The insecticidal effect of tobacco and rosemary plant powders on black carpenter ant Componotus Sp (Hymenoptera: Formicidae)

Khalil, Srwa Masud; Kunda, Noor NadhIr

doi:10.58928/ku25.16117

	The insecticidal effect of tobacco and rosemary plant powders on black carpenter ant Componotus Sp (Hymenoptera: Formicidae)
Kirkuk University Journal for Agricultural Sciences (KUJAS)
Volume 16, Issue 1, March 2025, Pages 109-114 PDF (420.71 K)
Document Type: Research Paper
DOI: 10.58928/ku25.16117
Authors
Srwa Masud Khalil^* ¹; Noor NadhIr Kunda²
¹salahadin university
²Salahadin university, college of agricultural engineering science, Plant protection department, IRAQ.
Abstract
The study explored the effectiveness of plant-derived powders, specifically from tobacco and rosemary, in managing black carpenter ant populations. To evaluate their efficacy, three different concentrations—2.5%, 5%, and 7.5%—were tested. The results revealed that the most effective concentration for both plant powders was 2.5%. While higher concentrations, such as 5% and 7.5%, were also tested, they led to excessively high mortality rates among the ants, which, although seemingly advantageous, proved to be impractical for sustainable ant control. This is because excessively high mortality rates may disrupt ecological balance or lead to overuse of resources, reducing long-term applicability. Interestingly, tobacco powder at the 2.5% concentration stood out as the most effective treatment, demonstrating superior ant control compared to rosemary powder. This suggests that the chemical composition of tobacco contains active compounds particularly potent against black carpenter ants. These findings highlight the importance of selecting appropriate concentrations to maximize efficacy while minimizing potential ecological risks or unintended consequences. The study underscores the potential of natural, plant-based solutions as an alternative to synthetic chemical pesticides. With increasing concerns over the environmental and health impacts of conventional pesticides, plant powders such as those derived from tobacco offer a promising, eco-friendly option for pest management. Additionally, their natural origin may reduce the likelihood of pests developing resistance, a common issue with synthetic chemicals. Overall, the research demonstrates that tobacco powder, particularly at a 2.5% concentration, can serve as an effective and sustainable tool for controlling black carpenter ants. Further studies could investigate the long-term impacts, application methods, and the potential for integrating such plant-based solutions into broader pest management strategies. These insights pave the way for developing environmentally conscious approaches to pest control.
Keywords
Black carpenter ant; control agents; plant powders; Tobacco; Rosemary; concentrations

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