GARIBALDI, Angelo, Giovanna GILARDI, and Maria Lodovica GULLINO. 2011. “Effect of Potassium Silicate and Electrical Conductivity in Reducing Powdery Mildew of Hydroponically Grown Tomato”. Phytopathologia Mediterranea 50 (2):192-202. https://doi.org/10.14601/Phytopathol_Mediterr-8689.