Home / Fertilisers & Feeds / Doff Bugs and Fungus control Doff Bugs and Fungus control 1 Litre Controls Powdery Mildew, Whitefly, Greenfly, Blackfly, Spidermite Safe for use on flowering plants Pesticide free Pests do not develop a resistance to repeat use Related products Ericaceous Compost Read more Doff Bone Meal 750g Read more Doff Concentrated Rose Feed 1Ltr Read more Lawn Feed, Weed and Moss killer Read more