ., 0.8x10 7 , 1.2x10 7 , 1.6x10 7 , and 2x10<SUP7 conidia/g soil caused complete mortality of the test termite in 192, 156, 132 and 120 hours, respectively. The LC 50 value at 12 th was calculated as 9.07x10 6 conidia/g soil. The LT 50 value for the most effective dose was 86.84h. However, the test termites became less active within 48 hours of incubation.
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