De Moor, F.C.; Car, M.; Bigalke, R.D.(Published by the Government Printer, Pretoria., 1986)
Bacillus thuringiensis Berliner var. israelensis de Barjac (Serotype H-14) (B.t.i.) at a concentration of 1,6 ppm/10 min and a toxicity of 1500 AAU/mg was tested against Simulium chutteri Lewis larvae in the Orange River ...
Car, M.; De Moor, F.C.; Bigalke, R.D.(Published by The Government Printer, Pretoria, 1984)
Two trials. to test the efficacy of Bacillus thuringiensis Berliner var. israelensis de Barjac (serotype H-14) against target simuliid and non-target aquatic invertebrates were undertaken in the Vaal River near Warrenton ...
