Liquid Copper Fungicide Pint 16oz

Product Information

Those wanting to use the fungicide must ensure that any crops treated with the product aren’t exported to EU member states to avoid exceeding Maximum Residue Level (MRL) restrictions. For best results, start spraying before the disease is visible or when it is first noticed on the plant.

The Organic Grower’s Alliance said the move will help the organic potato sector transition to 100% robust potato breeds over the next five years. Main use For control of powdery mildew, rust and blackspot on roses and rust and powdery mildews on other ornamentals (liquid concentrate and ready-to-use spray) and also rust, powdery mildews and scabs on fruit and vegetables (liquid concentrate only).

The water amount depend on the pack size chosen - for the 50g packs you will need to add each packet to 5L of water both in separate containers. As always, working with acids is always dangerous, and should be done in a proper lab with proper clothing.

I am not sure if the water would be part of the reaction as the Copper and Hydrochloric acid would be quite happy to form Copper Chloride. Clearing the leaves isn't easy, as the base of the tree has herbaceous planting, I may try putting some fine netting down to catch them. It should be applied when there is risk of fungal attack (2 days or more of damp humid conditions) or at the first signs of any fungal attack. Copper Mixture should be pre-mixed with a small quantity of water in a plastic bucket or other suitable container.AHDB Knowledge Transfer Manager Anne Stone notes that the use of blight-resistant potato varieties will be crucial to a sustainable disease-management programme in the long term. Copper sulphate and lime mixture is a traditional yet extremely effective fungicide originally developed in the Bordeaux region of France for control of downy mildew on grape vines.