Studies on the selection and appropriate conditions to the growth of the bacteria, B. thuringiensis 2 isolate that has made a preliminary selection that includes the production of toxic chemicals used to eliminate mealybug wilt disease which is a vector of pineapple by doing experiments find finding trials inoculum source,% C and N source experiments find finding pH in testing food pathogenic bacteria which cause LB B. thuringiensis growth by measurement of Biomass by the way passes through the filter, filters and creating a Toxin by Bradford finds that the appropriate conditions to the growth of the sugar in the food, BT001 LB 20g BT018 in sucrose and food at pH8.The sugar sucrose 30g LB at pH8 when it optimal conditions on the growth and then put to the test against the mealybug from trials. The bacterium B. thuringiensis can control aphids BT001.
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