Factors influencing the infectivity of a Canadian isolate of Steinernema kraussei (Nematoda: Steinernematidae) at low temperature
1999
Mracek, Z. | Becvar, S. | Kindlmann, P. | Webster, J.M.
The effectiveness of Canadian isolate 76 of Steinernema kraussei, at 10 degrees C, in penetrating Galleria mellonella larvae (percentage parasitism and number of IJs developed to adult nematodes) was measured at different host densities (differing number of larvae and size of experimental arena) and for different durations of exposure. The greater the size of the inoculum of infective juvenile nematodes per unit area and the longer the duration of exposure, the greater the number of larvae that were killed and the larger the number of mature nematodes in the larval host. The infection rate (alpha) and the adjusted infection rate (beta) were determined using the modified Anderson model. This model successfully described the behavior of the S. kraussei-G. mellonella interaction.
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