Ecological Characteristic of Peronosclerospora maydis in Java, Indonesia

Peronosclerospora maydis ( java downy mildew) is very detrimental disease of corn in Indonesia. Ecological character of this disease is limited during last four decades. The prevalence and morphological character of P. maydis at different geographic and climate were studied. A total of 228 samples to determine prevalence of P. maydis were surveyed in this study from five provinces of Java. Disease incidence and ecological data for each location were recorded