Salmonella contamination of vegetables irrigated with untreated wastewater

The irrigation of vegetables with raw wastewater has been practised in El Azzouzia, the wastewater-spreading field of Marrakesh city (Morocco), for many years. This water was found to be contaminated with different serogroups of Salmonella. B and C were the most frequently isolated groups. These sam...

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Bibliographic Details
Published in:World journal of microbiology & biotechnology 2001-03, Vol.17 (2), p.207-209
Main Authors: MELLOUL, A. Ait, HASSANI, L, RAFOUK, L
Format: Article
Language:English
Subjects:
Agricultural and forest climatology and meteorology. Irrigation. Drainage
Agronomy. Soil science and plant productions
Biological and medical sciences
Effluents
Food contamination
Fundamental and applied biological sciences. Psychology
General agronomy. Plant production
Irrigation
Irrigation. Drainage
Raw wastewater
Salmonella
Soil surfaces
Tomatoes
Vegetables
Water treatment
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Summary:The irrigation of vegetables with raw wastewater has been practised in El Azzouzia, the wastewater-spreading field of Marrakesh city (Morocco), for many years. This water was found to be contaminated with different serogroups of Salmonella. B and C were the most frequently isolated groups. These same serogroups were detected on vegetables irrigated with these wastewater effluents. The crops whose edible product develops on the ground surface, such as lettuce and parsley, were more contaminated than those which grow, above the soil surface, like tomatoes and pimento. Except on lettuce, Salmonella on crops did not persist beyond 3 days after irrigation.[PUBLICATION ABSTRACT]
ISSN:0959-3993
1573-0972
DOI:10.1023/A:1016686501953