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How to effectively control powdery mildew on cucumber plants

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Two weeks ago, the last UV-C treatment was given in the cucumber trials of the project. The last trial served as a demonstration and validation, focusing on the effectiveness of UV in treating powdery mildew. Two varieties were tested, Dee Viate (DV) and Sepalin (SP), both with 50 J/m² UV (UV) and without (CC). Additionally, objects were added for Dee Viate; one where UV was combined with a preventive biological treatment (BUV) and another where a reduced amount of UV was given on darker days (VUV). Read More