Powdery mildew
leaf. In severe epidemics in cereals, the ears may also be infected. In pepper, the fluffy colonies occur mostly on the underside of the leaf, because [...] fluffy colonies also appear on the upper side of the leaves. Many sweet pepper cultivars react to powdery mildew infection by dropping leaves that are [...] conidiophores are the fluffy fungal growth so typical of powdery mildew. Only in pepper, infection (by Leveillula taurica ) is through the stomata and the fungus