Some chemical additives to increase the activity spectrum of bacillus thuringiensis var. kurstaki [dipel 2x] against the rice moth corcyra cephalonica

ABSTRACT

Some chemical additives have been adopted to increase the potency of D-endotoxin of Bacillus thuringiensis var. Kurstaki [Dipel 2x] against the rice moth Corcyra cephalonica. Procedures were based on the incorporation of some selected essentially non toxic and low cost compounds with different modes of action with the endotoxin to increase its activity. Among the compounds tested were some inorganic salts, nitrogenous compounds, protein solubilizing agents, sugars, some plant powders and some plant extracts