Ecological control of grape powdery mildew ( Uncinula necator )   Experience About the OiDiag-System Against Powdery Mildew (Uncinula necator) in 1994 to 1997   Inter-isolate variation of virulence of Plasmopara viticola on resistant vine varieties   Organic Grape Production in California   Organic Viticulture in Greece   Organic wine production in France - a fast increase   Studies on the genetic diversity of primary and secondary infections of Plasmopara viticola using RAPD/PCR   Mating disruption against Eupoecilia ambiguella and Lobesia botrana