volume 63, issue 6, P547-551 2006
DOI: 10.1590/s0103-90162006000600006
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Abstract: ABSTRACT: For many years, the gray leaf spot disease (GLS) caused by the fungus Cercospora zeaemaydis Tehon & Daniels, was not considered an important pathogen of maize (Zea mays, L.) in Brazil. However, the recent adoption of agronomical practices such as no-tillage and cultivation under central pivot irrigation systems increased the incidence and severity to the extent that GLS is now one of the most important diseases of maize. Isolates of C. zeae-maydis can be distinguished by two genetic groups (I and II…

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