Synthese des biopesticides a partir des plantes
Nathalie Sandrine Tzete,Richard Chitack
Synthese des biopesticides a partir des plantes
Nathalie Sandrine Tzete,Richard Chitack
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La production des biopesticides a partir de plantes se fait par plusieurs techniques dont nous pouvons entre autre citer la maceration prolongee, la maceration simple ou encore les extractions alcooliques pour ne citer que ceux la. En utilisant les extraits d'eucalyptus nous avons eu un effet insecticide, fongicide et pour les extraits d'ortie nous avons eu avec des pourcentages considerables en champs experimental des effets insecticide, fongicide. En ce qui concerne les extraits de tabac nous avons eu outre les effets insecticide et fongicide un effet herbicide. L'etude de sa toxicite sur une population d'adventistes nous a donne une CE90 de 65,459 g/L. Le test photochimique realise nous a permis d'identifier les groupes de composes tels que les alcaloides, les polyphenols, les saponines et les flavonoides.
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