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Journal of Entomology and Zoology Studies
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P-ISSN: 2349-6800, E-ISSN: 2320-7078

Journal of Entomology and Zoology Studies

2019, Vol. 7, Issue 3
Biocidal activity of Crataeva religiosa based substances against the major lepidoptera cabbage pests

Toffène Diome, Alioune Sarr, Ablaye Faye and Mbacké Sembene

Plutella xylostella (L.), Hellula undalis (F.) et Spodoptera littoralis (B.) are the main pests of cabbage (Brassica oleracea L. var capitata). Chemical control was mainly used, but it did not allow effective control of these pests. Biological control alternatives relied primarily on the use of parasitoids, predators and pathogens. The aim of this study was to test the biocidal effect of aqueous extracts of Crateava religiosa on these pests. The study was conducted on 14 cabbage lots in Niayes area, located between october 2017 and march 2018. Three formulations were used : the fresh leaves based formulation of C. religiosa with a single concentration 200g/l marked F, the dry leaves based formulation of C. religiosa with three concentrations 200g/l (C1), 150g/l (C2) and 100g/l (C3) and the soapy formulation with two solutions namely soap control marked S and soap with Crateava religiosa marked Sc. Our results showed that the fresh leaves based formulation (F) is the most effective among the three formulations tested. In addition the combined effects of Crateava and soap were also effective. However, the dry leaves-based formulation recorded the highest yield although it has the larvae little effect on. The efficiency of treatments was greater on P. xylostella and S. littoralis and H. undalis.
Pages : 1524-1528 | 561 Views | 125 Downloads


Journal of Entomology and Zoology Studies Journal of Entomology and Zoology Studies
How to cite this article:
Toffène Diome, Alioune Sarr, Ablaye Faye, Mbacké Sembene. Biocidal activity of Crataeva religiosa based substances against the major lepidoptera cabbage pests. J Entomol Zool Stud 2019;7(3):1524-1528.

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