More than you know. Health Canada lets LPs spray the following on corporate MJ: Actinovate; BIOPROTEC CAF; Bioprotec PLUS; Botanigard 22 WP; Botanigard ES; MilStop Foliar Fungicide; Rootshield(R) WP Biological Fungicide; Vegol Crop Oil; Bio-Ceres G WP; Influence LC; Prestop; Sirocco; Agrotek Ascend Vaporized Sulphur; Neudosan Commercial; Opal Insecticidal Soap; Kopa Insecticidal Soap; Rootshield HC Biological Fungicide Wettable Powder. Yummy!!!