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The study was conducted on a group of adults of Pentodon bispinifrons Reitter, as it was treated by Nogos at three concentrations (5, 10, 15) ppm and Beauveria bassiana fungus under the influence of three different temperatures: 10, 20 and 30 °C. The results showed that the insect killing rates remained low at the three temperatures when using the...
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... Reviews in Pharmacy Vol 11, Issue 11, Nov-Dec 2020 The statistical analysis of data showed that there were high significant differences between the killing ratios of Nogos and the fungicide, as well as between the pesticide and the control group. The temperature is a determining factor in the insect's biological control process, as the increase in temperature to 30 °C led to increase the killing rate of the fungal extract as it reached 80% after six days of treatment (Figure 4), while it was not the same for Nogos, as the killing rates did not rise significantly at a temperature of 30 °C (Figure 3), which indicates that treatment with Nogos is not significantly affected by temperature. Therefore, control can be carried out by using Nogos at any time of the year, while the B. bassiana fungus cannot be used in biocontrol at low temperatures, because the killing rate decrease to the lowest level when temperatures drop (Norris et al. (1999). ...
