2024, Vol. 5, Issue 1, Part A
Experimental study of the effects of an aqueous solution of Eucalyptus alba leaves on the development of Callosobruchus maculatus, a pest of bean (Cowpea) stocks in Senegal (West Africa)
Author(s): Ngagne Demba Sarr, Jimmy Gbaya and Cheikh Thiaw
Abstract: The article aims to highlight a constraining effect of the aqueous solution of Eucalyptus alba leaves on the development of Callosobruchus maculatus, the main pest of cowpea (Bean) stocks. The long-term objective is to offer an alternative to the use of pesticides by producers which, in the process, cause a lot of damage to the environment, biodiversity and man. To achieve this objective, cowpea grains infested with adults or eggs of the insect were treated on the one hand with three different concentrations (C1ea=0.2 g/ml, C2ea=0.04 g/ml and C3ea=0.02 g/ml) of aqueous solution of leaves of the plant and on the other hand with an insecticide or with water as a control. Compared to the control (water), the results revealed significantly (all P-values are less than 0.05) a high ovicide rate for each of the concentrations, especially with C1ea (69.44%) compared to adulticidal rates the highest of which was 34% and the lowest 16%. The solution also delays the development of the insect, especially at the C1ea concentration, which lengthens its average development cycle to 26 days compared to the normal, which is 24 days.Thus, due to its high levels of ovicide and adulticide, the aqueous solution proves to be an effective solution for the elimination of insect pests from cowpea stocks and is respectful of living beings, unlike chemical insecticides which present many dangers.
DOI: 10.33545/27080013.2024.v5.i1a.125
Pages: 49-53 | Views: 137 | Downloads:
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How to cite this article:
Ngagne Demba Sarr, Jimmy Gbaya, Cheikh Thiaw. Experimental study of the effects of an aqueous solution of Eucalyptus alba leaves on the development of Callosobruchus maculatus, a pest of bean (Cowpea) stocks in Senegal (West Africa). Acta Entomol Zool 2024;5(1):49-53. DOI: 10.33545/27080013.2024.v5.i1a.125
