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Showing 1 to 2 of 2 for “"Biological insecticides"”.
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Image analysis of Bacillus thuringiensis
… thuringiensis important as a producer of biological insecticides. Automatic counting was developed in a Thoma counting chamber (Webber Scientific) at 200x magnification under dark field illumination. It was found that at this magnification the problem of out of focus cells was eliminated. …