Hafez, S. (2011). EFFICACY OF THE ENTOMOPATHOGENIC FUNGUS Beauveria bassiana (Balsamo) AGAINST Tribolium confusum (Duval) ON STORED WHEAT FLOUR. Journal of Plant Protection and Pathology, 2(2), 203-211. doi: 10.21608/jppp.2011.84677
S. F. Hafez. "EFFICACY OF THE ENTOMOPATHOGENIC FUNGUS Beauveria bassiana (Balsamo) AGAINST Tribolium confusum (Duval) ON STORED WHEAT FLOUR". Journal of Plant Protection and Pathology, 2, 2, 2011, 203-211. doi: 10.21608/jppp.2011.84677
Hafez, S. (2011). 'EFFICACY OF THE ENTOMOPATHOGENIC FUNGUS Beauveria bassiana (Balsamo) AGAINST Tribolium confusum (Duval) ON STORED WHEAT FLOUR', Journal of Plant Protection and Pathology, 2(2), pp. 203-211. doi: 10.21608/jppp.2011.84677
Hafez, S. EFFICACY OF THE ENTOMOPATHOGENIC FUNGUS Beauveria bassiana (Balsamo) AGAINST Tribolium confusum (Duval) ON STORED WHEAT FLOUR. Journal of Plant Protection and Pathology, 2011; 2(2): 203-211. doi: 10.21608/jppp.2011.84677
EFFICACY OF THE ENTOMOPATHOGENIC FUNGUS Beauveria bassiana (Balsamo) AGAINST Tribolium confusum (Duval) ON STORED WHEAT FLOUR
The red flour beetle, Tribolium confusum (Duval) adults were exposed to Beauveria bassiana (BIOVER®) conidia in six rates w/w (weight of B. bassiana conidial powder to weight of wheat flour) and compared to untreated. The effectiveness of B. bassiana on T. confusum parental adult mortality, F1 and F2 emerged adults, duration of life cycle and weight loss of wheat flour were evaluated.Results showed that gradual positive lethal effect on T. confusumadults (mortality increased as the rates of B. bassiana increased). There was a significant difference between the untreated and the treated in 7 and 14 days after exposure (P=0.041 and P=0.0015), respectively. There was an inverse relationship between progeny production of T. confusum and B. bassiana rate. Regardless to the B. bassiana rate a significant difference of F1 and F2 emerged adults was observed between the untreated and treated wheat flour averaged 204.33 & 126.33 and 57.28 & 24.22, respectively. Prolongation of T. confusum life cycle duration increased gradually as the rate of B. bassiana increased. The treatment with highest B. bassiana rate (1.0% w/w) significantly prolonged duration of the insect life-cycle (48.67 days) with about 7 days delay of duration compared to the duration of the insect life-cycle in the untreated averaged 41.0 days. There was a significant drop (P=0.0001) of the weight loss of treated wheat flour with highest B. bassiana rate compared to the untreated. Generally, B. bassiana may applied as an alternative to chemical control method in the strategy of Integrated Pest Management (IPM) of stored product insect pests.
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