Possibilité de lutte biologique par l’utilisation des microorganismes telluriques contre Fusarium oxysporum f. sp. albedinis dans la région de Metlili (Wilaya de Ghardaïa)

Abstract

Fusarium oxysporum f. sp. albedinis a soil fungus agent of deadly tracheomycosis of date palm. This study focused on tests of antagonistic effects of terrestrial microorganisms on F.o.a isolated from palm infected rachis of two cultivars (Deglet Noor and Azerza). Altogether 92 microorganisms were isolated from soil of nine farms on five palms groves in the of Metlili, only four bacterial strains had an antagonistic effect against the Fusarium: three belonging to the genera Micrococcus sp; Staphylococcus sp, and the fourth belonging to Pseudomonas sp.