Soybean cyst nematode juveniles infected with a bacterium, Pasteuria, were found in soil samples from a field at Ames Plantation near Grand Junction, TN where soybean has been planted for the last 40 years. Pasteuria nishzawae is the only species of Pasteuria described infecting SCN under field conditions. This bacterium has been documented to naturally reduce SCN population density in Illinois (Atibalentja et al, 1998). The long term goal is to determine the feasibility of using P. nishizawae as a biological control agent to naturally manage SCN in Tennessee soybean production fields. To achieve this goal we need to determine how widely distributed the bacterium is in production fields,...
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