Synergistic Effect of Natural Plants Products as Essential Oils Against Stored Grain Insect Pests Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae)

Research Article

**Synergistic Effect of Natural Plants Products as Essential Oils Against Stored Grain Insect Pests Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae)**

Background and Objective: Due to the uncontrolled use of synthetic pesticides for the management of stored grain insect pests, in the present investigation, three essential oils have been evaluated for their insecticidal activities in binary combination against red flour beetle Tribolium castaneum. Material and Methods: For repellency and toxicity assay, the different combinations of essential oils were prepared in acetone and applied on filter paper and tested their repellent and toxicity activity against T. castaneum. Results: Highest repellent activity was observed by a binary combination of A. marmelos and M. arvensis are 8.6 at 0.40% concentration (χ² value = 3.263) (p<0.05). In binary combination, the essential oils of A. marmelos and M. arvensis are more effective against red flour beetles having minimum LC₅₀ value against adults was 13.431 μL cm^–3 at 48 hrs (F = 31.835) (p<0.001), respectively compared to other essential oils combination. The percent grains infection was reduced 85.69, 67.86 and 76.88 at 60% of the sub-lethal concentration of 48 hrs LC₅₀. Conclusion: From the present study it can be concluded that essential oils have a more efficient insecticidal tool against T. castaneum as a fumigant in binary combination.

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Bhuwan Bhaskar Mishra, 2022. Synergistic Effect of Natural Plants Products as Essential Oils Against Stored Grain Insect Pests Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae). International Journal of Agricultural Research, 17: 116-121.

DOI: 10.3923/ijar.2022.116.121

URL: https://scialert.net/abstract/?doi=ijar.2022.116.121

International Journal of Agricultural Research

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Bhuwan Bhaskar Mishra

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Research Article

**Synergistic Effect of Natural Plants Products as Essential Oils Against Stored Grain Insect Pests Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae)**

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