Efficacy of Aromatic and Medicinal Plant Powders against Callosobruchus maculatus F. (Chrysomelidae: Bruchinae) 

Allali Aimad1*, Rezouki Sanae1, Touati Najat1, Eloutassi Noureddine2, Fadli Mohamed1
1Laboratory of Plant, Animal and Agro-industry Productions, Faculty of Sciences, University of Ibn Tofail (ITU), Kenitra Morocco
2Regional Center for the Trades of Education and Training (CRMEF), Fez-Morocco

Corresponding Author: [email protected]; Tel: +2120678673220
Recieved Date: 03 February 2021; Accepted Date: 15 May 2021; Published Date: 03 June
Citation: Aimad A, Sanae R, Najat T, Noureddine E, Mohamed F. Efficacy of Aromatic and Medicinal Plant Powders against Callosobruchus maculatus F. (Chrysomelidae: Bruchinae). Trop J Nat Prod Res. 2021; 5(5):838-843. http://www.doi.org/10.26538/tjnpr/v5i5.8
© 2021 Aimad et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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The cowpea bruchid Callossobruchus maculatus Fab. (Coleoptera: Chrysomelidae: Bruchinae) is the major pest of chickpea in storage. Thus, the present study aimed to evaluate the insecticidal properties of powders of 8 Moroccan aromatic plants on biological parameters of C. maculatus. The toxicity of the powders was assessed by measuring the parameters of the life cycle in a situation of non-choice under laboratory conditions (25 ± 1°C, 70–75% HR and a photoperiod of 14h (light) / 10h (darkness). The powder of Mentha pulegium has completely wiped out the population of the Callosobruchus maculatus (% IR=100%) 2%, 1% and 0.5% W/w. Similarly, Mentha pulegium powder retained seed weights, which remained significantly different (P < 0.01) from the control weight. Also, Origanum compactum, Mentha rotundifolia and Inula viscosa have significantly reduced (P < 0.01) the population of bruchids, the percentage reduction reached (% IR= 97.5, % IR = 89.32, and % IR = 27, 38% by the highest 2%). The other plants show no significant difference from the control. The results, therefore, suggest that Mentha pulegium powder has an insecticide potential similar to those of conventional insecticides and could be an alternative method against infestations and damage caused by C. maculatus in stored products.

Keywords: Callosobruchus maculatus, Plant, Biological control, Morocco.
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ISSN: 2616-0684 (Print)
ISSN: 2616-0692 (Online)
DOI: 10.26538/tjnpr
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