Identification of pathogenic fungi associated with water hyacinth in selected regions in the middle and South of Iraq

الملخص EN

To identify the fungi associated with water hyacinth (Eichhornia crassipes [Mart.] Solms), an aquatic weed, which presents in Tigris river from Baghdad south ward.

Five regions from middle and south of Iraq (Al-Noumanya, Saeid Bin-Jubier, Al-Azizia, Al-Reyfay and Al-Hay) were selected for this study.

Twelve fungal species were isolated.

Alternaria alternata, Acremonium sp and Cladsporium herbarum, were the most frequently species (91.66 % ,50% and 25 %) respectively.

The fungi Alternaria alternata, Acremonium sp and Phoma eupyrena were more aggressive to water hyacinth as (91.66%,83,33%, and 75%) in pathogenicity test.