THE SYNERGISM IN THE MIXTURES OF DIFFERENT FUNGICIDES WITH CYMOXANIL ON TWO KINDS OF DOWNY MILDEW Purification and Identification of a Pathogenesis-related Protein in Intercellular Fluids of Cucumber Leaves Induced by BTH Construction of cDNA Library from Cucumber Leaves Infection by Pseudoperonospora cubensis and Screening of Resistance-related Genes Construction of cDNA Library from Cucumber Leaves Infection by Pseudoperonospora cubensis and Screening of Resistance-related Genes Role of Nitric Oxide and Calcium Signaling in Oxalate-induced Resistance of Cucumber Leaves to Pseudoperonospora cubensis Effects of silicon on the efficacy of downy mildew control and the activities of defense-related enzymes in cucumber The Relation of Pathogenesis Action by Pseudoperonospora cubensis and TwoS0rt of Zymin in Cucumber Several infection factors of Pseudoperonospora cubensis Control and growth promotion of PopW to cucumber downy mildew under greenhouse and field conditions Purification and Identification of a Pathogenesis-related Protein in Intercellular Fluids of Cucumber Leaves Induced by BTH The Relation of Pathogenesis Action by Pseudoperonospora cubensis and TwoS0rt of Zymin in Cucumber CROSS-RESISTANCE IN PSEUDOPERONOSPORA CUBENSIS AND PLASMOPARA VITICOLA AGAINST DIFFERENT SYSTEMIC FUNGICIDES THE INHIBITORY EFFECTS OF COMPOST EXTRACTS ON CUCUMBER DOWNY MILDEW AND THE POSSIBLE MECHANISM The effect of high temperature regulation on the infection of Pseudoperonospora cubensis