Repellent Activity of Extracts of Black Pepper, Black Seeds, Garlic and White Cumin Against Red Flour Beetle


  • Batool Syeda Huma Kinnaird College for Women, Lahore, Pakistan.
  • Butt Saba Forman Christian College (A Chartered University), Lahore, Pakistan.


insect repellency, plants extracts, red flour beetle


Many insects are pests of standing crops and stored grains that cause lot of damage and economic losses every year. Commonly these are controlled by synthetic compounds that are unsafe for humans and environment. Certain parts of plants are used for their repellent activity against insect pests of stored grains. In this context, the present study was planned to investigate the repellent activity of extracts of black pepper, black seeds, garlic and white cumin against red flour beetle that cause a huge damage to stored food crops. Repellent activity was tested using multiple concentrations of these extracts. Results of the present study concluded that 2 plant extracts have shown effective repellent activity against red flour beetle. The most effective extract was garlic followed by black pepper in various concentrations. Both were more effective at 1.5 % concentration. It is concluded in this study that these plants are natural sources of repellent compounds and hence are a potential source of biological insect repellents.

Author Biography

Butt Saba, Forman Christian College (A Chartered University), Lahore, Pakistan.

Department of Biological Sciences Assistant Professor


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How to Cite

Batool Syeda Huma, & Butt Saba. (2021). Repellent Activity of Extracts of Black Pepper, Black Seeds, Garlic and White Cumin Against Red Flour Beetle. American Scientific Research Journal for Engineering, Technology, and Sciences, 84(1), 153–161. Retrieved from