Abstract
Soybean, considered as inadequate substrate for aflatoxin production, may have an alteration in its natural resistance as a result of the frequent changes it was submitted for the development of new varieties, aiming at better nutritional value, productivity, resistance and adaption to different Brazilian Regions. The potencial risks wich arose from the modifications, in addition to the high toxigenicity of tropical origin Aspergilius flavus group are reported.

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Copyright (c) 1995 Tânia Mara Megumi Shibata, Maria de Lourdes Ribeiro de Souza da Cunha, Elisa Yoko Hirooka
