Survey of the Fungi that Infect Imported Carrot (Daucus Carota L.) in the Areas of Baghdad

moayad salh hussin

Abstract


An extensive survey of fungi associated with post-harvest carrot degradation in different parts of the Baghdad market. samples were collected from three different regions of Adhamiya, Kadhimiya and Sadiyah . Five fungal species, such as , Aspergillus nige, Altinaria radicina, Sclerotinia sclerotorum, Geotrichum candidum and Rhizoctonia carotae, which isolated from the decayed samples. In this context, Altinaria radicina showed the highest frequency of 23.3%. Both Sclerotinia sclerotiorum, Aspergillus nige, Geotrichum candidum at 20% While Rhizoctonia carotae showed the lower frequency at 16.7%. Pathogenic exam showed that all isolated fungi were pathogenic to host roots Storage. However, Aspergillus nige was found to be more pathogenic to carrots resulting in a rapid disintegration of infected roots by 90%during the incubation period. While Alternaria radicina, Sclerotinia sclerotiorum, was 80% followed by Geotrichum candidum 75% and Rhizoctonia carotae less than 70% .

Keywords


post-harvest, carrot , Potato Dextrose Agar, pathogenicity, mycotoxins

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DOI: http://dx.doi.org/10.23851/mjs.v29i4.428

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