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The National Agricultural Library is one of four national libraries of the United States, with locations in Beltsville, Maryland and Washington, D.C. It houses one of the world's largest and most accessible agricultural information collections and serves as the nexus for a national network of state land-grant and U.S. Department of Agriculture field libraries. In fiscal year 2011 (Oct 2010 through Sept 2011) NAL delivered more than 100 million direct customer service transactions.

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Journal Article

Journal Article

Survey of the market diseases and aflatoxin contamination of tomato ( MILL) fruits in Sokoto, northwestern Nigeria  [2004]

Muhammad, S.; Shehu, K.; Amusa, N.A.;

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A survey of the market diseases and aflatoxin contamination of tomato fruits was conducted in Sokoto in northwestern Nigeria in 2001 and 2002, respectively. Rotten tomato fruits sold at five different markets in Sokoto town, located at Central market, Kasuwar daji, Mabera, Minanata and Arkilla were heavily contaminated with moulds. Eight different fungi were found associated with the rotten tomato fruits sold in the five different markets. The associated fungi were Aspergillus niger, Aspergillus ochraceous, Aspergillus flavus, Aspergillus fumigatus, Penicillium citrinum and Helminthosporim fulvum, Curvularia lunata and Sclerotium rolfsii. A. flavus and A. niger have the highest rate of occurrence among the isolated fungi, while S. rolfsii was the least encountered. Pathogenicity tests revealed that of all the isolated fungi, A. ochraceous, A. flavus, Sclerotium rolfsii and P. citrinum were highly pathogenic with the first three leading to rapid disintegration of treated fruits in 3-5 days. A. niger was moderately pathogenic, while H. fulvum was least pathogenic on tomato fruits. Aflatoxins were detected from the sampled diseased-marketed tomato fruits and also from the marketed rotten tomato fruits after autoclaving for 15?minutes at 121°C.
From the journal
Nutrition and food science
ISSN : 0034-6659

Bibliographic information

Language:
English
Type:
Journal Article
In AGRIS since:
2014
Volume:
34
Issue:
2
Start Page:
72
End Page:
76
All titles:
"Survey of the market diseases and aflatoxin contamination of tomato ( MILL) fruits in Sokoto, northwestern Nigeria"@eng
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Bibliographic information

Language:
English
Type:
Journal Article
In AGRIS since:
2014
Volume:
34
Issue:
2
Start Page:
72
End Page:
76
All titles:
"Survey of the market diseases and aflatoxin contamination of tomato ( MILL) fruits in Sokoto, northwestern Nigeria"@eng