Mehan, V K and Pong, N T and Lieu, P and Giang, N T L (1996) Assessment of Aspergillus flavus Infection and Aflatoxin Contamination in Groundnut in Southern Vietnam. Documentation. ICRISAT, International Crops Research Institute for the Semi Arid Tropoics.
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Abstract
Groundnut is an important food and cash crop in Vietnam with a high export potential. Limited studies of foods in the country have indicated that aflatoxin contamination is a problem in groundnut and maize. Vietnam considers the aflatoxin problem in groundnut to be of great importance, especially in view of Vietnam's expanding trade in this commodity, and the increasing use of groundnut cake as animal feed, Systematic surveys were conducted to assess Aspergillus flevus infection and aflatoxin contamination in groundnuts from farmers' fields and marketsloil mills in the major groundnut-growing areas of southern Vietnam. Results indicated that preharvest aflatoxin contamination is not likely to be a serious problem in adequately irrigated groundnuts. However, groundnuts grown under residual moisture or limited irrigation can be contaminated under conducive environmental conditions prevailing in the winter-spring season as evidenced by moderate to high aflatoxin levels found in some samples. Soilborne diseases such as stemlpod rot and bacterial wilt prevalent in many parts of southern Vietnam are likely to encourage A. flavus invasion of podlseed in the field. It is emphasized that the aflatoxin problem should be viewed holistically as contamination can be pre- and postharvest with many factors influencing, e,g., the crop rotation, soil moisture, soilborne pests and diseases, crop produce drying and storage conditions. A brochure on "Aflatoxin contamination problems in groundnuts and groundnut products" was prepared (in English and Vietnamese) and distributed to many farmers, traders, and extension and research workers to enhance awareness of the aflatoxin problem and management options
| Item Type: | Monograph (Documentation) |
|---|---|
| Divisions: | UNSPECIFIED |
| CRP: | UNSPECIFIED |
| Subjects: | Mandate crops > Groundnut |
| Depositing User: | Mr B K Murthy |
| Date Deposited: | 12 Jan 2014 10:12 |
| Last Modified: | 12 Jan 2014 10:12 |
| URI: | http://oar.icrisat.org/id/eprint/7040 |
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