highly significantp < 0.001
bassiana Powder Formulations on Larval Mortality Highly significant differences were observed for the main effects of doses ( F = 333.31; p < 178 0.001; df = 3 ) and time ( F = 637.24; p < 0.001; df = 6 ), and the interaction effects of doses and time ( F = 4.91; p < 0.001; df = 18 ) on larval mortality.